Hartford Co., Connecticut, United States

A. Everett Austin House

Abraham Coult House

Academy Hall

Aetna Diner

Alexander King House

Allen Place-Lincoln Street Historic District

Allen's Cider Mill

Allyn Steele House

Ambassador Apartments

Amos Bull House

Andover Center Historic District

Ann Street Historic District

Apartment at 49–51 Spring Street

Arthur G. Pomeroy House

Asa Gillett House

Asylum Avenue District

Atwater Manufacturing Company

Augustus Post House

Austin F. Williams Carriagehouse and House

Avery Clark House

Avon Congregational Church

B.P.O. Elks Lodge

Babb's Beach

Barnes--Frost House

Beardsley–Mix House

Benjamin Colton House

Benomi Case House

Berlin-Peck Memorial Library

Bigelow-Hartford Carpet Mills Historic District

Bissell Tavern-Bissell's Stage House

Blakeslee Forging Company

Boce W. Barlow Jr. House

Bolton Green Historic District

Bridge No. 455

Brigham's Tavern

Broad Brook Company

Broad Street Green Historic District

Buckingham Square District

Buckingham Square District

Building at 136–138 Collins Street

Building at 142 Collins Street

Building at 83–85 Sigourney Street

Bulkeley Bridge

Burritt Hotel

Bushnell Park

Butler-McCook Homestead

Buttolph–Williams House

Calvin Day House

Canton Center Historic District

Capen-Clark Historic District

Capewell Horse Nail Company

Capt. Benjamin Allyn II House

Capt. Elisha Phelps House

Capt. James Loomis House

Capt. Josiah Cowles House

Capt. Oliver Filley House

Capt. Samuel Woodruff House

Captain Nathan Hale Monument

Case Brothers Historic District

Cedar Hill Cemetery

Central Avenue-Center Cemetery Historic District

Charles E. Beach House

Charles H. Norton House

Charter Oak Bank Building

Charter Oak Place

Cheney Brothers Historic District

Cheney Building

Chevry Lomday Mishnayes Synagogue

Children's Village of the Hartford Orphan Asylum

Christ Church

Church of the Good Shepherd and Parish House

City Hall-Monument District

Clark Brothers Factory No. 1

Clark Brothers Factory No. 2

Clay Hill Historic District

Col. James Loomis House

Collins and Townley Streets District

Collinsville Historic District

Colt Industrial District

Colt Park

Coltsville Historic District

Coltsville Historic District

Columbia Green Historic District

Commercial Trust Company Building

Congregation Knesseth Israel

Congregational Church of Plainville

Congress Street

Connecticut Governor's Mansion

Connecticut State Capitol

Connecticut State Library

Coventry Glass Factory Historic District

Curtisville Historic District

Daniel Hosmer House

Daniel Payne House

David Pinney House and Barn

Day House

Day-Taylor House

Deacon John Moore House

Department Store Historic District

Dillon Building