By state

Historic places in Delaware

670 Delaware listings on the National Register of Historic Places, each mapped and dated.

1972

Abbott's Mill — Milford, Sussex County, Delaware

1979

Abbott's Mill (Boundary Increase) — Milford, Sussex County, Delaware

1976

Academy of Newark — Newark, New Castle County, Delaware

1979

Achmester — Middletown, New Castle County, Delaware

1998

Adams, Joseph T., House — Georgetown, Sussex County, Delaware

1982

Aetna Hose, Hook and Ladder Company Fire Station No. 2 — Newark, New Castle County, Delaware

1982

Aetna Hose, Hook and Ladder Company, Fire Station No. 1 — Newark, New Castle County, Delaware

2021

African Union Church and Cemetery of Iron Hill — Newark, New Castle County, Delaware

1977

Aiken's Tavern Historic District — Newark, New Castle County, Delaware

2005

Air Service, Inc. Hangar at Bellanca Airfield — New Castle, New Castle County, Delaware

1991

All Saints' Episcopal Church — Rehoboth Beach, Sussex County, Delaware

1971

Allee House — Dutch Neck Crossroads, Kent County, Delaware