State · National Register of Historic Places
Connecticut
1,007 listed places across 8 counties, 19 of them National Historic Landmarks.
1,007
Listings
19
National Historic Landmarks
42
Historic districts
8
Counties with listings
By county
Landmarks

Landmark · Groton
U.s.s. Nautilus (submarine)
National Historic LandmarkListed 1979

Landmark · Greenwich
Knapp Tavern
National Historic LandmarkListed 1977

Landmark · Guilford
Whitfield, Henry, House
National Historic LandmarkListed 1972

Landmark · Windsor
Moore, Deacon John, House
National Historic LandmarkListed 1977
National Historic Landmarks
Show all 19 landmarks
Newest listings
- 2026-06-09Beman Historic DistrictMiddletown
- 2026-03-20Jennie Leeds Gardener CottageStamford
- 2026-03-02Chichester Road Historic DistrictNew Canaan
- 2026-02-23Wiley-Tremaine HouseMadison