By state
Historic places in Maine
1,537 Maine listings on the National Register of Historic Places, each mapped and dated.
1973
"The Rim" and Site of Fort Foster — East Machias, Washington County, Maine
→2009(Former) Maine Central Railroad Depot — Brooks, Waldo County, Maine
→1983Abbe, Robert, Museum of Stone Antiquities — Bar Harbor, Hancock County, Maine
→1978Abbott Memorial Library — Dexter, Penobscot County, Maine
→2006Abyssinian Meeting House — Portland, Cumberland County, Maine
→1973Academy Building — Gorham, Cumberland County, Maine
→1977Acadian Historic Buildings — Van Buren, Aroostook County, Maine
→1973Acadian Landing Site — Madawaska, Aroostook County, Maine
→1974Adams-Pickering Block — Bangor, Penobscot County, Maine
→1986Adams, D. V., Co.--Bussell and Weston — Augusta, Kennebec County, Maine
→2003Agassiz Bedrock Outcrop — Ellsworth, Hancock County, Maine
→2007Albany Town House — Albany Township, Oxford County, Maine
→1975Alden, Ebenezer, House — Union, Knox County, Maine
→1983Alfred Historic District — Alfred, York County, Maine
→2001Alfred Shaker Historic District — Alfred, York County, Maine
→1977All Soul's Chapel — Mechanic Falls, Androscoggin County, Maine
→1992All Souls Congregational Church — Bangor, Penobscot County, Maine
→2008Allan, Harold, Schoolhouse — Clifton, Penobscot County, Maine
→1978Alls Souls Church — Augusta, Kennebec County, Maine
→1970Alna Meetinghouse — Alna Center, Lincoln County, Maine
→1975Alna School — Alna, Lincoln County, Maine
→2023Alpha Tau Omega House — Orono, Penobscot County, Maine
→1986Amazeen House — Houlton, Aroostook County, Maine
→1973Ambajejus Boom House — Millinocket, Piscataquis County, Maine
→1982American Boathouse — Camden, Knox County, Maine
→1991AMERICAN EAGLE (schooner) ★ NHL — Rockland, Knox County, Maine
→2012American Woolen Company Foxcroft Mill — Dover-Foxcroft, Piscataquis County, Maine
→2001Anderson Bros. Store — Stockholm, Aroostook County, Maine
→2001Andover Hook and Ladder Company Building — Andover, Oxford County, Maine
→1981Andover Public Library — Andover, Oxford County, Maine
→2005Andrews, Lt. Robert, House — Bridgton, Cumberland County, Maine
→1983Androscoggin County Courthouse and Jail — Auburn, Androscoggin County, Maine
→2001Androscoggin Mill Block — Lewiston, Androscoggin County, Maine
→2004Androscoggin Swinging Bridge — Brunswick, Cumberland County, Maine
→2012Androscoggin Yacht Club — Wayne, Kennebec County, Maine
→2004Anson Grange #88 — North Anson, Somerset County, Maine
→2003Arch Bridge — Bristol, Lincoln County, Maine
→1987Archibald--Adams House — Cherryfield, Washington County, Maine
→1969Arnold Trail to Quebec — Coburn Gore, Franklin County, Maine
→1990Aroostook County Courthouse and Jail — Houlton, Aroostook County, Maine
→1972Art Gallery — Gorham, Cumberland County, Maine
→1983Atkinson Building — Lewiston, Androscoggin County, Maine
→2014Auburn Commercial Historic District — Auburn, Androscoggin County, Maine
→1984Auburn Public Library — Auburn, Androscoggin County, Maine
→1985Auburn-Harpswell Association Historic District — South Harpswell, Cumberland County, Maine
→1997Augusta City Hall, Former — Augusta, Kennebec County, Maine
→1988Auld--McCobb House — Boothbay Harbor, Lincoln County, Maine
→1979Austin-Hennessey Homestead — Wells, York County, Maine
→2002Ayer, Caleb R., House — Cornish, York County, Maine
→2023Babb's Bridge — Gorham, Cumberland County, Maine
→1989Back Cove — Portland, Cumberland County, Maine
→2009BAGHEERA (schooner) — Portland, Cumberland County, Maine
→1996Bagley--Bliss House — South Durham, Androscoggin County, Maine
→1988Bailey Farm Windmill — North Anson, Somerset County, Maine
→1975Bailey Island Cobwork Bridge — Harpswell, Cumberland County, Maine
→2008Bailey Island Library Hall — Harpswell, Cumberland County, Maine
→1985Bailey, Charles M., Library — Winthrop, Kennebec County, Maine
→1984Bailey, Moses, House — Winthrop Center, Kennebec County, Maine
→1988Baker Island Light Station — Islesford, Hancock County, Maine
→1975Bangor Children's Home — Bangor, Penobscot County, Maine
→1988Bangor Fire Engine House No. 6 — Bangor, Penobscot County, Maine
→1997Bangor Hose House No. 5 — Bangor, Penobscot County, Maine
→1972Bangor House — Bangor, Penobscot County, Maine
→1987Bangor Mental Health Institute — Bangor, Penobscot County, Maine
→1974Bangor Standpipe — Bangor, Penobscot County, Maine
→1977Bangor Theological Seminary Historic District — Bangor, Penobscot County, Maine
→1982Bangs, Algernon, House — Augusta, Kennebec County, Maine
→1999Bank Block — Dexter, Penobscot County, Maine
→1979Barker Mill — Auburn, Androscoggin County, Maine
→2011Barn on Lot 8, Range G — Freeman Township, Franklin County, Maine
→1980Barncastle — Blue Hill, Hancock County, Maine
→1976Barrell Homestead — York Corner, York County, Maine
→1982Barrows-Steadman Homestead — Fryeburg, Oxford County, Maine
→1988Bass Boarding House — Wilton, Franklin County, Maine
→1988Bass Harbor Head Light Station — Bass Harbor, Hancock County, Maine
→2009Bass Harbor Memorial Library — Tremont, Hancock County, Maine
→2010Bates Mill Historic District — Lewiston, Androscoggin County, Maine
→2002Bates, Asa, Memorial Chapel — Fairfield Center, Somerset County, Maine
→2005Battery Steele — Portland, Cumberland County, Maine
→1999Battleship Maine Monument — Bangor, Penobscot County, Maine
→1979Baxter House — Gorham, Cumberland County, Maine
→1985Baxter Summer Home — Falmouth, Cumberland County, Maine
→1996Bayside Historic District — Bayside, Waldo County, Maine
→1988Bear Island Light Station — Northeast Harbor, Hancock County, Maine
→2017Beck, Klir, House — Mt. Vernon, Kennebec County, Maine
→1974Beckett's Castle — Cape Elizabeth, Cumberland County, Maine
→2003Beechnut Hut Historic District — Rockport, Knox County, Maine
→1980Belfast Commercial Historic District — Belfast, Waldo County, Maine
→2023Belfast Historic District — Belfast, Waldo County, Maine
→1993Belfast Historic District (Boundary Increase) — Belfast, Waldo County, Maine
→1995Belfast Historic District (Boundary Increase) — Belfast, Waldo County, Maine
→1973Belfast National Bank — Belfast, Waldo County, Maine
→2003Bell Hill Meetinghouse — Otisfield, Oxford County, Maine
→2003Bell Hill School — Otisfiled, Oxford County, Maine
→1970Bennett Bridge — Wilson Mills, Oxford County, Maine
→1996Bennett, Nathaniel and Elizabeth, House — Norway, Oxford County, Maine
→2004Benton Grange #458 — Benton, Kennebec County, Maine
→2015Bergin Block — Lewiston, Androscoggin County, Maine
→1978Berwick Academy — South Berwick, York County, Maine
→1996Berwick Academy Historic District (Boundary Increase) — South Berwick, York County, Maine
→2012Berwick High School — Berwick, York County, Maine
→1982Best, Charles, House — West Pembroke, Washington County, Maine
→2001Beth Eden Chapel — Brooklin, Hancock County, Maine
→1973Biddeford City Hall — Biddeford, York County, Maine
→2009Biddeford Main Street Historic District — Biddeford, York County, Maine
→2022Biddeford--Saco Mills Historic District — Biddeford, York County, Maine
→1988Bigelow--Page House — Skowhegan, Somerset County, Maine
→1976Bingham Free Meetinghouse — Bingham, Somerset County, Maine
→1996Birch Island House — Holeb, Somerset County, Maine
→1982Black Horse Tavern — Belfast, Waldo County, Maine
→1969Black Mansion — Ellsworth, Hancock County, Maine
→2020BLACKJACK (friendship sloop) — Rockland, Knox County, Maine
→2007Blackwoods Campground — Bar Harbor, Hancock County, Maine
→1966Blaine, James G., House ★ NHL — Augusta, Kennebec County, Maine
→1972Blake House — Bangor, Penobscot County, Maine
→1979Blanchard, Capt. S. C., House — Yarmouth, Cumberland County, Maine
→1980Blanchard, Ora, House — Stratton, Franklin County, Maine
→1982Blazo-Leavitt House — Parsonsfield, York County, Maine
→1982Bloomfield Academy — Skowhegan, Somerset County, Maine
→1989Blossom House — Monmouth, Kennebec County, Maine
→1980Blue Hill Historic District — Blue Hill, Hancock County, Maine
→2019Boarding House and Storehouse at Churchill Depot — T10 R12 WELS, Piscataquis County, Maine
→1988Bodwell Water Power Company Plant — Milford, Penobscot County, Maine
→2014Bond Street Historic District — Augusta, Kennebec County, Maine
→1975Boody, Henry, House — Brunswick, Cumberland County, Maine
→1988Boon Island Light Station — York, York County, Maine
→1977Boothbay Harbor Memorial Library — Boothbay Harbor, Lincoln County, Maine
→1980Bourne Mansion — Kennebunk, York County, Maine
→1980BOWDOIN (schooner) ★ NHL — Castine, Hancock County, Maine
→1971Bowman-Carney House — Dresden, Lincoln County, Maine
→2002Boynton High School, Former — Eastport, Washington County, Maine
→1984Boynton Street Historic District — Eastport, Washington County, Maine
→2003Bradford Farm Historic District — Patten, Penobscot County, Maine
→2015Bradford House — Lewiston, Androscoggin County, Maine
→2007Brave Boat Harbor Farm — York, York County, Maine
→1979Bray House — Kittery Point, York County, Maine
→2002Breakwater, The — Rockwood, Piscataquis County, Maine
→1983Breckinridge, Isabella, House — York, York County, Maine
→2000Bremen Town Hall, Former — Medomak, Lincoln County, Maine
→2014Brewer High School — Brewer, Penobscot County, Maine
→1983Brewer, Henrietta, House — Robbinston, Washington County, Maine
→1983Brewer, John N.M., House — Robbinston, Washington County, Maine
→1975Brewster, Royal, House — Buxton, York County, Maine
→1977Brick School — Winslow, Kennebec County, Maine
→2017Brick School — Paris, Oxford County, Maine
→1980Brick School House — Aurora, Hancock County, Maine
→1982Brickett Place — Stow, Oxford County, Maine
→1987Bridge Academy — Dresden, Lincoln County, Maine
→1990Bridgewater Town Hall and Jail — Bridgewater, Aroostook County, Maine
→1986Briggs, William, Homestead — Auburn, Androscoggin County, Maine
→1977Broad Street Historic District — Bethel, Oxford County, Maine
→1990Broad Street Historic District (Boundary Increase) — Bethel, Oxford County, Maine
→1973Broadway Historic District — Bangor, Penobscot County, Maine
→1990Brooklin IOOF Hall — Brooklin, Hancock County, Maine
→1985Brown House — Brownville, Piscataquis County, Maine
→1975Brown Memorial Library — Clinton, Kennebec County, Maine
→1997Brown--Pilsbury Double House — Bucksport, Hancock County, Maine
→1974Brown, C. A., Cottage — Cape Elizabeth, Cumberland County, Maine
→1980Brown, Harrison B., House — Portland, Cumberland County, Maine
→1978Brown, J. B., Memorial Block — Portland, Cumberland County, Maine
→1983Browns Head Light Station — Vinalhaven, Knox County, Maine
→2021Brunswick Square — Gardiner, Kennebec County, Maine
→1986Bryant, Charles G., Double House — Bangor, Penobscot County, Maine
→1987Buck Memorial Library — Bucksport, Hancock County, Maine
→1975Bucknam House — Columbia Falls, Washington County, Maine
→1978Bucknam, Samuel, House — Columbia Falls, Washington County, Maine
→1975Bucksport Railroad Station — Bucksport, Hancock County, Maine
→2005Building at 84-96 Hammond Street — Bangor, Penobscot County, Maine
→1978Burgess House — Sebec, Piscataquis County, Maine
→2015Burgess, Walter and Eva, Farm — Macomber Corner (Dover-Foxcroft), Piscataquis County, Maine
→1983Burnell Tavern — West Baldwin, Cumberland County, Maine
→1973Burnham Tavern — Machias, Washington County, Maine
→1988Burnt Coat Harbor Light Station — Swans Island, Hancock County, Maine
→1977Burnt Island Light Station — Boothbay Harbor, Lincoln County, Maine
→1976Bussey, Louis I., School — Dixmont, Penobscot County, Maine
→1974Butler, A. B., House — Portland, Cumberland County, Maine
→1996Butterfield--Sampson House — Bowdoinham, Sagadahoc County, Maine
→1976Buxton Powder House — Buxton Center, York County, Maine
→2001Calais Free Library — Calais, Washington County, Maine
→1978Calais Historic District — Calais, Washington County, Maine
→2012Calais Observatory — Calais, Washington County, Maine
→1994Calais Residential Historic District — Calais, Washington County, Maine
→2013Camden Amphitheatre and Public Library ★ NHL — Camden, Knox County, Maine
→2007Camden Great Fire Historic District — Camden, Knox County, Maine
→1986Camden Opera House Block — Camden, Knox County, Maine
→1980Camden Yacht Club — Camden, Knox County, Maine
→2019Camp Cinnamon — Norway, Oxford County, Maine
→1979Camp Hammond — Yarmouth, Cumberland County, Maine
→1982Campbell, Col, Samuel, House — Cherryfield, Washington County, Maine
→1984Campbell, David W., House — Cherryfield, Washington County, Maine
→1982Campbell, Frank, House — Cherryfield, Washington County, Maine
→1977Campbell, Gen. Alexander, House — Cherryfield, Washington County, Maine
→2017Canadian Pacific Railway Depot, Greenville Junction, Maine — Moosehead Junction Township, Piscataquis County, Maine
→2009Cape Arundel Golf Club — Kennebunkport, York County, Maine
→1984Cape Arundel Summer Colony Historic District — Kennebunkport, York County, Maine
→1985Cape Neddick Light Station — York, York County, Maine
→2001Capitol Complex Historic District — Augusta, Kennebec County, Maine
→1989Capitol Park — Augusta, Kennebec County, Maine
→2002Carleton, Moses, House — Alna, Lincoln County, Maine
→1975Carleton, Robert, House — Sangerville, Piscataquis County, Maine
→1990Carr, Robert P., House — Bowdoinham, Sagadahoc County, Maine
→2000Carrabasset Inn — North Anson, Somerset County, Maine
→1979Carriage Paths, Bridges and Gatehouses — Acadia National Park, Hancock County, Maine
→1993Carver Memorial Library — Searsport, Waldo County, Maine
→1987Cary Library — Houlton, Aroostook County, Maine
→1973Castine Historic District — Castine, Hancock County, Maine
→2005Caswell Public Library (Former) — Harrison, Cumberland County, Maine
→1970Cate House — Castine, Hancock County, Maine
→2001Cathance Water Tower — Topsham, Sagadahoc County, Maine
→1985Cathedral of the Immaculate Conception — Portland, Cumberland County, Maine
→1997Center Meeting House and Common — Oxford, Oxford County, Maine
→2021Center Theater — Dover-Foxcroft, Piscataquis County, Maine
→2022Central Church (Congregational) — Bath, Sagadahoc County, Maine
→1976Central Congregational Church — Eastport, Washington County, Maine
→1988Central Parish Church — Yarmouth, Cumberland County, Maine
→1975Centre Street Congregational Church — Machias, Washington County, Maine
→2007Chaloner House — Lubec, Washington County, Maine
→1985Chandler Store — Belgrade, Kennebec County, Maine
→1989Chandler--Parsons Blacksmith Shop — Dover-Foxcroft, Piscataquis County, Maine
→1970Chapman-Hall House — Damariscotta, Lincoln County, Maine
→1980Chapman, Leonard Bond, House — Portland, Cumberland County, Maine
→2005Charlotte Pound — Charlotte, Washington County, Maine
→1987Chase, Capt. Josiah E., Octagon House — East Limington, York County, Maine
→1978Chase, Hezekiah, House — Unity, Waldo County, Maine
→1979Chase, Squire, House — Fryeburg, Oxford County, Maine
→1982Cherryfield Academy — Cherryfield, Washington County, Maine
→1990Cherryfield Historic District — Cherryfield, Washington County, Maine
→1991Chestnut Street Historic District — Camden, Knox County, Maine
→1977Chestnut Street Methodist Church — Portland, Cumberland County, Maine
→1973Chesuncook Village — Chesuncook, Piscataquis County, Maine
→2012Children's Hospital — Portland, Cumberland County, Maine
→2007Chimney Farm — Nobleboro, Lincoln County, Maine
→1977China Village Historic District — China, Kennebec County, Maine
→1992Christ Church — Dark Harbor, Waldo County, Maine
→1973Christ Episcopal Church — Gardiner, Kennebec County, Maine
→1999Church of Our Father — Hulls Cove, Hancock County, Maine
→1991Church of the Advent — Limestone, Aroostook County, Maine
→1986Church of the New Jerusalem — Fryeburg, Oxford County, Maine
→1978Church Street Historic District — Belfast, Waldo County, Maine
→1994Churchill Bridge — Buckfield, Oxford County, Maine
→1978Clapp, Charles Q., Block — Portland, Cumberland County, Maine
→1972Clapp, Charles Q., House — Portland, Cumberland County, Maine
→1978Claremont Hotel — Southwest Harbor, Hancock County, Maine
→2004Clary Mill — Whitefield, Lincoln County, Maine
→1989Clase, Nicholas P., House — New Sweden, Aroostook County, Maine
→2000Cleaveland, Parker, House ★ NHL — Brunswick, Cumberland County, Maine
→1988Cleaves, Benjamin, House — Bridgton, Cumberland County, Maine
→1999Cleftstone — Bar Harbor, Hancock County, Maine
→1987Cleveland, Edward L., House — Houlton, Aroostook County, Maine
→2010Clifford, George F., House — Cornish, York County, Maine
→1987Clifford, John D., House — Lewiston, Androscoggin County, Maine
→2013Clifford, Nathan, School — Portland, Cumberland County, Maine
→2008Cliffwood Hall — Clifton, Penobscot County, Maine
→1982Clock Farm — Kennebunkport, York County, Maine
→2013Clough Meeting House — Lewiston, Androscoggin County, Maine
→1984Cobbossee Lighthouse — Winthrop, Kennebec County, Maine
→1983Cobe Estate — Northport, Waldo County, Maine
→1974Coburn, Gov. Abner, House — Skowhegan, Somerset County, Maine
→2002Coburn, John G. — Carthage, Franklin County, Maine
→1987Coffin, Stephen, House — Damariscotta, Lincoln County, Maine
→2004Colburn House State Historic Site — Pittston, Kennebec County, Maine
→2001Colburn School — Pittston, Kennebec County, Maine
→1973Colburn, William, House — Orono, Penobscot County, Maine
→2005Colcord Farmstead — Benton, Kennebec County, Maine
→1985Cold Spring Farm — Phippsburg, Sagadahoc County, Maine
→1998Cole Block — Bethel, Oxford County, Maine
→1986College Block--Lisbon Block — Lewiston, Androscoggin County, Maine
→2000College Club Inn — Searsport, Waldo County, Maine
→2012Colonial Apartments — Bangor, Penobscot County, Maine
→2012Colonial Inn — Ogunquit, York County, Maine
→2014Colonial Theater — Augusta, Kennebec County, Maine
→2000Columbia House — Columbia Falls, Washington County, Maine
→1997Columbia Union Church — Epping, Washington County, Maine
→2007Common, The — Union, Knox County, Maine
→1992Conant--Sawyer Cottage — York Beach, York County, Maine
→1992Concord Haven — Embden, Somerset County, Maine
→1987Congregational Church of Edgecomb — North Edgecomb, Lincoln County, Maine
→1977Congregational Church of Medway — Medway, Penobscot County, Maine
→1974Connor-Bovie House — Fairfield, Somerset County, Maine
→1983Connors House — Bangor, Penobscot County, Maine
→1979Continental Mill Housing — Lewiston, Androscoggin County, Maine
→1969Conway House — Camden, Knox County, Maine
→1989Conway Junction Railroad Turntable Site — South Berwick, York County, Maine
→1988Cony High School — Augusta, Kennebec County, Maine
→1985Cony, Gov. Samuel, House — Augusta, Kennebec County, Maine
→1991Coombs, Viola, House — Bowdoinham, Sagadahoc County, Maine
→1997Coplin Plantation Schoolhouse — Stratton, Franklin County, Maine
→1990CORA F. CRESSEY — Bremen, Lincoln County, Maine
→2008Corinth Town Hall and Corinthian Lodge #59, I.O.O.F. — Corinth, Penobscot County, Maine
→1973Corinth Village — East Corinth, Penobscot County, Maine
→1980Cornish House — Bowdoinham, Sagadahoc County, Maine
→2016Cottage on King's Row — Bristol, Lincoln County, Maine
→1992Cotton--Smith House — Fairfield, Somerset County, Maine
→1974Cottrill, Matthew, House — Damariscotta, Lincoln County, Maine
→1997Cousins Island Chapel — Cousins Island, Cumberland County, Maine
→1995Cover Farm — Hulls Cove, Hancock County, Maine
→2018Crescent Lodge — Cape Elizabeth, Cumberland County, Maine
→1980Criterion Theatre — Bar Harbor, Hancock County, Maine
→2015Crockett, Knott, House — Rockland, Knox County, Maine
→1979Crooker, W. D., House — Bath, Sagadahoc County, Maine
→1986Crosby Street Historic District — Augusta, Kennebec County, Maine
→2004Crystal Spring Farm — Brunswick, Cumberland County, Maine
→2002Cuckolds Light Station — Southport, Lincoln County, Maine
→1974Cumberland and Oxford Canal — Standish, Cumberland County, Maine
→1974Cumberland Mills Historic District — Westbrook, Cumberland County, Maine
→2001Cummings Shoe Factory — South Berwick, York County, Maine
→2004Cummings' Guest House — Old Orchard Beach, York County, Maine
→1973Cumston Hall — Monmouth, Kennebec County, Maine
→1973Curtis Island Light — Camden, Knox County, Maine
→1997Curtis, John B., Free Public Library — Bradford, Penobscot County, Maine
→2020Cushman Tavern — Lisbon, Androscoggin County, Maine
→1990Cushman, Abial, Store — Lee, Penobscot County, Maine
→1980Cushman, Charles L., House — Auburn, Androscoggin County, Maine
→1973Cutler Memorial Library — Farmington, Franklin County, Maine
→2013Daigle, Jean-Baptiste, House — Fort Kent, Aroostook County, Maine
→1985Damariscotta Baptist Church — Damariscotta, Lincoln County, Maine
→1987Damariscove Lifesaving Station — Boothbay, Lincoln County, Maine
→2016Danville Junction Grange #65 — Auburn (Danville), Androscoggin County, Maine
→2017Dark Harbor Shop — Islesboro, Waldo County, Maine
→1989Davis, Dalton Holmes, Memorial Library — Bridgton, Cumberland County, Maine
→1983Davis, John, House — Chelsea, Kennebec County, Maine
→1978Day, Holman, House — Auburn, Androscoggin County, Maine
→1975Days Ferry Historic District — Bath, Sagadahoc County, Maine
→1979Deacon Hutchins House — Rumford, Oxford County, Maine
→1969Deering Estate Barn — Portland, Cumberland County, Maine
→2008Deering Memorial United Methodist Church — Paris, Oxford County, Maine
→1989Deering Oaks — Portland, Cumberland County, Maine
→1983Deering Street Historic District — Portland, Cumberland County, Maine
→1982Deering, J. G., House — Saco, York County, Maine
→1989Deertrees Theatre — Harrison, Cumberland County, Maine
→1978Dennett Garrison — Kittery, York County, Maine
→1982Dennysville Historic District — Dennysville, Washington County, Maine
→1975Dexter Grist Mill — Dexter, Penobscot County, Maine
→1985Dexter Universalist Church — Dexter, Penobscot County, Maine
→1980Dingley, Frank L., House — Auburn, Androscoggin County, Maine
→2023Dinsmore Grain Company Mill — China, Kennebec County, Maine
→1997District #5 School House — Hermon, Penobscot County, Maine
→1984District No. 1 Schoolhouse — Fryeburg, Oxford County, Maine
→1997District No. 2 School — Passadumkeag, Penobscot County, Maine
→2009District No. 5 School — Alfred, York County, Maine
→1995Division No. 9 School — North Berwick, York County, Maine
→1990Dix Family Stable — Bass Harbor, Hancock County, Maine
→1983Dixmont Corner Church — Dixmont, Penobscot County, Maine
→2014Dixmont Town House — Dixmont, Penobscot County, Maine
→1980Dominican Block — Lewiston, Androscoggin County, Maine
→1989Donnell, William T., House — Bath, Sagadahoc County, Maine
→2009Donovan-Hussey Farms Historic District — Houlton, Aroostook County, Maine
→1979Dorfield Farm — Wells, York County, Maine
→1988Doubling Point Light Station — Bath, Sagadahoc County, Maine
→1986Doughty Block — Augusta, Kennebec County, Maine
→1978Douglas, C. F., House — Norridgewock, Somerset County, Maine
→2022Dow Bridge — Standish, Cumberland County, Maine
→1973Dow, Gen. Neal, House ★ NHL — Portland, Cumberland County, Maine
→1996Dreamhome — Bryant Pond, Oxford County, Maine
→1986Dresden Brick School House — Dresden, Lincoln County, Maine
→2000Dresden Town House — Dresden Mills, Lincoln County, Maine
→1985Drexel Estate — Islesboro, Waldo County, Maine
→1996Dry Mills School — Gray, Cumberland County, Maine
→1993Duck Cove School — Bucksport, Hancock County, Maine
→1982Dudley Block — Biddeford, York County, Maine
→2002Dudley's Corner School House — Skowhegan, Somerset County, Maine
→2009Duncan, Beecher H., Farm — Westfield, Aroostook County, Maine
→1979Dunlap, John, House — Brunswick, Cumberland County, Maine
→2020Dunn & Elliot Sail Loft — Thomaston, Knox County, Maine
→1999Dunning, Deacon Andrew, House — North Harpswell, Cumberland County, Maine
→1989Dunstan Methodist Episcopal Church — Scarborough, Cumberland County, Maine
→1990Dutton--Small House — Vassalboro, Kennebec County, Maine
→1997Dyer--Hutchinson Farm — Cape Elizabeth, Cumberland County, Maine
→1998Dyer, Isaac E., Estate — Gorham, Cumberland County, Maine
→1987Dyer, Nathaniel, House — Portland, Cumberland County, Maine
→2005Dyke Mountain Annex — Sebago, Cumberland County, Maine
→1971Eagle Island ★ NHL — Harpswell, Cumberland County, Maine
→1979Early Post Office — Wells, York County, Maine
→1990East Blue Hill Library — East Blue Hill, Hancock County, Maine
→2003East Blue Hill Post Office — East Blue Hill, Hancock County, Maine
→2004East Eddington Public Hall — Eddington, Penobscot County, Maine
→1988East Harpswell Free Will Baptist Church — East Harpswell, Cumberland County, Maine
→1973East Machias Historic District — East Machias, Washington County, Maine
→1991East Main Street Historic District — Searsport, Waldo County, Maine
→2004East Raymond Union Chapel — East Raymond, Cumberland County, Maine
→1982East Vassalboro Grist and Saw Mill — East Vassalboro, Kennebec County, Maine
→1978Eastbrook Baptist Church and Eastbrook Town House — Eastbrook, Hancock County, Maine
→1973Eastern Cemetery — Portland, Cumberland County, Maine
→1989Eastern Promenade — Portland, Cumberland County, Maine
→1993Eastman Hill Rural Historic District — Center Lovell, Oxford County, Maine
→1979Eaton House — North Berwick, York County, Maine
→1988Eaton School — Norridgewock, Somerset County, Maine
→2013Edgecliff — Southwest Harbor, Hancock County, Maine
→1980Eegonos — Bar Harbor, Hancock County, Maine
→1988Egg Rock Light Station — Winter Harbor, Hancock County, Maine
→2006Eighth Maine Regiment Memorial — Peaks Island, Cumberland County, Maine
→1983Elden's Store — Buxton, York County, Maine
→1979Elder Grey Meetinghouse — North Waterboro, York County, Maine
→1979Ellis, Dr. J. W., House — Augusta, Kennebec County, Maine
→1986Ellsworth City Hall — Ellsworth, Hancock County, Maine
→1973Ellsworth Congregational Church — Ellsworth, Hancock County, Maine
→1985Ellsworth Power House and Dam — Ellsworth, Hancock County, Maine
→1970Elm Hill Farm — Hallowell, Kennebec County, Maine
→1990Elm Street Congregational Church and Parish House — Bucksport, Hancock County, Maine
→1985Elms — Mechanic Falls, Androscoggin County, Maine
→2009Elms, The — Houlton, Aroostook County, Maine
→1989Embden Town House — Embden, Somerset County, Maine
→1980Emery Homestead — Sanford, York County, Maine
→1979Emery House — Highpine, York County, Maine
→2011Emery School — Biddeford, York County, Maine
→1974Emery, James, House — Bucksport, Hancock County, Maine
→2010Engine Company Number Nine Firehouse — Portland, Cumberland County, Maine
→1978Engine House — Auburn, Androscoggin County, Maine
→2008Enterprise Grange, No. 173 — Orrington, Penobscot County, Maine
→2006Everett Chambers — Portland, Cumberland County, Maine
→1992Evergreen Cemetery — Portland, Cumberland County, Maine
→2016Excelsior Grange #5 — Poland, Androscoggin County, Maine
→2016Falmouth High School — Falmouth, Cumberland County, Maine
→1976Falmouth House — North Falmouth, Cumberland County, Maine
→2023Far From the Wolf — Winter Harbor, Hancock County, Maine
→2007Farm House, The — Bar Harbor, Hancock County, Maine
→1995Farmington Historic District — Farmington, Franklin County, Maine
→1973Farnsworth Homestead — Rockland, Knox County, Maine
→1980Farnsworth House — North Bridgton, Cumberland County, Maine
→1974Farrar, Samuel, House — Bangor, Penobscot County, Maine
→2020Farwell Brothers Store — Thorndike, Waldo County, Maine
→1985Farwell Mill — Lisbon, Androscoggin County, Maine
→1976Federal Street Historic District — Brunswick, Cumberland County, Maine
→2009Fiddler's Reach Fog Signal — Arrowsic, Sagadahoc County, Maine
→1978Fifth Maine Regiment Community Center — Portland, Cumberland County, Maine
→1994Finnish Congregational Church and Parsonage — South Thomaston, Knox County, Maine
→1973First Baptist Church — Sedgwick, Hancock County, Maine
→2015First Baptist Church — Portland, Cumberland County, Maine
→1976First Baptist Church — Waterville, Kennebec County, Maine
→1988First Baptist Church — Waterboro, York County, Maine
→2001First Baptist Church — E. Lamoine, Hancock County, Maine
→1997First Baptist Church of Bowdoin and Coombs Cemetery — Bowdoin Center, Sagadahoc County, Maine
→1991First Baptist Church, Former — Skowhegan, Somerset County, Maine
→1986First Callahan Building — Lewiston, Androscoggin County, Maine
→1976First Church of Belfast — Belfast, Waldo County, Maine
→1978First Congregational Church and Parsonage — Kittery Point, York County, Maine
→1997First Congregational Church and Parsonage (Boundary Increase) — Kittery Point, York County, Maine
→1980First Congregational Church of Buxton — Buxton, York County, Maine
→1991First Congregational Church, Former — Wells, York County, Maine
→1974First Congregational Church, United Church of Christ — Farmington, Franklin County, Maine
→1986First McGillicuddy Block — Lewiston, Androscoggin County, Maine
→1986First National Bank — Lewiston, Androscoggin County, Maine
→1973First National Bank of Houlton — Houlton, Aroostook County, Maine
→1973First Parish Church — Portland, Cumberland County, Maine
→1969First Parish Church — Brunswick, Cumberland County, Maine
→1995First Parish Congregational Church — Yarmouth, Cumberland County, Maine
→1972First Parish Meetinghouse — Biddeford, York County, Maine
→1975First Parish Meetinghouse — Standish, Cumberland County, Maine
→1979First Universalist Church — Auburn, Androscoggin County, Maine
→2023First Universalist Church of Sangerville — Sangerville, Piscataquis County, Maine
→2002First Universalist Society of West Sumner — Sumner, Oxford County, Maine
→1995Fitch's General Store and House — East Sebago, Cumberland County, Maine
→1980Flagg, James Montgomery, House — Biddeford, York County, Maine
→1974Fletcher's Neck Lifesaving Station — Biddeford Pool, York County, Maine
→1991Fogg, William, Library — Eliot, York County, Maine
→2008Forest Lodge — Upton, Oxford County, Maine
→2019Former Town Office and Jail — Island Falls, Aroostook County, Maine
→1979Fort Baldwin Historic Site — Phippsburg, Sagadahoc County, Maine
→1969Fort Edgecomb — Edgecomb, Lincoln County, Maine
→1989Fort Fairfield Public Library — Fort Fairfield, Aroostook County, Maine
→1969Fort George — Castine, Hancock County, Maine
→1973Fort Gorges — Portland, Cumberland County, Maine
→1968Fort Halifax ★ NHL — Winslow, Kennebec County, Maine
→1969Fort Kent ★ NHL — Fort Kent, Aroostook County, Maine
→1989Fort Kent Railroad Station — Fort Kent, Aroostook County, Maine
→1969Fort Knox State Park ★ NHL — Prospect, Waldo County, Maine
→1969Fort McClary — Kittery Point, York County, Maine
→1985Fort McKinley Historic District — Portland, Cumberland County, Maine
→1969Fort O'Brien — Machiasport, Washington County, Maine
→1988Fort Point Light Station — Stockton Springs, Waldo County, Maine
→1969Fort Popham Memorial — Popham Beach, Sagadahoc County, Maine
→1969Fort Pownall Memorial — Stockton Springs, Waldo County, Maine
→1970Fort Sullivan — Eastport, Washington County, Maine
→1969Fort Western ★ NHL — Augusta, Kennebec County, Maine
→1969Fort William Henry — Pemaquid Beach, Lincoln County, Maine
→1976Foss, Horatio G., House — Auburn, Androscoggin County, Maine
→1984Foss, Levi, House — Goodwins Mills, York County, Maine
→1994Foster Family Home — Newry, Oxford County, Maine
→2015Foster Farm Barn — Belgrade, Kennebec County, Maine
→2014Foster--Redington House — Waterville, Kennebec County, Maine
→1979Founders Hall — Pittsfield, Somerset County, Maine
→1983Fowler, Jeremiah, House — Lubec, Washington County, Maine
→2003Frankfort Dam — Frankfort, Waldo County, Maine
→1983Franklin County Courthouse — Farmington, Franklin County, Maine
→1989Free Baptist Church — Auburn, Androscoggin County, Maine
→2012Free Baptist Church of Great Pond, The — Great Pond, Hancock County, Maine
→2000Free Will Baptist Church (Former) — Milo, Piscataquis County, Maine
→1988Free Will Baptist Church and Cemetery — North Islesboro, Waldo County, Maine
→1973Free Will Baptist Meetinghouse — Farmington, Franklin County, Maine
→2017Freeman Barn — Wallagrass, Aroostook County, Maine
→2003Freeman Farm Historic District — Gray, Cumberland County, Maine
→1977Freeport Main Street Historic District — Freeport, Cumberland County, Maine
→1995Frenchville Railroad Station and Water Tank — Frenchville, Aroostook County, Maine
→1975Friends Meetinghouse — Casco, Cumberland County, Maine
→2020Friends School — Casco, Cumberland County, Maine
→2012Frisbee, Frank C., Elementary School — Kittery, York County, Maine
→1971Frost Garrison and House — Eliot, York County, Maine
→1976Frye, Sen. William P., House — Lewiston, Androscoggin County, Maine
→1987Fryeburg Registry of Deeds — Fryeburg, Oxford County, Maine
→1992Fryeburg Town House, Former — Fryeburg Center, Oxford County, Maine
→1984Fuller-Weston House — Augusta, Kennebec County, Maine
→2001Gallison Memorial Library — Harrington, Washington County, Maine
→1983Gannett, Guy P., House — Augusta, Kennebec County, Maine
→1986Garcelon, A. A., House — Auburn, Androscoggin County, Maine
→1982Gardiner Railroad Station — Gardiner, Kennebec County, Maine
→2005Garland Farm — Bar Harbor, Hancock County, Maine
→1975Garland Grange Hall — Garland, Penobscot County, Maine
→1975Gates House — Machiasport, Washington County, Maine
→2001Gay--Munroe House — Auburn, Androscoggin County, Maine
→1976Gehring Clinic — Bethel, Oxford County, Maine
→2023Genthner, Ernest and Louise, House — Guilford, Piscataquis County, Maine
→1970Georges River Canal — Warren, Knox County, Maine
→2013Gerald Hotel — Fairfield, Somerset County, Maine
→1980Gerald, Amos, House — Fairfield, Somerset County, Maine
→1970German Church and Cemetery — Waldoboro, Lincoln County, Maine
→2015Gerrish Warehouse — Kittery, York County, Maine
→1992Gilead Railroad Station, Former — Auburn, Androscoggin County, Maine
→1966Gilman, Daniel Coit, Summer Home ★ NHL — Northeast Harbor, Hancock County, Maine
→1979Gilmore House — Calais, Washington County, Maine
→1975Glidden-Austin Block — Newcastle, Lincoln County, Maine
→1988Goat Island Light Station — Cape Porpoise, York County, Maine
→1973Godfrey-Kellogg House — Bangor, Penobscot County, Maine
→1979Goodale-Bourne Farm — Ogunquit, York County, Maine
→1979Goodale-Stevens Farm — Ogunquit, York County, Maine
→2008Goodall, Louis B., Memorial Library — Sanford, York County, Maine
→1975Goodall, Thomas, House — Sanford, York County, Maine
→1989Goodspeed Memorial Library — Wilton, Franklin County, Maine
→2015Goodwin, Edmund E., House — Sanford, York County, Maine
→1990Goold House — Windham, Cumberland County, Maine
→1988Goose Rocks Light Station — North Haven, Knox County, Maine
→2015Gordon Fox Ranch — Lincoln, Penobscot County, Maine
→1978Gorham Campus Historic District — Gorham, Cumberland County, Maine
→1992Gorham Historic District — Gorham, Cumberland County, Maine
→1974Gothic House, The — Portland, Cumberland County, Maine
→1982Gould House — Skowhegan, Somerset County, Maine
→1993Governor Brann School — Van Buren, Aroostook County, Maine
→1974Governor's House ★ NHL — Togus, Kennebec County, Maine
→1990GRACE BAILEY (two-masted schooner) ★ NHL — Camden, Knox County, Maine
→2001Grace Episcopal Church — Robbinston, Washington County, Maine
→1972Grand Army Memorial Home — Bangor, Penobscot County, Maine
→1979Grand Trunk Railroad Station — Yarmouth, Cumberland County, Maine
→1979Grand Trunk Railroad Station — Lewiston, Androscoggin County, Maine
→2012Grand, The — Ellsworth, Hancock County, Maine
→1974Granite Store — Sullivan, Hancock County, Maine
→1990Grant Family House — Saco, York County, Maine
→2013Grant, Gooden, House — Isle Au Haut, Knox County, Maine
→1976Grant, Peter, House — Farmingdale, Kennebec County, Maine
→2006Grant, William F., House — North Vassalboro, Kennebec County, Maine
→1980Graves, Abbott, House — Kennebunkport, York County, Maine
→2007Gray House, Old — Boothbay, Lincoln County, Maine
→1995Gray Memorial United Methodist Church and Parsonage — Caribou, Aroostook County, Maine
→1988Great Duck Island Light Station — Frenchboro, Hancock County, Maine
→1995Great Falls Historic District — North Gorham, Cumberland County, Maine
→1984Great Fire of 1911 Historic District — Bangor, Penobscot County, Maine
→1973Green Memorial A.M.E. Zion Church — Portland, Cumberland County, Maine
→1982Greenacre — Farmington, Franklin County, Maine
→2019Greene Cottage — Harpswell, Cumberland County, Maine
→1977Greenough, Byron, Block — Portland, Cumberland County, Maine
→2007Greenwood Cattle Pound — Greenwood, Oxford County, Maine
→2021Greenwood Garden Playhouse — Portland, Cumberland County, Maine
→2001Greenwood Town Hall, Former — Locke Mills, Oxford County, Maine
→2020Greenwood, Chester, House — Farmington, Franklin County, Maine
→1991Greer's Corner School — Belmont Corner, Waldo County, Maine
→1985Grey Havens Inn — Georgetown, Sagadahoc County, Maine
→1984Griffin House — Portland, Cumberland County, Maine
→1987Grindle Point Light Station — Islesboro, Waldo County, Maine
→1990Grist Mill Bridge — Lebanon, York County, Maine
→1986Guilford Memorial Library — Guilford, Piscataquis County, Maine
→1998Gushee Family House — Appleton, Knox County, Maine
→1997Gustaf Adolph Lutheran Church — New Sweden, Aroostook County, Maine
→1988Halfway Rock Light Station — South Harpswell, Cumberland County, Maine
→2002Hall House — Bethel, Oxford County, Maine
→1993Hall, Enoch, House — Buckfield, Oxford County, Maine
→1978Hall's Tavern — Falmouth, Cumberland County, Maine
→2017Hallowell Historic District — Hallowell, Kennebec County, Maine
→1983Hamblen Block — Portland, Cumberland County, Maine
→1992Hamblen Development Historic District — Portland, Cumberland County, Maine
→1970Hamilton, Jonathan, House ★ NHL — South Berwick, York County, Maine
→1982Hamilton, Thomas, House — Calais, Washington County, Maine
→1979Hamlin, Hannibal, House — Bangor, Penobscot County, Maine
→1982Hammond Street Congregation Church — Bangor, Penobscot County, Maine
→2004Hammond, Edward J., Hall — Winter Harbor, Hancock County, Maine
→1975Hampden Academy — Hampden, Penobscot County, Maine
→1987Hampden Congregational Church — Hampden, Penobscot County, Maine
→2008Hancock County Jail — Ellsworth, Hancock County, Maine
→2013Hancock Point School — Hancock, Hancock County, Maine
→1969Hancock, John, Warehouse — York, York County, Maine
→2001Hanson, Asa, Block — Portland, Cumberland County, Maine
→2009Harbor Lane--Eden Street Historic District — Bar Harbor, Hancock County, Maine
→1994Hardscrabble Farm — Searsmont, Waldo County, Maine
→2007Harmony Hall — Hampden, Penobscot County, Maine
→1998Harper Family House — Limerick, York County, Maine
→1968Harpswell Meetinghouse ★ NHL — Brunswick, Cumberland County, Maine
→1974Harraseeket Historic District — Freeport, Cumberland County, Maine
→1996Harriman School — Dover--Foxcroft, Piscataquis County, Maine
→1970Harrington Meetinghouse — Pemaquid, Lincoln County, Maine
→1993Harris, Nathan, House — Westbrook, Cumberland County, Maine
→2018Hartford Fire Station — Augusta, Kennebec County, Maine
→1996Harward Family House — Richmond, Sagadahoc County, Maine
→1978Haskell, Squire Ignatius, House — Deer Isle, Hancock County, Maine
→1979Hatch House — North Berwick, York County, Maine
→2003Hathaway Barn — Willimantic, Piscataquis County, Maine
→1970Hathorn Hall, Bates College — Lewiston, Androscoggin County, Maine
→2019Hathorn, Lt. Richard, House — Woolwich, Sagadahoc County, Maine
→1993Hawkes Pharmacy — York Beach, York County, Maine
→1969Hawthorne, Nathaniel, Boyhood Home — South Casco, Cumberland County, Maine
→1977Hayford Block — Belfast, Waldo County, Maine
→2005Haystack Mountain School of Crafts — Deer Isle, Hancock County, Maine
→1974Head Tide Historic District — Alna, Lincoln County, Maine
→1994Heal Family House — Georgetown, Sagadahoc County, Maine
→2005Heald House — Waterville, Kennebec County, Maine
→1979Healey Asylum — Lewiston, Androscoggin County, Maine
→1970Hemlock Bridge — Fryeburg Center, Oxford County, Maine
→1987Hendricks Head Light Station — West Southport, Lincoln County, Maine
→2020Herald Building — Camden, Knox County, Maine
→2018Herbert, The — Kingfield, Franklin County, Maine
→1988Heron Neck Light Station — Vinalhaven, Knox County, Maine
→1990Hershey Plow Company Building — South Paris, Oxford County, Maine
→1980Hexagon Barn — Newport, Penobscot County, Maine
→1988Heywood, Phineas, House — Bucksport, Hancock County, Maine
→1988Hichborn, Nathan G., House — Stockton Springs, Waldo County, Maine
→2004Higgins Barn — Indian Point, Hancock County, Maine
→1989High Street Historic District — Camden, Knox County, Maine
→1999High Street Historic District (Boundary Increase) — Camden, Knox County, Maine
→1978Highseas — Bar Harbor, Hancock County, Maine
→1977Hill, Gov. John F., Mansion — Augusta, Kennebec County, Maine
→1987Hinckley Good Will Home Historic District — Hinckley, Somerset County, Maine
→1994Hinckley Hill Historic District — Calais, Washington County, Maine
→1983History House — Skowhegan, Somerset County, Maine
→1982Hobbs, Thomas, Jr., House — North Berwick, York County, Maine
→2014Holden Town Hall — Holden, Penobscot County, Maine
→1995Holden, Samuel, House — Moose River, Somerset County, Maine
→1978Holland-Drew House — Lewiston, Androscoggin County, Maine
→1985Holland, Captain, House — Lewiston, Androscoggin County, Maine
→1988Holmes Cottage — Calais, Washington County, Maine
→1973Holmes-Crafts Homestead — North Jay, Franklin County, Maine
→1990Holmes, Dr. Job, House — Calais, Washington County, Maine
→1975Holmes, Sen. John, House — Alfred, York County, Maine
→1966Homer, Winslow, Studio ★ NHL — Scarborough, Cumberland County, Maine
→1980How Houses — Portland, Cumberland County, Maine
→1973How, Daniel, House — Portland, Cumberland County, Maine
→1979Howels, William Dean, House — Kittery Point, York County, Maine
→1990Hubbard--Cotton Store — Hiram, Oxford County, Maine
→1979Hudson, H., Law Office — Guilford, Piscataquis County, Maine
→1999Hulls Cove High School — Hulls Cove, Hancock County, Maine
→1976Hunniwell, Richard, House — Scarborough, Cumberland County, Maine
→1979Hurd, Mary R., House — North Berwick, York County, Maine
→2016Huse, John E.L., Memorial School — Bath, Sagadahoc County, Maine
→1979Hussey Plow Company Building — North Berwick, York County, Maine
→2016Hussey--Littlefield Farm — Albion, Kennebec County, Maine
→1985Huston House — Damariscotta, Lincoln County, Maine
→1982Hutchins House — Waldoboro, Lincoln County, Maine
→1986Hutchins, Frank, House — Kingfield, Franklin County, Maine
→2003Hutchins, Moses, House — Lovell, Oxford County, Maine
→1978Hyde Mansion — Bath, Sagadahoc County, Maine
→1988Indian Island Light Station — Rockport, Knox County, Maine
→1988Indian River Baptist Church — Addison, Washington County, Maine
→1983Influence, The — Monhegan, Lincoln County, Maine
→1975Ingalls House — Mercer, Somerset County, Maine
→1986Ingraham, Charles H., Cottage — Phippsburg, Sagadahoc County, Maine
→1973Ingraham, Joseph Holt, House — Portland, Cumberland County, Maine
→2004Intervale Farm — New Gloucester, Cumberland County, Maine
→1983Irish, J. & O., Store — Hartford, Oxford County, Maine
→1991ISAAC H. EVANS (schooner) ★ NHL — Rockland, Knox County, Maine
→2011Isaacson, Philip M. and Deborah N., House — Lewiston, Androscoggin County, Maine
→1984Island Falls Opera House — Island Falls, Aroostook County, Maine
→1988Isle Au Haut Light Station — Isle Au Haut, Knox County, Maine
→1974Isles of Shoals — Kittery, York County, Maine
→1989Islesboro Free Library — Islesboro, Waldo County, Maine
→1980Islesford Historical Museum and Blue Ducks Ships Store — Islesford, Hancock County, Maine
→1991J. & E. RIGGIN (schooner) ★ NHL — Rockland, Knox County, Maine
→1980Jackson, Dr. F. W., House — Jefferson, Lincoln County, Maine
→1982Jacobs Houses and Store — Saco, York County, Maine
→2007Jacobson, Pehr J., House — New Sweden, Aroostook County, Maine
→2004Jarvis, Col. Charles and Mary Ann, Homestead — Ellsworth, Hancock County, Maine
→1987Jay-Niles Memorial Library — North Jay, Franklin County, Maine
→2004Jefferson Cattle Pound — Jefferson, Lincoln County, Maine
→1999Jefferson Town House — Jefferson, Lincoln County, Maine
→1984Jellison, Theodore, House — Calais, Washington County, Maine
→1990Jenkins, Charles W., House — Bangor, Penobscot County, Maine
→1991Jesup Memorial Library — Bar Harbor, Hancock County, Maine
→1983Jewett-Eastman House — South Berwick, York County, Maine
→1973Jewett, Sarah Orne, House ★ NHL — South Berwick, York County, Maine
→1980Johnson Hall — Gardiner, Kennebec County, Maine
→2007Johnson, Dennis, Lumber Company Mill — Waterboro, York County, Maine
→1973Jonas Cutting-Edward Kent House — Bangor, Penobscot County, Maine
→1969Jonathan Fisher Memorial — Blue Hill, Hancock County, Maine
→1983Jones, Abel, House — China, Kennebec County, Maine
→1984Jones, Eli and Sybil, House — South China, Kennebec County, Maine
→1998Jones, John Paul, Memorial Park — Kittery Foreside, York County, Maine
→2010Jonesboro Grange #357 — Jonesboro, Washington County, Maine
→2002Jonesboro Union Church — Jonesboro, Washington County, Maine
→1984Jordan School — Lewiston, Androscoggin County, Maine
→1974Jordan, Charles A., House — Auburn, Androscoggin County, Maine
→2014Jordan, F.M., House — Auburn, Androscoggin County, Maine
→1974Jordon, Col, Meltiah, House — Ellsworth, Hancock County, Maine
→1986Journal Building — Augusta, Kennebec County, Maine
→1992Kane, John Innes, Cottage — Bar Harbor, Hancock County, Maine
→1978KATAHDIN (Lake Boat) — Greenville, Piscataquis County, Maine
→1969Katahdin Ironworks — Brownville Junction, Piscataquis County, Maine
→2020Kavanaugh, Gov. Edward, House — Newcastle, Lincoln County, Maine
→2017Keen Hall — Freedom, Waldo County, Maine
→1979Kellogg, Elijah, Church — Harpswell, Cumberland County, Maine
→1975Kellogg, Elijah, House — Harpswell, Cumberland County, Maine
→1970Kennebec Arsenal ★ NHL — Augusta, Kennebec County, Maine
→1974Kennebec County Courthouse — Augusta, Kennebec County, Maine
→1988Kennebec River Light Station — Bath, Sagadahoc County, Maine
→2011Kennebunk High School — Kennebunk, York County, Maine
→2022Kennebunk Historic District — Kennebunk, York County, Maine
→1975Kennebunk River Club — Kennebunkport, York County, Maine
→1976Kennebunkport Historic District — Kennebunkport, York County, Maine
→2008Kent Burying Ground — Fayette, Kennebec County, Maine
→1992Kent, Rockwell, Cottage and Studio — Monhegen Plantation, Lincoln County, Maine
→1979Kent's Hill School Historic District — Kent's Hill, Kennebec County, Maine
→2005Keystone Mineral Springs — Poland, Androscoggin County, Maine
→2021Kezar Falls Circulating Library — Parsonsfield, York County, Maine
→2004Kineo Cottage Row Historic District — Kineo Township, Piscataquis County, Maine
→1976King, Gov. William, House — Bath, Sagadahoc County, Maine
→2020Kingman, Romanzo, House — Kingman, Penobscot County, Maine
→1983Kinsley, Martin, House — Hampden Highlands, Penobscot County, Maine
→1980Knight-Corey House — Boothbay, Lincoln County, Maine
→2002Knowlton, Ebenezer, House — Montville, Waldo County, Maine
→1978Knowlton, Jabez, Store — Newburgh, Penobscot County, Maine
→1977Knox County Courthouse — Rockland, Knox County, Maine
→1975Kora Temple — Lewiston, Androscoggin County, Maine
→1986Kresge Building — Augusta, Kennebec County, Maine
→2009Kromberg Barn — Smithfield, Somerset County, Maine
→1966Lady Pepperrell House ★ NHL — Kittery Point, York County, Maine
→2020Lagassey Farm — Saint Agatha, Aroostook County, Maine
→2005Lakeside Grange #63 — Harrison, Cumberland County, Maine
→1975Lakewood Theater — Madison, Somerset County, Maine
→2012Lamb Block — Livermore Falls, Androscoggin County, Maine
→1982Lancaster Block — Portland, Cumberland County, Maine
→1989Larsson--Noak Historic District — New Sweden, Aroostook County, Maine
→1983Laudholm Farm — Wells, York County, Maine
→1987Laudholm Farm (Boundary Increase) — Wells, York County, Maine
→1974Lawrence Library — Fairfield, Somerset County, Maine
→1983Leach, Philip, House — Vassalboro, Kennebec County, Maine
→1986Leavitt, A. B., House — Sherman, Aroostook County, Maine
→2004Leavitt, James, House — Waterboro Center, York County, Maine
→1984Lee, Jesse, Church — Readfield, Kennebec County, Maine
→1982Leighton, Adam P., House — Portland, Cumberland County, Maine
→1984Lermond Mill — Union, Knox County, Maine
→1991LEWIS R. FRENCH (schooner) ★ NHL — Rockland, Knox County, Maine
→1976Lewiston City Hall — Lewiston, Androscoggin County, Maine
→1978Lewiston Public Library — Lewiston, Androscoggin County, Maine
→1986Lewiston Trust and Safe Deposit Company — Lewiston, Androscoggin County, Maine
→1976Libby Island Light Station — Machiasport, Washington County, Maine
→1986Libby--Hill Block — Augusta, Kennebec County, Maine
→1988Libby-MacArthur House — Limington, York County, Maine
→2001Libby's Colonial Tea Room — Wells, York County, Maine
→1977Liberty Hall — Machiasport, Washington County, Maine
→1989Lightship No. 112, NANTUCKET ★ NHL — South Portland, Cumberland County, Maine
→1984Limerick Upper Village Historic District — Limerick, York County, Maine
→1980Limington Academy — Limington, York County, Maine
→1999Limington Historic District — Limington, York County, Maine
→1978Lincoln House — Dennysville, Washington County, Maine
→1989Lincoln Park — Portland, Cumberland County, Maine
→2013Lincoln School — Acton, York County, Maine
→2021Lincoln Street Fire Station — Lewiston, Androscoggin County, Maine
→1976Lincoln Street Historic District — Brunswick, Cumberland County, Maine
→1983Lincolnville Center Meeting House — Lincolnville Center, Waldo County, Maine
→1976Lion, The (locomotive) — Machias, Washington County, Maine
→2007Lisbon Falls High School — Lisbon Falls, Androscoggin County, Maine
→1985Lithgow House — Dresden, Lincoln County, Maine
→1974Lithgow Library — Augusta, Kennebec County, Maine
→2016Little Mark Island Monument — Harpswell, Cumberland County, Maine
→1972Little Red Schoolhouse — West Farmington, Franklin County, Maine
→1988Little River Light Station — Cutler, Washington County, Maine
→1976Little, Edward, House — Auburn, Androscoggin County, Maine
→1979Littlefield Homestead — Wells, York County, Maine
→1979Littlefield Tavern — North Berwick, York County, Maine
→1979Littlefield-Chase Farmstead — North Berwick, York County, Maine
→1979Littlefield-Dustin Farm — North Berwick, York County, Maine
→1979Littlefield-Keeping House — North Berwick, York County, Maine
→2007Lockwood Mill Historic District — Waterville, Kennebec County, Maine
→1982Lombard, Alvin O., House — Waterville, Kennebec County, Maine
→1994Long, Zadoc, Free Library — Buckfield, Oxford County, Maine
→1990Longfellow, Henry Wadsworth, Monument — Portland, Cumberland County, Maine
→1984Longfellow, Stephen, House — Gorham, Cumberland County, Maine
→1986Lord Block — Lewiston, Androscoggin County, Maine
→1979Lord Farm — Wells, York County, Maine
→1973Lord Mansion — Kennebunk, York County, Maine
→1992Lord--Dane House — Alfred, York County, Maine
→1973Lord, Capt. Nathaniel, Mansion — Kennebunkport, York County, Maine
→1978Lord, James C., House — Lewiston, Androscoggin County, Maine
→1995Loudville Church — Loudville, Lincoln County, Maine
→1970Lovejoy Bridge — South Andover, Oxford County, Maine
→2014Lovell Meeting House — Lovell, Oxford County, Maine
→1986Lovell Village Church — Lovell, Oxford County, Maine
→1973Low, Joseph W., House — Bangor, Penobscot County, Maine
→1994Lower Alewive Historic District — Kennebunk, York County, Maine
→1985Lower Lisbon Street Historic District — Lewiston, Androscoggin County, Maine
→2013Lower Meeting House and East Bethel Cemetery — Bethel, Oxford County, Maine
→1978Lower Sunday River School — Newry, Oxford County, Maine
→1988Lubec Channel Light Station — Lubec, Washington County, Maine
→1982Lucerne Inn — Dedham, Hancock County, Maine
→1980Ludwig, Godfrey, House — Waldoboro, Lincoln County, Maine
→1986Lyceum Hall — Lewiston, Androscoggin County, Maine
→1977Machias Post Office and Customhouse — Machias, Washington County, Maine
→1992Machias Railroad Station — Machias, Washington County, Maine
→2007Machias Valley Grange, #360 (Former) — Machias, Washington County, Maine
→1989Madison Public Library — Madison, Somerset County, Maine
→1995Madrid Village Schoolhouse — Madrid, Franklin County, Maine
→1978Main Street Historic District — Rockland, Knox County, Maine
→1979Main Street Historic District — Damariscotta, Lincoln County, Maine
→1989Main Street Historic District — Auburn, Androscoggin County, Maine
→1991Main Street Historic District — Fryeburg, Oxford County, Maine
→2012Main Street Historic District (Boundary Increase) — Rockland, Knox County, Maine
→2001Main Street Historic District (Boundary Increase) — Damariscotta, Lincoln County, Maine
→2009Main Street-Frye Street Historic District — Lewiston, Androscoggin County, Maine
→1988Maine Central Railroad General Office Building — Portland, Cumberland County, Maine
→1990Maine Experiment Station Barn — Orono, Penobscot County, Maine
→1986Maine Eye and Ear Infirmary — Portland, Cumberland County, Maine
→1980Maine Historical Society — Portland, Cumberland County, Maine
→2003Maine Industrial School for Girls Historic District — Hallowell, Kennebec County, Maine
→1982Maine Insane Hospital — Augusta, Kennebec County, Maine
→2001Maine Insane Hospital (Boundary Increase) — Augusta, Kennebec County, Maine
→1990Maine Publicity Bureau Building — Portland, Cumberland County, Maine
→2022Maine Spinning Company Mill — Skowhegan, Somerset County, Maine
→1974Maine State Building — Poland, Androscoggin County, Maine
→1973Maine State House — Augusta, Kennebec County, Maine
→1986Maine Supply Company Building — Lewiston, Androscoggin County, Maine
→1980Maine Trolley Cars — Kennebunkport, York County, Maine
→1980Maine Woods Office — Phillips, Franklin County, Maine
→1991Mallett Hall — Pownal Center, Cumberland County, Maine
→1993Mallett Hall — Lee, Penobscot County, Maine
→1982Mallett, E. B., Office Building — Freeport, Cumberland County, Maine
→2002Manana Island Fog Signal Station — Monhegan Island, Knox County, Maine
→1998Manley, Joseph and Susan, Summer Cottage — Small Point, Sagadahoc County, Maine
→1989Mann, Arthur L., Memorial Library — West Paris, Oxford County, Maine
→1993Manning, Richard, House — South Casco, Cumberland County, Maine
→1978Manor House — Naples, Cumberland County, Maine
→1973Mansion House, The — Robbinston, Washington County, Maine
→1990Mansur, Walter P., House — Houlton, Aroostook County, Maine
→1986Manufacturer's National Bank — Lewiston, Androscoggin County, Maine
→2000Maple Grove Friends Church — Maple Grove, Aroostook County, Maine
→1991Maplewood Farm — South Windham, Cumberland County, Maine
→1985Marcotte Nursing Home — Lewiston, Androscoggin County, Maine
→1974Marine Hospital — Portland, Cumberland County, Maine
→1973Mariner's Church — Portland, Cumberland County, Maine
→1980Market Square Historic District — Houlton, Aroostook County, Maine
→1974Marrett, Daniel, House — Standish, Cumberland County, Maine
→2013Marsh School — Prospect, Waldo County, Maine
→1988Marshall Point Light Station — Port Clyde, Knox County, Maine
→1983Martel, Dr. Louis J., House — Lewiston, Androscoggin County, Maine
→2009Martin, Isaie and Scholastique, House — Madawaska, Aroostook County, Maine
→2019MARY E. (Schooner) — Bath, Sagadahoc County, Maine
→1972Mason, Dr. Moses, House — Bethel, Oxford County, Maine
→1986Masonic Hall — Augusta, Kennebec County, Maine
→1982Masonic Temple — Portland, Cumberland County, Maine
→1973Masonic Temple — Belfast, Waldo County, Maine
→1971Massachusetts Hall, Bowdoin College — Brunswick, Cumberland County, Maine
→1988Matinicus Rock Light Station — Matinicus Island, Knox County, Maine
→2004Maxcy, Joseph and Hannah, Homestead — Union, Knox County, Maine
→1976May, Sophie, House — Norridgewock, Somerset County, Maine
→1989McCleary Farm — Strong, Franklin County, Maine
→1977McCobb-Hill-Minott House — Phippsburg, Sagadahoc County, Maine
→1993McCurdy Smokehouse — Lubec, Washington County, Maine
→2015McElwain House — Caribou, Aroostook County, Maine
→1983McGilvery, Capt. John, House — Searsport, Waldo County, Maine
→1983McGilvery, Capt. William, House — Searsport, Waldo County, Maine
→1990McGlashan--Nickerson House — Red Beach, Washington County, Maine
→1968McIntire Garrison House ★ NHL — York, York County, Maine
→2000McLaughlin House and Garden — South Paris, Oxford County, Maine
→1972McLellan House — Gorham, Cumberland County, Maine
→1970McLellan-Sweat Mansion ★ NHL — Portland, Cumberland County, Maine
→1987McWain--Hall House — Waterford, Oxford County, Maine
→1985Means, Emily, House — South Bristol, Lincoln County, Maine
→1980Mechanic Institute — Rumford, Oxford County, Maine
→1973Mechanics' Hall — Portland, Cumberland County, Maine
→2018Memorial Chapel — Berwick, York County, Maine
→1977Memorial Hall — Oakland, Kennebec County, Maine
→1993Mequnticook Golf Club — Rockport, Knox County, Maine
→1991MERCANTILE (schooner) ★ NHL — Camden, Knox County, Maine
→1990MERCANTILE (two-masted schooner) — Camden, Knox County, Maine
→2007Mercer Union Meetinghouse — Mercer, Somerset County, Maine
→2019Merriconeag Grange No. 425 — Harpswell, Cumberland County, Maine
→1979Merriconegan Farm — Harpswell, Cumberland County, Maine
→1980Merrill Hall — Farmington, Franklin County, Maine
→1976Merrill-Poor House — Andover, Oxford County, Maine
→1974Merrill, Capt. Reuben, House — Yarmouth, Cumberland County, Maine
→1999Merrill, Capt. Reuel and Lucy, House — Cumberland Center Station, Cumberland County, Maine
→1985Merritt, Captain, House — Bath, Sagadahoc County, Maine
→1990Michaud, Fortunat O., House — Van Buren, Aroostook County, Maine
→1998Middle Intervale Meeting House and Common — Bethel, Oxford County, Maine
→1989Milford Congregational Church — Milford, Penobscot County, Maine
→1983Mill Agent's House — North Vassalboro, Kennebec County, Maine
→2012Mill at Freedom Falls — Freedom, Waldo County, Maine
→2000Mill Cove School — Bath, Sagadahoc County, Maine
→1979Mill House — Ogunquit, York County, Maine
→2023Miller's Garage — Rockland, Knox County, Maine
→1989Milo Public Library — Milo, Piscataquis County, Maine
→1979Minott, William, House — Portland, Cumberland County, Maine
→1978Mitchell House — Yarmouth, Cumberland County, Maine
→1980Monhegan Island Lighthouse and Quarters — Monhegan Island, Lincoln County, Maine
→2012Monson Community Church — Monson, Piscataquis County, Maine
→2005Monson Engine House (Former) — Monson, Piscataquis County, Maine
→2000Monticello Grange #338 — Monticello, Aroostook County, Maine
→2012Montville Town House — Montville, Waldo County, Maine
→2002Moody Farm — Searsmont, Waldo County, Maine
→1975Moody Homestead — York, York County, Maine
→2006Moody Mansion — Pittston, Kennebec County, Maine
→2001Moore, Henry D., Parish House and Library — Steuben, Washington County, Maine
→1979Moore, John, House — Edgecomb, Lincoln County, Maine
→1998Moose River Congregational Church — Jackman, Somerset County, Maine
→1978Morison, Capt. James, House — Parsonsfield, York County, Maine
→1976Morrell House — North Berwick, York County, Maine
→1974Morrill, Lot, House — Augusta, Kennebec County, Maine
→1973Morse & Co. Office Building — Bangor, Penobscot County, Maine
→2015Morse Bridge — Bangor, Penobscot County, Maine
→1970Morse-Libby Mansion ★ NHL — Portland, Cumberland County, Maine
→1991Mortland Family Farm — Searsport, Waldo County, Maine
→1983Mosquito Island House — St.George, Knox County, Maine
→1988Mount Desert Light Station — Frenchboro, Hancock County, Maine
→1974Mount Hope Cemetery District — Bangor, Penobscot County, Maine
→2019Mt. Battie Tower — Camden, Knox County, Maine
→1980Municipal Building — Rumford, Oxford County, Maine
→1980Munroe, Horace, House — Auburn, Androscoggin County, Maine
→1993Murch Family House — Vinalhaven, Knox County, Maine
→1984Nannau — Bar Harbor, Hancock County, Maine
→1987Narraguagus Light Station — Milbridge, Washington County, Maine
→1983Nash, William M., House — Cherryfield, Washington County, Maine
→2003Nazi Spy Landing Site — Hancock Point, Hancock County, Maine
→1992Nelson Family Farm — Livermore, Androscoggin County, Maine
→1974New Gloucester Historic District — New Gloucester, Cumberland County, Maine
→1970New Portland Wire Bridge — New Portland, Somerset County, Maine
→2015New Sharon Bridge — New Sharon, Franklin County, Maine
→1985New Sharon Congregational Church — New Sharon, Franklin County, Maine
→1985Newfield (Willowbrook) Historic District — Newfield, York County, Maine
→1983Nichols, Capt. John P., House — Searsport, Waldo County, Maine
→1970Nickels-Sortwell House ★ NHL — Wiscasset, Lincoln County, Maine
→1986Noble Block — Augusta, Kennebec County, Maine
→1969Nordica Homestead — Farmington, Franklin County, Maine
→1969Norlands, The — Livermore, Androscoggin County, Maine
→1996Norridgewock Female Academy — Norridgewock, Somerset County, Maine
→1982Norridgewock Free Public Library — Norridgewock, Somerset County, Maine
→1983North Berwick Woolen Mill — North Berwick, York County, Maine
→1974North Jay Grange Store — North Jay, Franklin County, Maine
→2017North Monmouth Library — Monmouth, Kennebec County, Maine
→1995North Newport Christian Church — North Newport, Penobscot County, Maine
→1982North School — Portland, Cumberland County, Maine
→1986North Waterford Congregational Church — North Waterford, Oxford County, Maine
→1975North Yarmouth Academy — Yarmouth, Cumberland County, Maine
→1978North Yarmouth and Freeport Baptist Meetinghouse — Yarmouth, Cumberland County, Maine
→2004Norton House Historic District — Falmouth, Cumberland County, Maine
→1982Norton, William F., House — Kingfield, Franklin County, Maine
→2015Norton's Corner School — Willimantic, Piscataquis County, Maine
→1974Norumbega — Camden, Knox County, Maine
→1982Norumbega Carriage House — Camden, Knox County, Maine
→1988Norway Opera House — Norway, Oxford County, Maine
→1974Nutting Homestead, The — Otisfield, Oxford County, Maine
→1976Oak Street School — Lewiston, Androscoggin County, Maine
→2023Oakfield Grange, #414 — Oakfield, Aroostook County, Maine
→1987Oakfield Station — Oakfield, Aroostook County, Maine
→2000Oakland Public Library — Oakland, Kennebec County, Maine
→1973Oaklands — Gardiner, Kennebec County, Maine
→1998Observer Building — Dover-Foxcroft, Piscataquis County, Maine
→1982Ocean Park Historic Buildings — Ocean Park, York County, Maine
→1986Odd Fellows Block — Lewiston, Androscoggin County, Maine
→1983Odd Fellows-Rebekah Hall — Cornish, York County, Maine
→1986Off-the-Neck Historic District — Castine, Hancock County, Maine
→1983Ogunquit Memorial Library — Ogunquit, York County, Maine
→1995Ogunquit Playhouse — Ogunquit, York County, Maine
→1985Old Fire Engine House — Orono, Penobscot County, Maine
→1975Old Grist Mill — East Lebanon, York County, Maine
→1977Old Hancock County Buildings — Ellsworth, Hancock County, Maine
→1973Old Point and Sebastian Rale Monument — Madison, Somerset County, Maine
→1974Old Post Office — Augusta, Kennebec County, Maine
→1973Old Post Office — Liberty, Waldo County, Maine
→2020Old Red Store — Tremont, Hancock County, Maine
→1973Old Schoolhouse — York, York County, Maine
→1986Old Tavern — Burlington, Penobscot County, Maine
→2002Old Town House — Parsonsfield, York County, Maine
→1973Old Union Meetinghouse — Farmington, Franklin County, Maine
→1968Old York Gaol ★ NHL — York, York County, Maine
→1976Olmsted, Frederick Law, Summer Home — Sunset, Hancock County, Maine
→1995Olson House ★ NHL — South Cushing, Knox County, Maine
→1996Olsson, Anders and Johanna, Farm — New Sweden, Aroostook County, Maine
→1984Oquossoc Log Church — Rangeley, Franklin County, Maine
→1999Orgone Energy Observatory — Rangeley, Franklin County, Maine
→1977Orono Main Street Historic District — Orono, Penobscot County, Maine
→2022Orr's Island Meeting House — Harpswell, Cumberland County, Maine
→1986Osgood Building — Lewiston, Androscoggin County, Maine
→1990Osgood Family House — Fryeburg, Oxford County, Maine
→1985Osgood, Nathaniel, House — Durham, Androscoggin County, Maine
→2005Otisfield Town House (Former) — Otisfield, Oxford County, Maine
→2020Otisfield Town Pound — Otisfield, Oxford County, Maine
→1973Our Lady of Mount Carmel Catholic Church — Grand Isle, Aroostook County, Maine
→1978Owls Head Light Station — Owls Head, Knox County, Maine
→1994Oxford Congregational Church and Cemetery — Oxford, Oxford County, Maine
→1985Paine Neighborhood Historic District — Standish, Cumberland County, Maine
→1973Paris Hill Historic District — Paris Hill, Oxford County, Maine
→1989Paris Public Library — South Paris, Oxford County, Maine
→1972Park Street Row — Portland, Cumberland County, Maine
→2004Parker House — Bluee Hill, Hancock County, Maine
→2005Parson's Bend — Alna, Lincoln County, Maine
→2005Parsons--Piper--Lord--Roy Farm — Parsonsfield, York County, Maine
→1982Parsons, Josiah K., Homestead — Wiscasset, Lincoln County, Maine
→1987Parsons, Marion, House — Fryeburg, Oxford County, Maine
→1983Parsons, Stephen, House — Edgecomb, Lincoln County, Maine
→1986Parsonsfield Seminary — Parsonsfield, York County, Maine
→2001Patch, Edith Marion, House — Old Town, Penobscot County, Maine
→1978Patten Building — Cherryfield, Washington County, Maine
→1998Paul Family Farm — Eliot, York County, Maine
→2005Payson House at Thornhurst — Falmouth, Cumberland County, Maine
→1976Peabody Tavern — Gilead, Oxford County, Maine
→1989Peabody--Fitch House — South Bridgton, Cumberland County, Maine
→1986Peacock Tavern — Richmond, Sagadahoc County, Maine
→1982Peavey Memorial Library — Eastport, Washington County, Maine
→1993Pebbledene — York Beach, York County, Maine
→2009Peck, Bradford, House — Lewiston, Androscoggin County, Maine
→1974Pejepscot Paper Company — Topsham, Sagadahoc County, Maine
→1985Pemaquid Point Light — Bristol, Lincoln County, Maine
→1983Pendle Hill — China, Kennebec County, Maine
→1995Pendleton, James G., House — Searsport, Waldo County, Maine
→1982Pennell Institute — Gray, Cumberland County, Maine
→1985Pennellville Historic District — Brunswick, Cumberland County, Maine
→2002Penney, Samuel, House — Mechanics Falls, Androscoggin County, Maine
→1970Penobscot Marine Museum — Searsport, Waldo County, Maine
→1997Penobscot Marine Museum (Boundary Increase) — Searsport, Waldo County, Maine
→1976Penobscot Salmon Club and Pool — North Brewer, Penobscot County, Maine
→1973Pepperrell, William, House — Kittery Point, York County, Maine
→1971Percy and Small Shipyard — Bath, Sagadahoc County, Maine
→1999Percy District School House, (Former) — Parker Head, Sagadahoc County, Maine
→2018Perkins Homestead ★ NHL — Newcastle, Lincoln County, Maine
→1988Perkins Island Light Station — Georgetown, Sagadahoc County, Maine
→2023Perkins Tide Mill — Kennebunkport, York County, Maine
→1979Perkins, Charles, House — Ogunquit, York County, Maine
→1969Perkins, John, House — Castine, Hancock County, Maine
→1979Perley, Sam, Farm — Naples, Cumberland County, Maine
→1979Perry, Clark, House — Machias, Washington County, Maine
→1975Perry, William F., House — Bridgton, Cumberland County, Maine
→1983Peters, John, House — Blue Hill, Hancock County, Maine
→1987Petit Manan Light Station — Milbridge, Washington County, Maine
→1994Pettegrove, Joshua, House — Red Reach, Washington County, Maine
→1970Pettengill House and Farm — Freeport, Cumberland County, Maine
→2013Phi Gamma Delta House — Orono, Penobscot County, Maine
→1995Philbrook, John M., House — Bethel, Oxford County, Maine
→1995Philbrook, Samuel D., House — Bethel, Oxford County, Maine
→1985Philler Cottage — Islesboro, Waldo County, Maine
→2021Phillips High School — Phillips, Franklin County, Maine
→2007Pike, LeRoy F., Memorial Building — Cornish, York County, Maine
→1995Pike's Mile Markers — Calais, Washington County, Maine
→2022Pilley House — Brooks, Waldo County, Maine
→1983Pilsbury Block — Lewiston, Androscoggin County, Maine
→1983Pittsfield Public Library — Pittsfield, Somerset County, Maine
→1980Pittsfield Railroad Station — Pittsfield, Somerset County, Maine
→1983Pittsfield Universalist Church — Pittsfield, Somerset County, Maine
→1978Pittston Congregational Church — Pittston, Kennebec County, Maine
→2000Pittston Farm — Pittston Academy Grant, Somerset County, Maine
→1999Pleasant River Grange No. 492 — Vinalhaven, Knox County, Maine
→2009Plummer, Capt. John, House — Addison, Washington County, Maine
→1980Poland Railroad Station — Poland, Androscoggin County, Maine
→1999Poland Spring Beach House, (Former) — South Poland, Androscoggin County, Maine
→1984Poland Spring Bottling Plant and Spring House — Poland, Androscoggin County, Maine
→2013Poland Spring Historic District — Poland, Androscoggin County, Maine
→1983Pond Meeting House — China, Kennebec County, Maine
→1996Porteous, Mitchell and Braun Company Building — Portland, Cumberland County, Maine
→1978Porter Memorial Library — Machias, Washington County, Maine
→1973Porter Old Meetinghouse — Porter, Oxford County, Maine
→1980Porter-Bell-Brackley Estate — Strong, Franklin County, Maine
→1970Porter-Parsonfield Bridge — Porter, Oxford County, Maine
→1973Portland Breakwater Light — South Portland, Cumberland County, Maine
→1973Portland City Hall — Portland, Cumberland County, Maine
→1985Portland City Hospital — Portland, Cumberland County, Maine
→1973Portland Club — Portland, Cumberland County, Maine
→1973Portland Headlight — Cape Elizabeth, Cumberland County, Maine
→1984Portland High School — Portland, Cumberland County, Maine
→1973Portland Observatory ★ NHL — Portland, Cumberland County, Maine
→1996Portland Packing Company Factory — Portland, Cumberland County, Maine
→1991Portland Railroad Company Substation — West Scarborough, Cumberland County, Maine
→1998Portland Soldiers and Sailors Monument — Portland, Cumberland County, Maine
→1974Portland Waterfront — Portland, Cumberland County, Maine
→2012Portland Waterfront (Boundary Increase) — Portland, Cumberland County, Maine
→1984Portland Waterfront Historic District (Boundary Increase) — Portland, Cumberland County, Maine
→1975Portsmouth Company Cotton Mills: Counting House — South Berwick, York County, Maine
→1977Portsmouth Naval Shipyard — Kittery, York County, Maine
→1970Pote, Capt. Greenfield, House — Freeport, Cumberland County, Maine
→2002Powder House Lot — Hallowell, Kennebec County, Maine
→1979Powers House — Sidney, Kennebec County, Maine
→1980Powers, Peter, House — Deer Isle, Hancock County, Maine
→2004Pownal Cattle Pound — Pownal, Cumberland County, Maine
→1970Pownalborough Courthouse — Dresden, Lincoln County, Maine
→1985Prescott, J. L., House — North Berwick, York County, Maine
→1986Presque Isle National Bank — Presque Isle, Aroostook County, Maine
→1977Pressey House — Oakland, Kennebec County, Maine
→1973Primrose Hill Historic District — Belfast, Waldo County, Maine
→1999Prince, Cushing and Hannah, House — Yarmouth, Cumberland County, Maine
→1982Professional Building — Waterville, Kennebec County, Maine
→2001Proprietors Meeting House and Parish House — S. Buxton, Cumberland County, Maine
→1988Prospect Harbor Light Station — Prospect Harbor, Hancock County, Maine
→1986Prouty, Jed, Tavern and Inn — Bucksport, Hancock County, Maine
→1988Pumpkin Island Light Station — Sargentville, Hancock County, Maine
→1985Purington, Elisha, House — Falmouth, Cumberland County, Maine
→1989Purinton Family Farm — Topsham, Sagadahoc County, Maine
→1976Putnam, Blackhawk, Tavern — Houlton, Aroostook County, Maine
→2008Pythian Opera House — Boothbay Harbor, Lincoln County, Maine
→1990Quimby, Dr. Samuel, House — Mount Vernon, Kennebec County, Maine
→1978Quincy Building — Hinckley, Somerset County, Maine
→1973Rackleff Building — Portland, Cumberland County, Maine
→1988Ram Island Ledge Light Station — Cape Elizabeth, Cumberland County, Maine
→1988Ram Island Light Station — Boothbay Harbor, Lincoln County, Maine
→1973Ramsdell, Hiram, House — Farmington, Franklin County, Maine
→2004Randall-Hildreth House — Topsham, Sagadahoc County, Maine
→1979Randall, Jacob, House — Pownal, Cumberland County, Maine
→2018Rangeley Tavern — Rangeley, Franklin County, Maine
→1989Rangeley Trust Company Building — Rangeley, Franklin County, Maine
→1978Rangley Public Library — Rangely, Franklin County, Maine
→1978Rankin Block — Rockland, Knox County, Maine
→1988Raventhorp — Southwest Harbor, Hancock County, Maine
→1982Readfield Union Meeting House — Readfield, Kennebec County, Maine
→2011Record, E.C. and M.I., Homestead — Buckfield, Oxford County, Maine
→2015Record, Judson, House — Livermore Falls, Androscoggin County, Maine
→1970Red Brick School — Wiscasset, Lincoln County, Maine
→1978Redington House — Waterville, Kennebec County, Maine
→1978Redwood — Bar Harbor, Hancock County, Maine
→2001Reed School — North Amity, Aroostook County, Maine
→2017Reed, Co. Isaac G., House — Waldoboro, Lincoln County, Maine
→1986Reed, Philo, House — Fort Fairfield, Aroostook County, Maine
→1982Reed, Robert, House — Woolrich, Sagadahoc County, Maine
→1973Reed, Thomas Brackett, House ★ NHL — Portland, Cumberland County, Maine
→2021Rendezvous Point Burying Ground — Saco, York County, Maine
→1982Reverie Cove — Bar Harbor, Hancock County, Maine
→1979Rice Public Library — Kittery, York County, Maine
→1979Richards, Laura, House — Gardiner, Kennebec County, Maine
→1974Richardson House — Brunswick, Cumberland County, Maine
→2020Richmond Historic District — Richmond, Sagadahoc County, Maine
→1988Riggs--Zorach House — Georgetown, Sagadahoc County, Maine
→1988Riggs, Benjamin, House — Georgetown, Sagadahoc County, Maine
→1977River Meetinghouse — Vassalboro, Kennebec County, Maine
→2008Rivercroft Farm — Fryeburg, Oxford County, Maine
→2001Riverview House — Vassalboro, Kennebec County, Maine
→1982Roak Block — Auburn, Androscoggin County, Maine
→1992Robertson Quarry Galamander — West Franklin, Hancock County, Maine
→2016Robinhood Free Meetinghouse — Georgetown, Sagadahoc County, Maine
→1982Robinson-Parsons Farm — Paris, Oxford County, Maine
→1971Robinson, Edward Arlington, House ★ NHL — Gardiner, Kennebec County, Maine
→1993Robinson, William A., House — Auburn, Androscoggin County, Maine
→1970Robyville Bridge — Robyville, Penobscot County, Maine
→2008Rock Rest — Kittery, York County, Maine
→2003Rockland Breakwater — Rockland, Knox County, Maine
→1981Rockland Breakwater Lighthouse — Rockland, Knox County, Maine
→1979Rockland Public Library — Rockland, Knox County, Maine
→1978Rockland Railroad Station — Rockland, Knox County, Maine
→1987Rockland Residential Historic District — Rockland, Knox County, Maine
→1993Rockland Turntable and Engine House — Rockland, Knox County, Maine
→1976Rockport Historic District — Rockport, Knox County, Maine
→1970Rockport Historic Kiln Area — Rockport, Knox County, Maine
→1992Roosevelt School — St. John, Aroostook County, Maine
→2007Roosevelt School — Hamlin, Aroostook County, Maine
→2001Ropes End — Phippsburg, Sagadahoc County, Maine
→1975Rose, Robert, Tavern — York, York County, Maine
→1970Row House — Hallowell, Kennebec County, Maine
→1970Ruggles House — Columbia Falls, Washington County, Maine
→2017Rumford Commercial Historic District — Rumford, Oxford County, Maine
→1980Rumford Falls Power Company Building — Rumford, Oxford County, Maine
→1985Rumford Point Congregational Church — Rumford, Oxford County, Maine
→1989Rumford Public Library — Rumford, Oxford County, Maine
→2004Rural Hall — Surry, Hancock County, Maine
→1983Russwurm, John B., House — Portland, Cumberland County, Maine
→1999Ryefield Bridge — Stuarts Corner, Cumberland County, Maine
→2013Saco Central Fire Station — Saco, York County, Maine
→1979Saco City Hall — Saco, York County, Maine
→1983Saco High School (old) — Saco, York County, Maine
→1998Saco Historic District — Saco, York County, Maine
→1988Saddleback Ledge Light Station — Vinalhaven, Knox County, Maine
→1977Sail Loft — Tenants Harbor, Knox County, Maine
→1986Saint Jude's Episcopal Church — Seal Harbor, Hancock County, Maine
→1987Saint Mary's General Hospital — Lewiston, Androscoggin County, Maine
→1995Saint Saviour's Episcopal Church and Rectory — Bar Harbor, Hancock County, Maine
→2005Salem Town House (Former) — Salem, Franklin County, Maine
→1987Salmon Falls (East) Historic District — Buxton, York County, Maine
→1987Salmon Falls (West) Historic District — Hollis, York County, Maine
→2009Sanford Mills Historic District — Sanford, York County, Maine
→2023Sanford Naval Air Station Administration Building--Control Tower, Former — South Sanford, York County, Maine
→2007Sanford Town Hall (Former) — Springvale, York County, Maine
→1991Sangerville Town Hall — Sangerville, Piscataquis County, Maine
→1996Sargent--Roberts House — Bangor, Penobscot County, Maine
→1982Sargent, Daniel House — Brewer, Penobscot County, Maine
→1987Sargent, Levi, House — Otisfield, Oxford County, Maine
→1978Savings Bank Block — Lewiston, Androscoggin County, Maine
→2007Scarborough High School — Scarborough, Cumberland County, Maine
→2016Schlotterbeck and Foss Building — Portland, Cumberland County, Maine
→2017Schoodic Peninsula Historic District — Winter Harbor, Acadia National Park, Hancock County, Maine
→1972Scott, Capt. George, House — Wiscasset, Lincoln County, Maine
→2001Scribner Homestead — Bolsters Mills, Cumberland County, Maine
→2009Sea Change — Northeast Harbor, Hancock County, Maine
→1985Seal Harbor Congregational Church — Seal Harbor, Hancock County, Maine
→1979Searsport Historic District — Searsport, Waldo County, Maine
→1985Seaverns, George, House — Mechanic Falls, Androscoggin County, Maine
→1986Seavey--Robinson House — South Portland, Cumberland County, Maine
→1978Seavey, A. B., House — Saco, York County, Maine
→2007Seawall Campground — Bar Harbor, Hancock County, Maine
→1986Second Callahan Block — Lewiston, Androscoggin County, Maine
→1979Second Congregational Church — Newcastle, Lincoln County, Maine
→1978Security Trust Building — Rockland, Knox County, Maine
→1976Sedgley, John, Homestead — York Corner, York County, Maine
→1995Sedgwick Historic District — Sedgwick, Hancock County, Maine
→1977Seguin Island Light Station — Georgetown, Sagadahoc County, Maine
→1983Sellers, Salome, House — Deer Isle, Hancock County, Maine
→2015SEQUIN (tugboat) — Bath, Sagadahoc County, Maine
→2016Seton, Elizabeth Ann, Hospital — Waterville, Kennebec County, Maine
→2011Seven Star Grange, No. 73 — Troy, Waldo County, Maine
→1982Sewall, William, House — Island Falls, Aroostook County, Maine
→2012Sewell Memorial Congregational Church — Robbinston, Washington County, Maine
→1974Shaker Church Family Barns ★ NHL — Sabbathday Lake and vicinity, Cumberland County, Maine
→2013Shaw, William M., House — Greenville, Piscataquis County, Maine
→1975Shiloh Temple — Lisbon Falls, Androscoggin County, Maine
→2000Shore Acres — Lamoine Beach, Hancock County, Maine
→2023Shurtleff, Jonas R., House — Winslow, Kennebec County, Maine
→2019Singhi Double House — Rockland, Knox County, Maine
→1973Skelton, Thomas, House — Falmouth, Cumberland County, Maine
→1983Skowhegan Fire Station — Skowhegan, Somerset County, Maine
→1983Skowhegan Free Public Library — Skowhegan, Somerset County, Maine
→1982Skowhegan Historic District — Showhegan, Somerset County, Maine
→1995Slate House — Brownville, Piscataquis County, Maine
→1999Small Point Club — Small Point, Sagadahoc County, Maine
→1998Smith--Emery House — Springvale, York County, Maine
→1974Smith, F.O.J., Tomb — Portland, Cumberland County, Maine
→1980Smith, George W., Homestead — Mattawamkeag, Penobscot County, Maine
→1982Smith, James, Homestead — Kennebunk, York County, Maine
→1973Smith, Parson, House — South Windham, Cumberland County, Maine
→1974Smith, Zebulon, House — Bangor, Penobscot County, Maine
→2007Sodergren, John J. and Martha, Homestead — Stockholm, Aroostook County, Maine
→1992Soderholtz, Eric E., Cottage — West Gouldsboro, Hancock County, Maine
→2008Soldiers Memorial Library — Hiram, Oxford County, Maine
→1984Somerset Academy — Athens, Somerset County, Maine
→1984Somerset County Courthouse — Skowhegan, Somerset County, Maine
→1975Somesville Historic District — Mount Desert, Hancock County, Maine
→1970Songo Lock — Naples, Cumberland County, Maine
→1995Sorrento Library — Sorrento, Hancock County, Maine
→2019Sound Schoolhouse — Mount Desert, Hancock County, Maine
→2010South Berwick Village Historic District — South Berwick, York County, Maine
→1987South Bridgton Congregational Church — South Bridgton, Cumberland County, Maine
→1983South China Meeting House — China, Kennebec County, Maine
→1980South Parish Congregational Church and Parish House — Augusta, Kennebec County, Maine
→1980South Solon Meetinghouse — Solon, Somerset County, Maine
→1988South Street Historic District — Gorham, Cumberland County, Maine
→1972Southard Block — Richmond, Sagadahoc County, Maine
→1982Sparrow House — Portland, Cumberland County, Maine
→1978Spaulding House — Norridgewock, Somerset County, Maine
→1974Spite House — Rockport, Knox County, Maine
→1988Spring Point Ledge Light Station — South Portland, Cumberland County, Maine
→2020Spring Street Historic District — Portland, Cumberland County, Maine
→2000Springdale Farm — Burnham, Waldo County, Maine
→1978Springfield Congregational Church — Springfield, Penobscot County, Maine
→1978Sproul Homestead — South Bristol, Lincoln County, Maine
→1982Sproul's Cafe — Bar Harbor, Hancock County, Maine
→2007Spruce Point Camps — Mount Vernon, Kennebec County, Maine
→2014Sprucewold Lodge — Boothbay Harbor, Lincoln County, Maine
→1970Spurwink Congregational Church — Cape Elizabeth, Cumberland County, Maine
→1985Squire Tarbox House — Westport, Lincoln County, Maine
→1988Squirrel Point Light Station — Phippsburg, Sagadahoc County, Maine
→2015St. Andre's Parish — Biddeford, York County, Maine
→1976St. Andrew's Church — Newcastle, Lincoln County, Maine
→1973St. Anne's Church and Mission Site — Old Town, Penobscot County, Maine
→1982St. Anne's Episcopal Church — Calais, Washington County, Maine
→1966St. Croix Island International Historic Site — St. Croix Junction, Washington County, Maine
→1977St. Cyril and St. Methodius Church — Lisbon Falls, Androscoggin County, Maine
→1973St. David Catholic Church — Madawaska, Aroostook County, Maine
→1976St. Denis Catholic Church — North Whitefield, Lincoln County, Maine
→1998St. Edward's Convent, (Former) — Bar Harbor, Hancock County, Maine
→2013St. Hyacinth School and Convent — Westbrook, Cumberland County, Maine
→1974St. James Episcopal Church — Old Town, Penobscot County, Maine
→2003St. John Catholic Church — St. John Plantation, Aroostook County, Maine
→1973St. John's Catholic Church — Bangor, Penobscot County, Maine
→1991St. John's Episcopal Church — Dresden Mills, Lincoln County, Maine
→2023St. Joseph's Academy and Convent — Portland, Cumberland County, Maine
→1989St. Joseph's Catholic Church — Lewiston, Androscoggin County, Maine
→1983St. Joseph's School — Biddeford, York County, Maine
→1979St. Lawrence Church — Portland, Cumberland County, Maine
→1984St. Mark's Episcopal Church — Augusta, Kennebec County, Maine
→1987St. Mary's Church — Augusta, Kennebec County, Maine
→2000St. Mary's-By-The-Sea — Northeast Harbor, Hancock County, Maine
→1973St. Patrick's Catholic Church — Newcastle, Lincoln County, Maine
→1978St. Paul's Church and Rectory — Portland, Cumberland County, Maine
→1978St. Paul's Episcopal Church — Brunswick, Cumberland County, Maine
→1999St. Peter's By-The-Sea Protestant Episcopal Church — Cape Neddick, York County, Maine
→2019Stage Island Monument — Biddeford, York County, Maine
→1993Standish Corner Historic District — Standish, Cumberland County, Maine
→1973Stanwood Homestead — Ellsworth, Hancock County, Maine
→1987Staples Inn — Old Orchard Beach, York County, Maine
→1982Star of Hope Lodge — Vinalhaven, Knox County, Maine
→1985State Reform School Historic District — South Portland, Cumberland County, Maine
→2009Stearns Hill Farm — West Paris, Oxford County, Maine
→2004Steep Falls Library — Steep Falls, Cumberland County, Maine
→1984STEPHEN TABER (schooner) ★ NHL — Camden, Knox County, Maine
→1981Stetson Union Church — Stetson, Penobscot County, Maine
→1973Stevens, John Calvin, House — Portland, Cumberland County, Maine
→2023Steward--Emery House — North Anson, Somerset County, Maine
→1974Stewart Free Library — Corinna, Penobscot County, Maine
→1992Stimson Memorial Hall — Gray, Cumberland County, Maine
→1985Stockton Springs Community Church — Stockton Springs, Waldo County, Maine
→2001Stone Barn Farm — Salsbury Cove, Hancock County, Maine
→1984Stone House — Bridgton, Cumberland County, Maine
→1977Stone Schoolhouse — Georgetown, Sagadahoc County, Maine
→2003Stone, Capt. Nataniel, House — Farmingdale, Kennebec County, Maine
→1983Stone, Elisha F., House — South Paris, Oxford County, Maine
→1991Stonington Opera House — Stonington, Hancock County, Maine
→2018Stover, Capt. Johnson H. Jr., House — Harpswell, Cumberland County, Maine
→1966Stowe, Harriet Beecher, House ★ NHL — Brunswick, Cumberland County, Maine
→2004Strand Theatre — Rockland, Knox County, Maine
→1980Strathglass Building — Rumford, Oxford County, Maine
→1974Strathglass Park District — Rumford, Oxford County, Maine
→2020Straw House — Guilford, Piscataquis County, Maine
→1973Stroudwater Historic District — Portland, Cumberland County, Maine
→1983Sts. Peter and Paul Church — Lewiston, Androscoggin County, Maine
→1986Sturgis and Haskell Building — Augusta, Kennebec County, Maine
→1977Sturtevant Hall — Hebron, Oxford County, Maine
→1970Sunday River Bridge — Newry, Oxford County, Maine
→1984Sunnycroft — Limerick, York County, Maine
→1994Sunset Lodge — Stockholm, Aroostook County, Maine
→1991SURPRISE (schooner) — Camden, Knox County, Maine
→2008Surry Town Hall — Surry, Hancock County, Maine
→2020Surry Village School — Surry, Hancock County, Maine
→1995Swan Island Historic District — Richmond, Sagadahoc County, Maine
→1984Swedish Lutheran Church — Monson, Piscataquis County, Maine
→1972Symphony House — Bangor, Penobscot County, Maine
→1983Talbot, James R., House — East Machias, Washington County, Maine
→1982Tappan-Viles House — Augusta, Kennebec County, Maine
→2001Tarr--Eaton House — Harpswell Center, Cumberland County, Maine
→1980Tarr, John, House — Biddeford, York County, Maine
→1970Tate House ★ NHL — Stroudwater, Cumberland County, Maine
→1985Temple Intervale School — Temple, Franklin County, Maine
→1975Temple, The — Old Orchard Beach, York County, Maine
→1983Temples Historic District — North Anson, Somerset County, Maine
→1987Tenants Harbor Light Station — Tenants Harbor, Lincoln County, Maine
→1976Thacher-Goodale House — Saco, York County, Maine
→2002Thatcher, Henry Knox, House — Mercer, Somerset County, Maine
→1996The Birches — Belgrade Lakes, Kennebec County, Maine
→2020Thomas B. Reed School — Portland, Cumberland County, Maine
→1974Thomaston Historic District — Thomaston, Knox County, Maine
→1973Thompson Block — Portland, Cumberland County, Maine
→1974Thompson Icehouse — South Bristol, Lincoln County, Maine
→1991Thompson's Bridge — Allen's Mills, Franklin County, Maine
→1983Thorndike, George, House — South Thomaston, Knox County, Maine
→2018Tiffany Chapel — Sidney, Kennebec County, Maine
→1989Tiffany, George S., Cottage — Dark Harbor, Waldo County, Maine
→1990Tillson Farm Barn — Glen Cove, Knox County, Maine
→1983Tillson, Gen. Davis, House — Rockland, Knox County, Maine
→1992TIMBERWIND (Schooner) — Rockport, Knox County, Maine
→1973Timmerhuset — New Sweden, Aroostook County, Maine
→1980Todd House — Eastport, Washington County, Maine
→2012Togus VA Medical Center and National Cemetery — Augusta, Kennebec County, Maine
→2017Tolman Cemetery — Rockland, Knox County, Maine
→1992Topsham Fairgrounds Grandstand — Topsham, Sagadahoc County, Maine
→1978Topsham Historic District — Topsham, Sagadahoc County, Maine
→1975Topside — Brooksville, Hancock County, Maine
→1994Tracy--Causer Block — Portland, Cumberland County, Maine
→1998Traip, Robert and Louisa, House — Kittery Foreside, York County, Maine
→1979Tramway Historic District — Greenville, Piscataquis County, Maine
→2002Tranquility Grange No. 344 — Lincolnville Center, Waldo County, Maine
→1973Treat, Nathaniel, House — Orono, Penobscot County, Maine
→1978Trinity Episcopal Church — Lewiston, Androscoggin County, Maine
→2011Troy Meeting House — Troy, Waldo County, Maine
→2004Trufant Historic District — Bath, Sagadahoc County, Maine
→1979Tufts House — Farmington, Franklin County, Maine
→2009Turner Cattle Pound — Turner, Androscoggin County, Maine
→1979Turner Town House — Turner, Androscoggin County, Maine
→1974Turrets, The — Bar Harbor, Hancock County, Maine
→1973Two Cent Bridge — Waterville-Winslow, Kennebec County, Maine
→1974Two Lights — Cape Elizabeth, Cumberland County, Maine
→1974U.S. Courthouse — Portland, Cumberland County, Maine
→1973U.S. Customhouse — Portland, Cumberland County, Maine
→1974U.S. Customhouse — Kennebunkport, York County, Maine
→1970U.S. Customhouse (Old Customhouse) and Post Office — Wiscasset, Lincoln County, Maine
→1974U.S. Customhouse and Post Office — Waldoboro, Lincoln County, Maine
→1970U.S. Customhouse and Post Office — Bath, Sagadahoc County, Maine
→2014U.S. Inspection Station--Calais (Ferry Point), Maine — Calais, Washington County, Maine
→2014U.S. Inspection Station--Coburn Gore, Maine — Coburn Gore, Franklin County, Maine
→2014U.S. Inspection Station--Fort Fairfield, Maine — Fort Fairfield, Aroostook County, Maine
→2014U.S. Inspection Station--Limestone, Maine — Limestone, Aroostook County, Maine
→2014U.S. Inspection Station--Orient, Maine — Orient, Aroostook County, Maine
→1973U.S. Post Office — Biddeford, York County, Maine
→2006Ulmer, George, House — Lincolnville, Waldo County, Maine
→2005Underwood, Joseph H., House — Fayette, Kennebec County, Maine
→1986Union Block — Lewiston, Androscoggin County, Maine
→1980Union Church — Buckfield, Oxford County, Maine
→1988Union Church — North Harpswell, Cumberland County, Maine
→1989Union Church — Phillips, Franklin County, Maine
→1994Union Church — Naples, Cumberland County, Maine
→1998Union Church — Round Pond, Lincoln County, Maine
→2001Union Church — Durham, Androscoggin County, Maine
→1998Union Church of Northeast Harbor — Northeast Harbor, Hancock County, Maine
→1984Union Church of Vinalhaven — Vinalhaven, Knox County, Maine
→2000Union Church, (former) — Columbia Falls, Washington County, Maine
→1996Union Evangelical Church — Addison, Washington County, Maine
→1986Union Hall — Searsport, Waldo County, Maine
→1987Union Hall — Danforth, Washington County, Maine
→1985Union Hotel — Cundy's Harbor, Cumberland County, Maine
→2014Union Meeting House — Whiting, Washington County, Maine
→2014Union Meeting House, (Appleton) — Appleton, Knox County, Maine
→2002Union Meeting House, (Former) — Westport, Lincoln County, Maine
→1993Union School — Searsport, Waldo County, Maine
→2018Union School — Hartford, Oxford County, Maine
→2001Union Town House (Former) — Union, Knox County, Maine
→1987Unitarian Church of Houlton — Houlton, Aroostook County, Maine
→2018United Baptist Church — Charleston, Penobscot County, Maine
→1988Universalist Meeting House — New Gloucester, Cumberland County, Maine
→1978Universalist-Unitarian Church — Waterville, Kennebec County, Maine
→1978University of Maine at Orono Historic District — Orono, Penobscot County, Maine
→2010University of Maine Historic District Boundary Increase — Orono, Penobscot County, Maine
→1990Upper Dallas School — Dallas Plantation, Franklin County, Maine
→2000Upton Grange No. 404 (Former) — Upton, Oxford County, Maine
→1986US Post Office--Bar Harbor Main — Bar Harbor, Hancock County, Maine
→1986US Post Office--Camden Main — Camden, Knox County, Maine
→1986US Post Office--Lewiston Main — Lewiston, Androscoggin County, Maine
→1986US Post Office--Old Town Main — Old Town, Penobscot County, Maine
→1986US Post Office--Orono Main — Orono, Penobscot County, Maine
→1986US Post Office--Portland Main — Portland, Cumberland County, Maine
→1986US Post Office--Presque Isle Main — Presque Isle, Aroostook County, Maine
→1986US Post Office--Sanford Main — Sanford, York County, Maine
→1988Vallee Family House — Westbrook, Cumberland County, Maine
→1977Valley Lodge — Steep Falls, Cumberland County, Maine
→2020Vassalboro Mill — Vassalboro, Kennebec County, Maine
→1970Vaughan Homestead — Hallowell, Kennebec County, Maine
→1988Veazie, Jones P., House — Bangor, Penobscot County, Maine
→1984Vickery Building — Augusta, Kennebec County, Maine
→1996VICTORY CHIMES (Schooner) ★ NHL — Rockland, Knox County, Maine
→1982Vienna Town House — Vienna, Kennebec County, Maine
→2014Village School — Unity, Waldo County, Maine
→1970Vinalhaven Galamander, The — Vinalhaven, Knox County, Maine
→1989Vinalhaven Public Library — Vinalhaven, Knox County, Maine
→2022Vines, Richard, Monument — Biddeford, York County, Maine
→1974Wadsworth Hall — Hiram, Oxford County, Maine
→1966Wadsworth-Longfellow House ★ NHL — Portland, Cumberland County, Maine
→1986Waldo Theatre — Waldoboro, Lincoln County, Maine
→1976Waldoborough Town Pound — Waldoboro, Lincoln County, Maine
→1990Wales and Hamblen Store — Bridgton, Cumberland County, Maine
→1983Walker Memorial Hall — Bridgton, Cumberland County, Maine
→1980Walker Memorial Library — Westbrook, Cumberland County, Maine
→2019Walking Man Sign — Westbrook, Cumberland County, Maine
→1996Wallace, Everett, House — Milbridge, Washington County, Maine
→2004Wallingford Hall — Kennebunk, York County, Maine
→1976Walpole Meetinghouse — Walpole, Lincoln County, Maine
→1992Wardwell--Trickey Double House — Bangor, Penobscot County, Maine
→1974Warren Block — Westbrook, Cumberland County, Maine
→1983Warren, David, House — Hartford, Oxford County, Maine
→1982Washburn, George, House — Calais, Washington County, Maine
→1973Washburn, Gov. Israel, House — Orono, Penobscot County, Maine
→1976Washington County Courthouse — Machias, Washington County, Maine
→1988Washington County Jail — Machias, Washington County, Maine
→2022Wass. David and Hadassah. House — Addison, Washington County, Maine
→2012Waterboro Grange, No. 432 — Waterboro, York County, Maine
→1980Waterford Historic District — Waterford, Oxford County, Maine
→2011Waterford Historic District (Boundary Increase) — Waterford, Oxford County, Maine
→2010Waterville High School — Waterville, Kennebec County, Maine
→2012Waterville Main Street Historic District — Waterville, Kennebec County, Maine
→2016Waterville Main Street Historic District — Waterville, Kennebec County, Maine
→1976Waterville Opera House and City Hall — Waterville, Kennebec County, Maine
→1977Waterville Post Office — Waterville, Kennebec County, Maine
→1992Watkins House and Cabins — South Casco, Cumberland County, Maine
→2023Watson Settlement Bridge — Littleton, Aroostook County, Maine
→1974Watson, John, House — Hiram, Oxford County, Maine
→1995Way Way General Store — Saco, York County, Maine
→1976Wayne Town House — Wayne, Kennebec County, Maine
→2013Webb, John and Maria, House — Bridgton, Cumberland County, Maine
→2010Webster Grammar School — Auburn, Androscoggin County, Maine
→1989Webster Rubber Company Plant — Sabattus, Androscoggin County, Maine
→1998Webster, Moses, House — Vinalhaven, Knox County, Maine
→1986Wedgewood, Dr. Milton, House — Lewiston, Androscoggin County, Maine
→2002Welch, Andrew, Homestead — Parsonsfield, York County, Maine
→2007Weld Town Hall — Weld, Franklin County, Maine
→1979Wells Baptist Church Parsonage — Wells, York County, Maine
→1979Wells Homestead — Wells, York County, Maine
→1992WENDAMEEN (Yacht) — Camden, Knox County, Maine
→1998Wentworth, Mark F. and Eliza J., House — Kittery Foreside, York County, Maine
→2020West Auburn School — Auburn, Androscoggin County, Maine
→1995West Brooksville Congregational Church — West Brooksville, Hancock County, Maine
→2003West Durham Methodist Church — West Durham, Androscoggin County, Maine
→1990West Gouldsboro Union Church — West Gouldsboro, Hancock County, Maine
→1991West Gouldsboro Village Library — West Gouldsboro, Hancock County, Maine
→1975West Lebanon Historic District — West Lebanon, York County, Maine
→1979West Market Square Historic District — Bangor, Penobscot County, Maine
→2012West Paris Lodge No. 15, I.O.O.F. — West Paris, Oxford County, Maine
→1980West Quoddy Head Light Station — Lubec, Washington County, Maine
→1990West Quoddy Lifesaving Station — Lubec, Washington County, Maine
→1980West Street Historic District — Bar Harbor, Hancock County, Maine
→1977Westbrook College Historic District — Portland, Cumberland County, Maine
→1979Westbrook High School — Westbrook, Cumberland County, Maine
→1989Western Promenade — Portland, Cumberland County, Maine
→1984Western Promenade Historic District — Portland, Cumberland County, Maine
→1977Weston Homestead — Madison, Somerset County, Maine
→1979Weston, Daniel, Homestead — Medomak, Lincoln County, Maine
→1980Weston, Samuel, Homestead — Skowhegan, Somerset County, Maine
→2002Westport Community Church — Westport, Lincoln County, Maine
→1988Whaleback Light Station — Kittery Point, York County, Maine
→1991Wharf House — North Haven, Knox County, Maine
→1974Wheelwright Block — Bangor, Penobscot County, Maine
→1980White Memorial Building — Houlton, Aroostook County, Maine
→1986White, E. B., House — Brooklin, Hancock County, Maine
→1973White, James P., House — Belfast, Waldo County, Maine
→2007Whitefield Union Hall — Whitefield, Lincoln County, Maine
→1988Whitehead Lifesaving Station — Sprucehead, Knox County, Maine
→1988Whitehead Light Station — Tenants Harbor, Knox County, Maine
→1986Whitehouse Block — Augusta, Kennebec County, Maine
→1983Whiting, Samuel Kidder, House — Ellsworth, Hancock County, Maine
→1988Whitlocks Mill Light Station — Calais, Washington County, Maine
→1995Whitman Memorial Library — Bryant Pond, Oxford County, Maine
→1988Whitney Park Historic District — Bangor, Penobscot County, Maine
→2003Whitney, Capt. Joel, House — Phillips, Franklin County, Maine
→1979Whitneyville Congregational Church — Whitneyville, Washington County, Maine
→2017Whittier Field Athletic Complex — Brunswick, Cumberland County, Maine
→1977Wiggin, Kate Douglas, House — Hollis Center, York County, Maine
→1987Wilder, Benjamin C., House — Washburn, Aroostook County, Maine
→1980Wiley, Benjamin, House — North Fryeburg, Oxford County, Maine
→1976Wiley, James Sullivan, House — Dover-Foxcroft, Piscataquis County, Maine
→1986Williams Block — Augusta, Kennebec County, Maine
→1978Williams, Gen. John, House — Bangor, Penobscot County, Maine
→1984Williams, John, House — Mount Vernon, Kennebec County, Maine
→2005Williams, Timothy and Jane, House — Rockland, Knox County, Maine
→1980Williston-West Church and Parish House — Portland, Cumberland County, Maine
→1983Wilson Hall — Bucksport, Hancock County, Maine
→2007Windswept — Steuben, Washington County, Maine
→1991Wing Family Cemetery — Wayne, Kennebec County, Maine
→1979Winn House — Ogunquit, York County, Maine
→1984Winn Road School — Cumberland Center, Cumberland County, Maine
→1988Winter Harbor Light Station — Winter Harbor, Hancock County, Maine
→1971Winter Street Church — Bath, Sagadahoc County, Maine
→1976Winter, Amos G., House — Kingfield, Franklin County, Maine
→1973Winterport Congregational Church — Winterport, Waldo County, Maine
→1975Winterport Historic District — Winterport, Waldo County, Maine
→2014Winthrop Mills Company — Winthrop, Kennebec County, Maine
→2001Winthrop Street Historic District — Augusta, Kennebec County, Maine
→2008Winthrop Street Historic District (Boundary Increase) — Augusta, Kennebec County, Maine
→1973Wiscasset Historic District — Wiscasset, Lincoln County, Maine
→1970Wiscasset Jail and Museum — Wiscasset, Lincoln County, Maine
→1988Wood Island Light Station — Biddeford Pool, York County, Maine
→1972Woodman Building — Portland, Cumberland County, Maine
→1978Woolwich Town House — Bath, Sagadahoc County, Maine
→2017Worumbo Mill — Lisbon Falls, Androscoggin County, Maine
→1984York Cliffs Historic District — York, York County, Maine
→1973York Historic District — York, York County, Maine
→2021Young Surgical Building-Central Maine Sanatorium — Fairfield, Somerset County, Maine
→1984Young, Daniel, House — Lubec, Washington County, Maine
→1989Zions Hill — Dexter, Penobscot County, Maine
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