# National Register of Historic Places listings in Hartford County, Connecticut

This is a list of the National Register of Historic Places designations in Hartford County, Connecticut.
This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Hartford County, Connecticut, United States. The locations of National Register properties and districts for which the latitude and longitude coordinates are included below, may be seen in various online maps.
There are 440 properties and districts listed on the National Register in the county, including 21 National Historic Landmarks. More than half of these listings are in the city of Hartford (145) and the towns of Windsor (41), Southington (41) and West Hartford (32). They are listed separately, while the 190 properties and districts in the remaining parts of the county are listed below. Four properties and districts extend into Hartford, Southington and/or New Haven County and appear in more than one list.
Contents: Counties and municipalities in Connecticut :
* Fairfield (city of Bridgeport) (town of Greenwich) (city of Stamford) |
* Hartford (city of Hartford) (town of Southington) (town of West Hartford) (town of Windsor) |
* Litchfield |
* Middlesex (city of Middletown) |
* New Haven (city of New Haven) |
* New London |
* Tolland |
* Windham
This National Park Service list is complete through NPS recent listings posted February 28, 2025.
Download coordinates as:
* KML
* GPX (all coordinates)
* GPX (primary coordinates)
* GPX (secondary coordinates)

## Current listings
### Other cities and towns

| | Name on the Register | Image | Date listed | Location | City or town | Description |
| 1 | Academy Hall | Academy Hall More images | October 7, 1977 (#77001419) | 785 Old Main St. 41°39′58″N 72°38′20″W﻿ / ﻿41.666111°N 72.638889°W﻿ / 41.666111; -72.638889﻿ (Academy Hall) | Rocky Hill | Built in 1803, a Federal style building which served as a school from 1803 to 1941. It was believed to be one of few original Federal style buildings in Connecticut that had been little altered in its exterior. |
| 2 | Allen's Cider Mill | Allen's Cider Mill | April 28, 1992 (#92000389) | 7 Mountain Rd. 41°59′44″N 72°49′56″W﻿ / ﻿41.995556°N 72.832222°W﻿ / 41.995556; -72.832222﻿ (Allen's Cider Mill) | Granby | Built in 1783; it was one of few surviving wooden cider mills in Connecticut at the time of its collapse in August 2019. |
| 3 | Avon Congregational Church | Avon Congregational Church More images | November 7, 1972 (#72001342) | Junction of U.S. Routes 44 and 202 41°48′36″N 72°49′52″W﻿ / ﻿41.81°N 72.831111°W﻿ / 41.81; -72.831111﻿ (Avon Congregational Church) | Avon | |
| 4 | Babb's Beach | Babb's Beach More images | July 12, 2006 (#06000591) | 435 Babbs Rd. 42°01′48″N 72°45′04″W﻿ / ﻿42.03°N 72.751111°W﻿ / 42.03; -72.751111﻿ (Babb's Beach) | Suffield | |
| 5 | Horace Belden School and Central Grammar School | Horace Belden School and Central Grammar School | March 25, 1993 (#93000211) | 933 Hopmeadow St. and 29 Massaco St. 41°52′52″N 72°48′12″W﻿ / ﻿41.881111°N 72.803333°W﻿ / 41.881111; -72.803333﻿ (Horace Belden School and Central Grammar School) | Simsbury | |
| 6 | Beleden House | Beleden House | March 15, 1982 (#82004392) | 50 Bellevue Ave. 41°40′31″N 72°56′25″W﻿ / ﻿41.675278°N 72.940278°W﻿ / 41.675278; -72.940278﻿ (Beleden House) | Bristol | |
| 7 | Makens Bemont House | Makens Bemont House | March 25, 1982 (#82004397) | 307 Burnside Ave. 41°46′33″N 72°37′31″W﻿ / ﻿41.775833°N 72.625278°W﻿ / 41.775833; -72.625278﻿ (Makens Bemont House) | East Hartford | |
| 8 | Bigelow-Hartford Carpet Mills Historic District | Bigelow-Hartford Carpet Mills Historic District | November 25, 1994 (#94001382) | Roughly bounded by Lafayette St., Hartford Ave., Alden Ave., and Pleasant, High, Spring, South, and Prospect Sts. 41°59′59″N 72°36′06″W﻿ / ﻿41.999722°N 72.601667°W﻿ / 41.999722; -72.601667﻿ (Bigelow-Hartford Carpet Mills Historic District) | Enfield | |
| 9 | Bigelow-Hartford Carpet Mills | Bigelow-Hartford Carpet Mills More images | March 10, 1983 (#83001256) | Main and Pleasant Sts. 42°00′01″N 72°36′11″W﻿ / ﻿42.000278°N 72.603056°W﻿ / 42.000278; -72.603056﻿ (Bigelow-Hartford Carpet Mills) | Enfield | |
| 10 | Clarence A. Bingham School | Clarence A. Bingham School | May 8, 2017 (#100000953) | 3 North St. 41°40′54″N 72°56′57″W﻿ / ﻿41.681666°N 72.949247°W﻿ / 41.681666; -72.949247﻿ (Clarence A. Bingham School) | Bristol | |
| 11 | Selden Brewer House | Selden Brewer House | June 4, 1979 (#79002631) | Naubuc Ave. and Main St. 41°44′06″N 72°37′41″W﻿ / ﻿41.734975°N 72.628084°W﻿ / 41.734975; -72.628084﻿ (Selden Brewer House) | East Hartford | |
| 12 | Bridge No. 455 | Bridge No. 455 | September 29, 2004 (#04001094) | CT 159 at Stony Brook 41°57′30″N 72°37′40″W﻿ / ﻿41.958333°N 72.627778°W﻿ / 41.958333; -72.627778﻿ (Bridge No. 455) | Suffield | |
| 13 | Bristol Girls' Club | Bristol Girls' Club | June 3, 1987 (#87000347) | 47 Upson St. 41°40′07″N 72°56′51″W﻿ / ﻿41.668611°N 72.9475°W﻿ / 41.668611; -72.9475﻿ (Bristol Girls' Club) | Bristol | |
| 14 | Bristol High School | Bristol High School | June 4, 2018 (#100002506) | 70 Memorial Blvd. 41°40′11″N 72°56′19″W﻿ / ﻿41.6698°N 72.9386°W﻿ / 41.6698; -72.9386﻿ (Bristol High School) | Bristol | Most recently a middle school. |
| 15 | Broad Brook Company | Broad Brook Company | May 2, 1985 (#85000950) | Main St. 41°54′58″N 72°32′53″W﻿ / ﻿41.916111°N 72.548056°W﻿ / 41.916111; -72.548056﻿ (Broad Brook Company) | East Windsor | |
| 16 | Brown Tavern | Brown Tavern | May 5, 1972 (#72001339) | George Washington Turnpike 41°46′07″N 72°57′57″W﻿ / ﻿41.768611°N 72.965833°W﻿ / 41.768611; -72.965833﻿ (Brown Tavern) | Burlington | |
| 17 | Bulkeley Bridge | Bulkeley Bridge More images | December 10, 1993 (#93001347) | Interstate 84 over the Connecticut River 41°46′09″N 72°39′58″W﻿ / ﻿41.769167°N 72.666111°W﻿ / 41.769167; -72.666111﻿ (Bulkeley Bridge) | East Hartford | Extends into Hartford |
| 18 | Edward L. Burnham Farm | Edward L. Burnham Farm | April 12, 1982 (#82004436) | 580 Burnham St. W 41°48′03″N 72°34′50″W﻿ / ﻿41.800728°N 72.580432°W﻿ / 41.800728; -72.580432﻿ (Edward L. Burnham Farm) | Manchester | |
| 19 | Burritt Hotel | Burritt Hotel | July 28, 1983 (#83001257) | 67 W. Main St. 41°40′04″N 72°47′01″W﻿ / ﻿41.667778°N 72.783611°W﻿ / 41.667778; -72.783611﻿ (Burritt Hotel) | New Britain | |
| 20 | Ernest R. Burwell House | Ernest R. Burwell House | August 18, 1992 (#92001009) | 161 Grove St. 41°40′54″N 72°56′11″W﻿ / ﻿41.681667°N 72.936389°W﻿ / 41.681667; -72.936389﻿ (Ernest R. Burwell House) | Bristol | |
| 21 | Roger Butler House | Roger Butler House | August 15, 1996 (#96000847) | 146 Jordan Ln. 41°43′24″N 72°40′17″W﻿ / ﻿41.723443°N 72.671507°W﻿ / 41.723443; -72.671507﻿ (Roger Butler House) | Wethersfield | |
| 22 | Buttolph-Williams House | Buttolph-Williams House More images | November 24, 1968 (#68000048) | 249 Broad St. 41°42′39″N 72°39′04″W﻿ / ﻿41.710833°N 72.651111°W﻿ / 41.710833; -72.651111﻿ (Buttolph-Williams House) | Wethersfield | Exemplifies traditional early New England design. |
| 23 | Canton Center Historic District | Canton Center Historic District More images | October 7, 1997 (#97000831) | Roughly along Barbourtown, E. Mountain, Humphrey, West, and W. Mountain Rds. 41°51′28″N 72°54′58″W﻿ / ﻿41.857778°N 72.916111°W﻿ / 41.857778; -72.916111﻿ (Canton Center Historic District) | Canton | |
| 24 | Case Brothers Historic District | Case Brothers Historic District More images | June 30, 2009 (#09000468) | 680-728 Spring St., 40 Glen Rd., and rough boundaries of Case Mountain Recreation Area and Manchester Land 41°45′46″N 72°29′20″W﻿ / ﻿41.762708°N 72.489011°W﻿ / 41.762708; -72.489011﻿ (Case Brothers Historic District) | Manchester | |
| 25 | Cedar Hill Cemetery | Cedar Hill Cemetery More images | April 28, 1997 (#97000333) | 453 Fairfield Ave. 41°43′20″N 72°42′12″W﻿ / ﻿41.722222°N 72.703333°W﻿ / 41.722222; -72.703333﻿ (Cedar Hill Cemetery) | Newington and Wethersfield | Extends into Hartford |
| 26 | Central Avenue-Center Cemetery Historic District | Central Avenue-Center Cemetery Historic District More images | April 19, 1993 (#93000289) | Center Ave. from Main St. to Elm St. and Center Cemetery to the north 41°46′09″N 72°38′29″W﻿ / ﻿41.769167°N 72.641389°W﻿ / 41.769167; -72.641389﻿ (Central Avenue-Center Cemetery Historic District) | East Hartford | |
| 27 | Cheney Brothers Historic District | Cheney Brothers Historic District More images | June 2, 1978 (#78002885) | Bounded by Hartford Rd. and Laurel, Spruce, and Lampfield Sts. 41°46′00″N 72°31′43″W﻿ / ﻿41.766667°N 72.528611°W﻿ / 41.766667; -72.528611﻿ (Cheney Brothers Historic District) | Manchester | A nineteenth century silk mill and traditional company town. |
| 28 | City Hall-Monument District | City Hall-Monument District | February 28, 1973 (#73001957) | W. Main St. and Central Park 41°40′05″N 72°46′59″W﻿ / ﻿41.668056°N 72.783056°W﻿ / 41.668056; -72.783056﻿ (City Hall-Monument District) | New Britain | |
| 29 | Clark Farm Tenant House site | Clark Farm Tenant House site | January 31, 2002 (#01001554) | Address Restricted | East Granby | |
| 30 | Collinsville Historic District | Collinsville Historic District More images | June 23, 1976 (#76001994) | CT 179 41°48′44″N 72°55′22″W﻿ / ﻿41.812222°N 72.922778°W﻿ / 41.812222; -72.922778﻿ (Collinsville Historic District) | Canton | |
| 31 | Commercial Trust Company Building | Commercial Trust Company Building | March 17, 2009 (#09000141) | 51–55 West Main Street 41°40′04″N 72°46′59″W﻿ / ﻿41.667778°N 72.783056°W﻿ / 41.667778; -72.783056﻿ (Commercial Trust Company Building) | New Britain | |
| 32 | Congregational Church of Plainville | Congregational Church of Plainville | June 27, 2012 (#12000358) | 130 W. Main St. 41°40′12″N 72°52′27″W﻿ / ﻿41.670075°N 72.87412°W﻿ / 41.670075; -72.87412﻿ (Congregational Church of Plainville) | Plainville | |
| 33 | Connecticut General Life Insurance Company Headquarters | Connecticut General Life Insurance Company Headquarters | January 27, 2010 (#09000324) | 900 Cottage Grove Rd. 41°48′49″N 72°44′42″W﻿ / ﻿41.813708°N 72.7449°W﻿ / 41.813708; -72.7449﻿ (Connecticut General Life Insurance Company Headquarters) | Bloomfield | |
| 34 | Copper Ledges and Chimney Crest | Copper Ledges and Chimney Crest | August 21, 1992 (#92001010) | Along Founders Dr. between Bradley and Woodland Sts. 41°40′45″N 72°56′03″W﻿ / ﻿41.679167°N 72.934167°W﻿ / 41.679167; -72.934167﻿ (Copper Ledges and Chimney Crest) | Bristol | |
| 35 | Frederick H. Cossitt Library | Frederick H. Cossitt Library More images | June 22, 1988 (#88000708) | 388 N. Granby Rd. 41°59′45″N 72°49′51″W﻿ / ﻿41.995833°N 72.830833°W﻿ / 41.995833; -72.830833﻿ (Frederick H. Cossitt Library) | Granby | |
| 36 | Abraham Coult House | Upload image | August 11, 2000 (#00000834) | 1695 Hebron Ave. 41°43′08″N 72°32′39″W﻿ / ﻿41.718889°N 72.544167°W﻿ / 41.718889; -72.544167﻿ (Abraham Coult House) | Glastonbury | |
| 37 | Gen. George Cowles House | Gen. George Cowles House More images | May 11, 1982 (#82004400) | 130 Main St. 41°43′03″N 72°50′09″W﻿ / ﻿41.7175°N 72.835833°W﻿ / 41.7175; -72.835833﻿ (Gen. George Cowles House) | Farmington | |
| 38 | Whitfield Cowles House | Whitfield Cowles House | April 8, 2014 (#13000528) | 118 Spoonville Rd. 41°54′05″N 72°44′45″W﻿ / ﻿41.901522°N 72.745905°W﻿ / 41.901522; -72.745905﻿ (Whitfield Cowles House) | East Granby | |
| 39 | Curtisville Historic District | Curtisville Historic District More images | December 14, 1992 (#92001638) | Roughly Pratt St. from Naubuc Ave. to the west of Main St., also Parker Terrace; Parker Terrace extended and adjacent parts of Naubuc 41°43′03″N 72°37′03″W﻿ / ﻿41.7175°N 72.6175°W﻿ / 41.7175; -72.6175﻿ (Curtisville Historic District) | Glastonbury | |
| 40 | Robert and Julia Darling House | Robert and Julia Darling House More images | January 3, 1991 (#90002117) | 720 Hopmeadow St. 41°52′20″N 72°48′10″W﻿ / ﻿41.872222°N 72.802778°W﻿ / 41.872222; -72.802778﻿ (Robert and Julia Darling House) | Simsbury | |
| 41 | Silas Deane House | Silas Deane House More images | October 6, 1970 (#70000835) | 203 Main St. 41°41′42″N 72°39′13″W﻿ / ﻿41.695°N 72.653611°W﻿ / 41.695; -72.653611﻿ (Silas Deane House) | Wethersfield | Home of America's first foreign diplomat |
| 42 | Downtown Main Street Historic District | Downtown Main Street Historic District | December 20, 1996 (#96001464) | Roughly bounded by Main St., Governor St., Chapman Pl., and Burnside Ave. 41°46′20″N 72°38′31″W﻿ / ﻿41.772347°N 72.641808°W﻿ / 41.772347; -72.641808﻿ (Downtown Main Street Historic District) | East Hartford | |
| 43 | Downtown New Britain | Downtown New Britain | May 3, 2016 (#16000210) | Roughly bounded by CT 72, Main St., Franklin Sq., Whiting St., Arch St., and High St. 41°39′41″N 72°46′47″W﻿ / ﻿41.661393°N 72.779767°W﻿ / 41.661393; -72.779767﻿ (Downtown New Britain) | New Britain | |
| 44 | Drake Hill Road Bridge | Drake Hill Road Bridge | July 19, 1984 (#84000999) | Drake Hill Rd. at the Farmington River 41°52′06″N 72°48′01″W﻿ / ﻿41.868333°N 72.800278°W﻿ / 41.868333; -72.800278﻿ (Drake Hill Road Bridge) | Simsbury | |
| 45 | East Granby Historic District | East Granby Historic District More images | August 25, 1988 (#88001318) | Church and East Sts., Nicholson and Rainbow Rds., N. Main, School and S. Main Sts. 41°56′32″N 72°43′28″W﻿ / ﻿41.942222°N 72.724444°W﻿ / 41.942222; -72.724444﻿ (East Granby Historic District) | East Granby | |
| 46 | East Weatogue Historic District | East Weatogue Historic District | July 19, 1990 (#90001107) | Roughly properties on East Weatogue St. from just north of Riverside Dr. to Hartford Rd., and Folly Farm property to the south 41°50′51″N 72°47′58″W﻿ / ﻿41.8475°N 72.799444°W﻿ / 41.8475; -72.799444﻿ (East Weatogue Historic District) | Simsbury | |
| 47 | East Windsor Academy | East Windsor Academy More images | December 3, 1998 (#98000359) | 115 Scantic Rd. 41°54′02″N 72°34′49″W﻿ / ﻿41.900556°N 72.580278°W﻿ / 41.900556; -72.580278﻿ (East Windsor Academy) | East Windsor | |
| 48 | East Windsor Hill Historic District | East Windsor Hill Historic District More images | May 30, 1986 (#86001208) | Roughly bounded by the Scantic River, John Fitch Boulevard, Sullivan Ave., and the Connecticut River 41°51′23″N 72°36′45″W﻿ / ﻿41.856389°N 72.6125°W﻿ / 41.856389; -72.6125﻿ (East Windsor Hill Historic District) | South Windsor | |
| 49 | Elm Street Historic District | Elm Street Historic District More images | April 13, 1998 (#98000358) | 18-191 Elm St. 41°39′53″N 72°38′40″W﻿ / ﻿41.664722°N 72.644444°W﻿ / 41.664722; -72.644444﻿ (Elm Street Historic District) | Rocky Hill | |
| 50 | Elmore Houses | Elmore Houses | August 23, 1985 (#85001832) | 78 and 87 Long Hill Rd. 41°48′10″N 72°35′42″W﻿ / ﻿41.802778°N 72.595°W﻿ / 41.802778; -72.595﻿ (Elmore Houses) | South Windsor | |
| 51 | Endee Manor Historic District | Endee Manor Historic District More images | February 29, 1996 (#96000027) | Roughly along Sherman, Mills and Putnam Sts. 41°40′44″N 72°57′28″W﻿ / ﻿41.678889°N 72.957778°W﻿ / 41.678889; -72.957778﻿ (Endee Manor Historic District) | Bristol | |
| 52 | Enfield Canal | Enfield Canal More images | April 22, 1976 (#76001998) | Along the Connecticut River from Windsor Locks north to Thompsonville 41°57′00″N 72°37′10″W﻿ / ﻿41.95°N 72.619444°W﻿ / 41.95; -72.619444﻿ (Enfield Canal) | Windsor Locks | |
| 53 | Enfield Carnegie Library | Enfield Carnegie Library | February 12, 2025 (#100011475) | 159 Pearl Street 41°59′29″N 72°35′52″W﻿ / ﻿41.9914°N 72.5977°W﻿ / 41.9914; -72.5977﻿ (Enfield Carnegie Library) | Enfield | |
| 54 | Enfield Historic District | Enfield Historic District More images | August 10, 1979 (#79002664) | 1106-1492 Enfield St. 41°58′34″N 72°35′37″W﻿ / ﻿41.976111°N 72.593611°W﻿ / 41.976111; -72.593611﻿ (Enfield Historic District) | Enfield | |
| 55 | Enfield Shakers Historic District | Enfield Shakers Historic District More images | May 21, 1979 (#79002663) | Shaker, Taylor, and Cybulski Rds. 42°00′42″N 72°30′57″W﻿ / ﻿42.011667°N 72.515833°W﻿ / 42.011667; -72.515833﻿ (Enfield Shakers Historic District) | Enfield | |
| 56 | Enfield Town Meetinghouse | Enfield Town Meetinghouse More images | September 10, 1974 (#74002050) | Enfield St. at South Rd. 41°58′37″N 72°35′33″W﻿ / ﻿41.976965°N 72.592447°W﻿ / 41.976965; -72.592447﻿ (Enfield Town Meetinghouse) | Enfield | |
| 57 | Eno Memorial Hall | Eno Memorial Hall More images | April 2, 1993 (#93000210) | 754 Hopmeadow St. 41°52′28″N 72°48′06″W﻿ / ﻿41.874444°N 72.801667°W﻿ / 41.874444; -72.801667﻿ (Eno Memorial Hall) | Simsbury | |
| 58 | Amos Eno House | Amos Eno House More images | April 3, 1975 (#75001935) | Off U.S. Route 202 on Hopmeadow Rd. 41°52′21″N 72°48′14″W﻿ / ﻿41.8725°N 72.803889°W﻿ / 41.8725; -72.803889﻿ (Amos Eno House) | Simsbury | |
| 59 | Erwin Home for Worthy and Indigent Women | Erwin Home for Worthy and Indigent Women | April 12, 2002 (#02000332) | 140 Bassett St. 41°39′26″N 72°46′48″W﻿ / ﻿41.657222°N 72.78°W﻿ / 41.657222; -72.78﻿ (Erwin Home for Worthy and Indigent Women) | New Britain | |
| 60 | Farmington Canal-New Haven and Northampton Canal | Farmington Canal-New Haven and Northampton Canal More images | September 12, 1985 (#85002664) | Roughly from Suffield in Hartford County to New Haven in New Haven County 41°37′14″N 72°51′54″W﻿ / ﻿41.620556°N 72.865°W﻿ / 41.620556; -72.865﻿ (Farmington Canal-New Haven and Northampton Canal) | Avon, East Granby, Farmington, Granby, Plainville, Simsbury, Suffield | Extends into Southington and New Haven County. First a canal, later a railroad, and now a multi-use trail. |
| 61 | Farmington Historic District | Farmington Historic District | March 17, 1972 (#72001331) | Porter and Mountain Rds., Main and Garden Sts., Hatter's and Hillstead Lanes, and Farmington Ave. 41°43′11″N 72°49′45″W﻿ / ﻿41.719722°N 72.829167°W﻿ / 41.719722; -72.829167﻿ (Farmington Historic District) | Farmington | |
| 62 | Federal Hill Historic District | Federal Hill Historic District More images | August 28, 1986 (#86001989) | Roughly bounded by Summer, Maple, Woodland, Goodwin, and High Sts. 41°40′35″N 72°56′27″W﻿ / ﻿41.676389°N 72.940833°W﻿ / 41.676389; -72.940833﻿ (Federal Hill Historic District) | Bristol | |
| 63 | Capt. Oliver Filley House | Capt. Oliver Filley House More images | May 15, 2007 (#07000420) | 130 Mountain Ave. 41°50′05″N 72°45′44″W﻿ / ﻿41.8347°N 72.7623°W﻿ / 41.8347; -72.7623﻿ (Capt. Oliver Filley House) | Bloomfield | |
| 64 | First Church of Christ | First Church of Christ More images | May 15, 1975 (#75002056) | 75 Main St. 41°43′14″N 72°49′47″W﻿ / ﻿41.720556°N 72.829722°W﻿ / 41.720556; -72.829722﻿ (First Church of Christ) | Farmington | Church of the Amistad freed slaves. |
| 65 | First Congregational Church of East Hartford and Parsonage | First Congregational Church of East Hartford and Parsonage More images | March 25, 1982 (#82004398) | 829-837 Main St. 41°46′08″N 72°38′41″W﻿ / ﻿41.768889°N 72.644722°W﻿ / 41.768889; -72.644722﻿ (First Congregational Church of East Hartford and Parsonage) | East Hartford | |
| 66 | First Lutheran Church of the Reformation | First Lutheran Church of the Reformation | August 30, 2010 (#10000825) | 77 Franklin Square 41°39′46″N 72°46′50″W﻿ / ﻿41.662778°N 72.780556°W﻿ / 41.662778; -72.780556﻿ (First Lutheran Church of the Reformation) | New Britain | |
| 67 | Forestville Passenger Station | Forestville Passenger Station More images | April 19, 1978 (#78002862) | 171 Central St. 41°40′24″N 72°53′54″W﻿ / ﻿41.673333°N 72.898333°W﻿ / 41.673333; -72.898333﻿ (Forestville Passenger Station) | Bristol | |
| 68 | John Fuller House | John Fuller House | March 15, 1982 (#82004439) | 463 Halliday Ave. 42°01′03″N 72°39′27″W﻿ / ﻿42.017390°N 72.657550°W﻿ / 42.017390; -72.657550﻿ (John Fuller House) | Suffield | |
| 69 | Garvan-Carroll Historic District | Garvan-Carroll Historic District More images | August 26, 1991 (#91001049) | Roughly bounded by S. Prospect, Chapel and Main Sts., and Interstate 84 41°46′01″N 72°38′52″W﻿ / ﻿41.766944°N 72.647778°W﻿ / 41.766944; -72.647778﻿ (Garvan-Carroll Historic District) | East Hartford | |
| 70 | Francis Gillette House | Francis Gillette House More images | March 25, 1982 (#82004391) | 559 Bloomfield Ave. 41°48′51″N 72°44′15″W﻿ / ﻿41.814049°N 72.737431°W﻿ / 41.814049; -72.737431﻿ (Francis Gillette House) | Bloomfield | |
| 71 | Gilman-Hayden House | Gilman-Hayden House | August 16, 1984 (#84001007) | 1871 Main St. 41°47′30″N 72°38′01″W﻿ / ﻿41.791540°N 72.633614°W﻿ / 41.791540; -72.633614﻿ (Gilman-Hayden House) | East Hartford | |
| 72 | Glastonbury Historic District | Glastonbury Historic District More images | August 2, 1984 (#84001011) | Roughly Main St. from Hebron Ave. to Talcott Rd. 41°42′09″N 72°36′34″W﻿ / ﻿41.7025°N 72.609444°W﻿ / 41.7025; -72.609444﻿ (Glastonbury Historic District) | Glastonbury | |
| 73 | Glastonbury-Rocky Hill Ferry Historic District | Glastonbury-Rocky Hill Ferry Historic District | September 21, 2005 (#05001046) | Roughly along Tryon St., Ferry Ln. and Glastonbury Ave., Meadow and Riverview Rds. 41°39′46″N 72°37′19″W﻿ / ﻿41.662778°N 72.621944°W﻿ / 41.662778; -72.621944﻿ (Glastonbury-Rocky Hill Ferry Historic District) | Glastonbury | |
| 74 | Gothic Cottage | Gothic Cottage | February 25, 1982 (#82004441) | 1425 Mapleton Ave. 42°01′04″N 72°37′17″W﻿ / ﻿42.017778°N 72.621389°W﻿ / 42.017778; -72.621389﻿ (Gothic Cottage) | Suffield | |
| 75 | Granby Center Historic District | Granby Center Historic District More images | October 17, 1985 (#85003149) | 3-8 E. Granby Rd., 2 Park Pl., and 207-265 Salmon Brook St. S 41°57′00″N 72°47′33″W﻿ / ﻿41.95°N 72.7925°W﻿ / 41.95; -72.7925﻿ (Granby Center Historic District) | Granby | |
| 76 | Ebenezer Grant House | Ebenezer Grant House | September 19, 1977 (#77001408) | 1653 Main St. 41°51′05″N 72°36′31″W﻿ / ﻿41.851389°N 72.608611°W﻿ / 41.851389; -72.608611﻿ (Ebenezer Grant House) | South Windsor | |
| 77 | Gridley-Parsons-Staples Homestead | Gridley-Parsons-Staples Homestead | July 30, 1981 (#81000537) | 1554 Farmington Ave. 41°44′56″N 72°52′08″W﻿ / ﻿41.748984°N 72.868761°W﻿ / 41.748984; -72.868761﻿ (Gridley-Parsons-Staples Homestead) | Farmington | |
| 78 | Dr. Elizur Hale House | Dr. Elizur Hale House | November 13, 1989 (#89001088) | 3181 Hebron Ave. 41°42′29″N 72°28′44″W﻿ / ﻿41.708056°N 72.478889°W﻿ / 41.708056; -72.478889﻿ (Dr. Elizur Hale House) | Glastonbury | |
| 79 | Hart's Corner Historic District | Hart's Corner Historic District | July 8, 1987 (#87000351) | 247 Monce Rd. and 102 and 105 Stafford Rd. 41°43′41″N 72°54′50″W﻿ / ﻿41.728056°N 72.913889°W﻿ / 41.728056; -72.913889﻿ (Hart's Corner Historic District) | Burlington | |
| 80 | Hastings Hill Historic District | Hastings Hill Historic District More images | September 14, 1979 (#79002669) | 987-1308 Hill St., 1242 Spruce St., and 1085-1162 Russell Ave. 42°00′35″N 72°40′38″W﻿ / ﻿42.009722°N 72.677222°W﻿ / 42.009722; -72.677222﻿ (Hastings Hill Historic District) | Suffield | |
| 81 | Hatheway House | Hatheway House More images | August 6, 1975 (#75001934) | 55 S. Main St. 41°58′48″N 72°39′10″W﻿ / ﻿41.98°N 72.652778°W﻿ / 41.98; -72.652778﻿ (Hatheway House) | Suffield | |
| 82 | Samuel Hayes II House | Samuel Hayes II House | April 27, 1992 (#92000390) | 67 Barndoor Hills Rd. 41°56′42″N 72°49′06″W﻿ / ﻿41.945°N 72.818333°W﻿ / 41.945; -72.818333﻿ (Samuel Hayes II House) | Granby | |
| 83 | Hazardville Historic District | Hazardville Historic District More images | February 19, 1980 (#80004061) | Hazardville (near CT 190 and CT 192) 41°58′33″N 72°31′54″W﻿ / ﻿41.975833°N 72.531667°W﻿ / 41.975833; -72.531667﻿ (Hazardville Historic District) | Enfield | |
| 84 | Heublein Tower | Heublein Tower More images | June 30, 1983 (#83001260) | Talcott Mountain State Park 41°49′25″N 72°47′51″W﻿ / ﻿41.823611°N 72.7975°W﻿ / 41.823611; -72.7975﻿ (Heublein Tower) | Simsbury | |
| 85 | Hill-Stead | Hill-Stead More images | July 17, 1991 (#91002056) | 35 Mountain Rd. 41°43′13″N 72°49′09″W﻿ / ﻿41.720278°N 72.819167°W﻿ / 41.720278; -72.819167﻿ (Hill-Stead) | Farmington | Colonial revival house and art museum located in the Farmington Historic District |
| 86 | Hilltop Farm | Hilltop Farm More images | January 12, 2005 (#04001463) | 1550-1760 Mapleton Ave. 42°01′30″N 72°36′50″W﻿ / ﻿42.025°N 72.613889°W﻿ / 42.025; -72.613889﻿ (Hilltop Farm) | Suffield | |
| 87 | Hitchcock-Schwarzmann Mill | Hitchcock-Schwarzmann Mill | September 13, 1977 (#77001409) | North of Burlington at Foote and Vineyard Rds. 41°46′54″N 72°57′42″W﻿ / ﻿41.781667°N 72.961667°W﻿ / 41.781667; -72.961667﻿ (Hitchcock-Schwarzmann Mill) | Burlington | Main mill building demolished. |
| 88 | Judah Holcomb House | Judah Holcomb House | June 16, 1988 (#88000755) | 257 N. Granby Rd. 41°58′50″N 72°49′08″W﻿ / ﻿41.980556°N 72.818889°W﻿ / 41.980556; -72.818889﻿ (Judah Holcomb House) | Granby | The house experienced a significant fire and was subsequently demolished. The doorway survived the fire and is now at Historic Deerfield. |
| 89 | Nathaniel Holcomb III House | Nathaniel Holcomb III House More images | April 29, 1982 (#82004486) | 45 Bushy Hill Rd. 41°57′00″N 72°48′40″W﻿ / ﻿41.95°N 72.811111°W﻿ / 41.95; -72.811111﻿ (Nathaniel Holcomb III House) | Granby | |
| 90 | John Hollister House | John Hollister House More images | November 7, 1972 (#72001329) | 14 Tryon St. 41°40′01″N 72°36′32″W﻿ / ﻿41.666944°N 72.608889°W﻿ / 41.666944; -72.608889﻿ (John Hollister House) | Glastonbury | |
| 91 | Francis H. Holmes House | Francis H. Holmes House | June 28, 1984 (#84001014) | 349 Rocky Hill Ave. 41°39′14″N 72°45′34″W﻿ / ﻿41.653889°N 72.759444°W﻿ / 41.653889; -72.759444﻿ (Francis H. Holmes House) | New Britain | |
| 92 | Henry Hooker House | Henry Hooker House | November 29, 1978 (#78002867) | 111 High Rd. 41°38′41″N 72°47′22″W﻿ / ﻿41.644722°N 72.789444°W﻿ / 41.644722; -72.789444﻿ (Henry Hooker House) | Berlin | |
| 93 | Hubbard Park | Hubbard Park More images | December 15, 1997 (#97001466) | Roughly bounded by W. Main St., Interstate 691, CT 66, Reservoir Ave., Edgewood Dr. 41°33′45″N 72°50′05″W﻿ / ﻿41.5625°N 72.834722°W﻿ / 41.5625; -72.834722﻿ (Hubbard Park) | Berlin | A park partly in Berlin, Southington, and Meriden. |
| 94 | John Humphrey House | John Humphrey House | November 15, 1990 (#90001755) | 115 E. Weatogue St. 41°51′48″N 72°47′43″W﻿ / ﻿41.863333°N 72.795278°W﻿ / 41.863333; -72.795278﻿ (John Humphrey House) | Simsbury | |
| 95 | William Jerome I House | William Jerome I House | June 2, 1987 (#87000792) | 367 Jerome Ave. 41°41′59″N 72°55′46″W﻿ / ﻿41.699722°N 72.929444°W﻿ / 41.699722; -72.929444﻿ (William Jerome I House) | Bristol | |
| 96 | Gen. Martin Kellogg House | Gen. Martin Kellogg House | October 1, 1987 (#87001770) | 679 Willard Ave. 41°41′53″N 72°44′04″W﻿ / ﻿41.698056°N 72.734444°W﻿ / 41.698056; -72.734444﻿ (Gen. Martin Kellogg House) | Newington | The home of General Martin Kellog III, also known as the Kellogg-Eddy House |
| 97 | Enoch Kelsey House | Enoch Kelsey House | June 28, 1982 (#82004437) | 1702 Main St. 41°41′07″N 72°43′17″W﻿ / ﻿41.685352°N 72.721468°W﻿ / 41.685352; -72.721468﻿ (Enoch Kelsey House) | Newington | |
| 98 | Ezekiel Kelsey House | Ezekiel Kelsey House | September 16, 1977 (#77001410) | 429 Beckley Rd. 41°37′43″N 72°43′24″W﻿ / ﻿41.628611°N 72.723333°W﻿ / 41.628611; -72.723333﻿ (Ezekiel Kelsey House) | Berlin | |
| 99 | Kensington Grammar School-Jean E. Hooker High School | Kensington Grammar School-Jean E. Hooker High School | June 27, 2012 (#12000360) | 462 Alling St. 41°38′02″N 72°46′15″W﻿ / ﻿41.63392°N 72.770909°W﻿ / 41.63392; -72.770909﻿ (Kensington Grammar School-Jean E. Hooker High School) | Berlin | Demolished. |
| 100 | Kensington Soldier's Monument | Kensington Soldier's Monument | July 3, 2013 (#13000456) | 312 Percival Avenue 41°37′22″N 72°46′59″W﻿ / ﻿41.62288°N 72.78298°W﻿ / 41.62288; -72.78298﻿ (Kensington Soldier's Monument) | Berlin | |
| 101 | Kimberly Mansion | Kimberly Mansion | September 17, 1974 (#74002178) | 1625 Main St. 41°41′22″N 72°36′26″W﻿ / ﻿41.689444°N 72.607222°W﻿ / 41.689444; -72.607222﻿ (Kimberly Mansion) | Glastonbury | Home of Abby and Julia Evelina Smith, suffragists who fought the town of Glastonbury and won. |
| 102 | King's Field House | King's Field House | March 11, 1982 (#82004440) | 827 North St. 42°00′26″N 72°38′42″W﻿ / ﻿42.007222°N 72.645°W﻿ / 42.007222; -72.645﻿ (King's Field House) | Suffield | |
| 103 | Alexander King House | Alexander King House | April 26, 1976 (#76001993) | 232 S. Main St. 41°58′31″N 72°39′12″W﻿ / ﻿41.975278°N 72.653333°W﻿ / 41.975278; -72.653333﻿ (Alexander King House) | Suffield | |
| 104 | Landers, Frary and Clark Ellis Street Plant Historic District | Upload image | August 1, 2022 (#100007948) | 321 and 322 Ellis St. 41°39′29″N 72°46′10″W﻿ / ﻿41.6581°N 72.7695°W﻿ / 41.6581; -72.7695﻿ (Landers, Frary and Clark Ellis Street Plant Historic District) | New Britain | |
| 105 | Lewis-Zukowski House | Lewis-Zukowski House | February 21, 1990 (#90000147) | 1095 S. Grand St. 41°57′41″N 72°42′41″W﻿ / ﻿41.961389°N 72.711389°W﻿ / 41.961389; -72.711389﻿ (Lewis-Zukowski House) | Suffield | |
| 106 | Main Street Historic District | Main Street Historic District | August 15, 1995 (#95001006) | Roughly Main St. from School St. to Summer St. and adjacent areas of Prospect St. 41°40′19″N 72°56′35″W﻿ / ﻿41.671944°N 72.943056°W﻿ / 41.671944; -72.943056﻿ (Main Street Historic District) | Bristol | |
| 107 | Main Street Historic District | Main Street Historic District | April 18, 1996 (#96000428) | Roughly Main St. from Center St. to Eldridge St. 41°46′16″N 72°31′18″W﻿ / ﻿41.771111°N 72.521667°W﻿ / 41.771111; -72.521667﻿ (Main Street Historic District) | Manchester | |
| 108 | Manchester Historic District | Manchester Historic District | August 2, 2000 (#00000857) | Roughly bounded by Center Spring Park, Main St., Interstate 384, and Campfield Rd. 41°46′12″N 72°31′42″W﻿ / ﻿41.77°N 72.528333°W﻿ / 41.77; -72.528333﻿ (Manchester Historic District) | Manchester | |
| 109 | Marlborough Congregational Church | Marlborough Congregational Church | December 10, 1993 (#93001346) | 35 S. Main St. 41°37′44″N 72°27′19″W﻿ / ﻿41.628889°N 72.455278°W﻿ / 41.628889; -72.455278﻿ (Marlborough Congregational Church) | Marlborough | |
| 110 | Marlborough House | Marlborough House | September 2, 1993 (#93000906) | 226 Grove St. 41°40′52″N 72°56′02″W﻿ / ﻿41.681111°N 72.933889°W﻿ / 41.681111; -72.933889﻿ (Marlborough House) | Bristol | |
| 111 | Marlborough Tavern | Marlborough Tavern | December 6, 1978 (#78002866) | Off CT 66 41°37′52″N 72°27′35″W﻿ / ﻿41.631111°N 72.459722°W﻿ / 41.631111; -72.459722﻿ (Marlborough Tavern) | Marlborough | |
| 112 | Masonic Temple | Masonic Temple | July 21, 1995 (#95000864) | 265 W. Main St. 41°39′57″N 72°47′27″W﻿ / ﻿41.665833°N 72.790833°W﻿ / 41.665833; -72.790833﻿ (Masonic Temple) | New Britain | |
| 113 | Massacoe Forest Pavilion | Massacoe Forest Pavilion More images | September 4, 1986 (#86001731) | Off Old Farms Rd., Stratton Brook State Park 41°51′49″N 72°50′10″W﻿ / ﻿41.8636°N 72.8361°W﻿ / 41.8636; -72.8361﻿ (Massacoe Forest Pavilion) | Simsbury | |
| 114 | Melrose | Melrose More images | August 26, 2010 (#10000577) | Broad Brook Rd. and Melrose Rd. 41°56′15″N 72°31′38″W﻿ / ﻿41.9375°N 72.5272°W﻿ / 41.9375; -72.5272﻿ (Melrose) | East Windsor | |
| 115 | Melrose Road Bridge | Melrose Road Bridge | August 5, 1999 (#99000922) | Melrose Rd. over the Scantic River 41°56′18″N 72°32′51″W﻿ / ﻿41.938333°N 72.5475°W﻿ / 41.938333; -72.5475﻿ (Melrose Road Bridge) | East Windsor | |
| 116 | Memorial Hall | Memorial Hall | June 2, 1987 (#87000802) | Junction of S. Main and Elm Sts. 41°55′29″N 72°37′38″W﻿ / ﻿41.924619°N 72.627315°W﻿ / 41.924619; -72.627315﻿ (Memorial Hall) | Windsor Locks | |
| 117 | J. R. Montgomery Company Industrial Complex | J. R. Montgomery Company Industrial Complex | December 29, 2017 (#100001915) | 25 Canal Bank Rd. 41°55′46″N 72°37′36″W﻿ / ﻿41.929465°N 72.626710°W﻿ / 41.929465; -72.626710﻿ (J. R. Montgomery Company Industrial Complex) | Windsor Locks | |
| 118 | Naubuc Avenue-Broad Street Historic District | Naubuc Avenue-Broad Street Historic District More images | December 4, 1998 (#98001439) | Roughly along Broad St. and Naubuc Ave. 41°43′48″N 72°37′38″W﻿ / ﻿41.73°N 72.627222°W﻿ / 41.73; -72.627222﻿ (Naubuc Avenue-Broad Street Historic District) | East Hartford | |
| 119 | New Britain Opera House | New Britain Opera House | October 7, 1977 (#77001421) | 466-468 Main St. 41°40′14″N 72°46′55″W﻿ / ﻿41.670556°N 72.781944°W﻿ / 41.670556; -72.781944﻿ (New Britain Opera House) | New Britain | Demolished. |
| 120 | New Britain Public High School Campus | New Britain Public High School Campus | March 23, 2015 (#15000101) | 50 Bassett & 161 S. Main Sts. 41°39′38″N 72°46′48″W﻿ / ﻿41.6606°N 72.7801°W﻿ / 41.6606; -72.7801﻿ (New Britain Public High School Campus) | New Britain | Converted to residences. |
| 121 | New Haven District Campground | New Haven District Campground More images | May 19, 1980 (#80004065) | Off CT 177 41°41′10″N 72°53′23″W﻿ / ﻿41.686111°N 72.889722°W﻿ / 41.686111; -72.889722﻿ (New Haven District Campground) | Plainville | |
| 122 | Newington Junction North Historic District | Newington Junction North Historic District | June 2, 1987 (#86003465) | 55-108 Willard Ave. 41°43′05″N 72°44′15″W﻿ / ﻿41.718056°N 72.7375°W﻿ / 41.718056; -72.7375﻿ (Newington Junction North Historic District) | Newington | |
| 123 | Newington Junction Railroad Depot | Newington Junction Railroad Depot More images | December 22, 1986 (#86003478) | 160 Willard and 200 Francis Aves. 41°42′55″N 72°44′13″W﻿ / ﻿41.715278°N 72.736944°W﻿ / 41.715278; -72.736944﻿ (Newington Junction Railroad Depot) | Newington | |
| 124 | Newington Junction South Historic District | Newington Junction South Historic District | June 2, 1987 (#86003462) | 268-319 Willard Ave. 41°42′41″N 72°44′15″W﻿ / ﻿41.711389°N 72.7375°W﻿ / 41.711389; -72.7375﻿ (Newington Junction South Historic District) | Newington | |
| 125 | Newington Junction West Historic District | Newington Junction West Historic District More images | June 2, 1987 (#86003464) | 175 and 181-183 Willard Ave. and 269-303 W. Hill Rd. 41°42′54″N 72°44′21″W﻿ / ﻿41.715°N 72.739167°W﻿ / 41.715; -72.739167﻿ (Newington Junction West Historic District) | Newington | |
| 126 | Newington VA Hospital Historic District | Upload image | July 5, 2022 (#100007860) | 555 Willard Ave. 41°42′08″N 72°44′07″W﻿ / ﻿41.7023°N 72.7352°W﻿ / 41.7023; -72.7352﻿ (Newington VA Hospital Historic District) | Newington | |
| 127 | Charles H. Norton House | Charles H. Norton House | May 11, 1976 (#76002139) | 132 Redstone Hill 41°39′32″N 72°53′06″W﻿ / ﻿41.658889°N 72.885°W﻿ / 41.658889; -72.885﻿ (Charles H. Norton House) | Plainville | Home of the inventor of precision grinding equipment. |
| 128 | Old Farm Schoolhouse | Old Farm Schoolhouse More images | October 18, 1972 (#72001340) | Junction of Park Ave. and School St. 41°49′25″N 72°42′32″W﻿ / ﻿41.823611°N 72.708889°W﻿ / 41.823611; -72.708889﻿ (Old Farm Schoolhouse) | Bloomfield | |
| 129 | Old Newgate Prison | Old Newgate Prison More images | October 15, 1970 (#70000839) | Newgate Rd. 41°57′43″N 72°44′44″W﻿ / ﻿41.961944°N 72.745556°W﻿ / 41.961944; -72.745556﻿ (Old Newgate Prison) | East Granby | Colonial prison; loyalists were held here during the American Revolutionary War |
| 130 | Old Wethersfield Historic District | Old Wethersfield Historic District | December 29, 1970 (#70000719) | Bounded by Hartford, railroad tracks, Interstate 91, and Rocky Hill 41°42′32″N 72°39′23″W﻿ / ﻿41.708889°N 72.656389°W﻿ / 41.708889; -72.656389﻿ (Old Wethersfield Historic District) | Wethersfield | |
| 131 | Clara T. O'Connell School | Clara T. O'Connell School | May 8, 2017 (#100000954) | 122 Park St. 41°40′20″N 72°57′16″W﻿ / ﻿41.672353°N 72.954430°W﻿ / 41.672353; -72.954430﻿ (Clara T. O'Connell School) | Bristol | |
| 132 | Pequabuck Bridge | Pequabuck Bridge | July 19, 1984 (#84001049) | Meadow Rd. at the Pequabuck River 41°42′59″N 72°50′25″W﻿ / ﻿41.716389°N 72.840278°W﻿ / 41.716389; -72.840278﻿ (Pequabuck Bridge) | Farmington | |
| 133 | Capt. Elisha Phelps House | Capt. Elisha Phelps House | September 22, 1972 (#72001345) | 800 Hopmeadow St. 41°52′34″N 72°48′05″W﻿ / ﻿41.876111°N 72.801389°W﻿ / 41.876111; -72.801389﻿ (Capt. Elisha Phelps House) | Simsbury | |
| 134 | Ezekiel Phelps House | Ezekiel Phelps House | February 25, 1982 (#82004396) | 38 Holcomb St. 41°56′36″N 72°44′47″W﻿ / ﻿41.943333°N 72.746389°W﻿ / 41.943333; -72.746389﻿ (Ezekiel Phelps House) | East Granby | |
| 135 | Pine Grove Historic District | Pine Grove Historic District | February 11, 1980 (#80004066) | CT 167 41°46′09″N 72°51′25″W﻿ / ﻿41.769167°N 72.856944°W﻿ / 41.769167; -72.856944﻿ (Pine Grove Historic District) | Avon | |
| 136 | David Pinney House and Barn | David Pinney House and Barn More images | July 25, 1977 (#77001415) | 58 West St. 41°55′57″N 72°38′24″W﻿ / ﻿41.9325°N 72.64°W﻿ / 41.9325; -72.64﻿ (David Pinney House and Barn) | Windsor Locks | Now the Noden-Reed Museum. |
| 137 | Pitkin Glassworks Ruin | Pitkin Glassworks Ruin More images | April 9, 1979 (#79002628) | corner of Putnam and Parker Streets 41°46′36″N 72°30′15″W﻿ / ﻿41.776593°N 72.504126°W﻿ / 41.776593; -72.504126﻿ (Pitkin Glassworks Ruin) | Manchester | |
| 138 | John Robbins House | John Robbins House | September 20, 1988 (#88001526) | 262 Old Main St. 41°40′42″N 72°38′43″W﻿ / ﻿41.678272°N 72.645405°W﻿ / 41.678272; -72.645405﻿ (John Robbins House) | Rocky Hill | |
| 139 | Unni Robbins II House | Unni Robbins II House | September 21, 2005 (#05001049) | 1692 Main St. 41°41′09″N 72°43′17″W﻿ / ﻿41.685710°N 72.721523°W﻿ / 41.685710; -72.721523﻿ (Unni Robbins II House) | Newington | |
| 140 | Rockwell Park | Rockwell Park More images | May 21, 1987 (#87000788) | Dutton Ave. and Jacobs St. 41°40′26″N 72°57′43″W﻿ / ﻿41.673896°N 72.961952°W﻿ / 41.673896; -72.961952﻿ (Rockwell Park) | Bristol | |
| 141 | Rocky Hill Center Historic District | Rocky Hill Center Historic District More images | March 9, 2007 (#07000111) | Roughly bounded by Old Main, Pratt, and Washington Sts., Glastonbury Ave., and Riverview Rd. 41°39′54″N 72°38′06″W﻿ / ﻿41.664947°N 72.634933°W﻿ / 41.664947; -72.634933﻿ (Rocky Hill Center Historic District) | Rocky Hill | |
| 142 | Rocky Hill Congregational Church | Rocky Hill Congregational Church More images | May 7, 1982 (#82004438) | 805-817 Old Main St. 41°39′56″N 72°38′21″W﻿ / ﻿41.665556°N 72.639167°W﻿ / 41.665556; -72.639167﻿ (Rocky Hill Congregational Church) | Rocky Hill | |
| 143 | Rowe and Weed Houses | Rowe and Weed Houses | January 18, 1978 (#78002860) | 208 Salmon Brook St. 41°56′45″N 72°47′27″W﻿ / ﻿41.945833°N 72.790833°W﻿ / 41.945833; -72.790833﻿ (Rowe and Weed Houses) | Granby | |
| 144 | St. John's Episcopal Church | St. John's Episcopal Church More images | November 28, 1983 (#83003567) | 1160 Main St. 41°46′25″N 72°38′27″W﻿ / ﻿41.773611°N 72.640833°W﻿ / 41.773611; -72.640833﻿ (St. John's Episcopal Church) | East Hartford | |
| 145 | St. John's Episcopal Church | St. John's Episcopal Church | April 27, 1982 (#82004442) | 92 Main St. 41°55′43″N 72°37′06″W﻿ / ﻿41.928611°N 72.618333°W﻿ / 41.928611; -72.618333﻿ (St. John's Episcopal Church) | East Windsor | |
| 146 | St. Mary's Parochial School | St. Mary's Parochial School | April 3, 1991 (#91000364) | Beaver St. south of Broad St. 41°40′18″N 72°46′58″W﻿ / ﻿41.671667°N 72.782778°W﻿ / 41.671667; -72.782778﻿ (St. Mary's Parochial School) | New Britain | |
| 147 | Shade Swamp Shelter | Shade Swamp Shelter | September 4, 1986 (#86001746) | U.S. Route 6 east of New Britain Ave. 41°42′15″N 72°51′35″W﻿ / ﻿41.704167°N 72.859722°W﻿ / 41.704167; -72.859722﻿ (Shade Swamp Shelter) | Farmington | |
| 148 | Simeon North Factory Site | Simeon North Factory Site | August 18, 1990 (#90001158) | Address Restricted | Berlin | |
| 149 | Simsbury Bank and Trust Company Building | Simsbury Bank and Trust Company Building More images | November 20, 1986 (#86003323) | 760-762 Hopmeadow St. 41°52′31″N 72°48′06″W﻿ / ﻿41.875278°N 72.801667°W﻿ / 41.875278; -72.801667﻿ (Simsbury Bank and Trust Company Building) | Simsbury | |
| 150 | Simsbury Center Historic District | Simsbury Center Historic District More images | April 12, 1996 (#96000356) | Roughly Hopmeadow St. from West St. to Massaco St. 41°52′31″N 72°48′11″W﻿ / ﻿41.875278°N 72.803056°W﻿ / 41.875278; -72.803056﻿ (Simsbury Center Historic District) | Simsbury | |
| 151 | Simsbury Railroad Depot | Simsbury Railroad Depot More images | March 26, 1976 (#76001997) | Railroad Ave. at Station St. 41°52′27″N 72°48′02″W﻿ / ﻿41.874167°N 72.800556°W﻿ / 41.874167; -72.800556﻿ (Simsbury Railroad Depot) | Simsbury | |
| 152 | Simsbury Townhouse | Simsbury Townhouse | April 2, 1993 (#93000209) | 695 Hopmeadow St. 41°52′18″N 72°48′17″W﻿ / ﻿41.871667°N 72.804722°W﻿ / 41.871667; -72.804722﻿ (Simsbury Townhouse) | Simsbury | |
| 153 | Sloper-Wesoly House | Sloper-Wesoly House | January 7, 1999 (#98001577) | 27 Grove Hill St. 41°40′00″N 72°47′30″W﻿ / ﻿41.666667°N 72.791667°W﻿ / 41.666667; -72.791667﻿ (Sloper-Wesoly House) | New Britain | |
| 154 | South Congregational Church | South Congregational Church | April 6, 1990 (#89000930) | 90 Main St. 41°39′54″N 72°46′56″W﻿ / ﻿41.665°N 72.782222°W﻿ / 41.665; -72.782222﻿ (South Congregational Church) | New Britain | |
| 155 | South End Historic District | South End Historic District More images | January 19, 2001 (#00001625) | Roughly bounded by East Rd., Willis St., George St., and South St. 41°39′55″N 72°56′33″W﻿ / ﻿41.665278°N 72.9425°W﻿ / 41.665278; -72.9425﻿ (South End Historic District) | Bristol | |
| 156 | South Glastonbury Historic District | South Glastonbury Historic District More images | November 23, 1984 (#84000250) | High, Hopewell, Main, and Water Sts.; also 999-1417 and 1032-1420 Main St., 6 and 7 Chestnut Hill Rd. 41°39′59″N 72°36′15″W﻿ / ﻿41.666389°N 72.604167°W﻿ / 41.666389; -72.604167﻿ (South Glastonbury Historic District) | Glastonbury | Second set of boundaries represent a boundary increase of September 24, 2009 |
| 157 | Southwest District School | Southwest District School More images | July 24, 1992 (#92000904) | 430 Simsbury Rd. 41°49′04″N 72°46′02″W﻿ / ﻿41.817778°N 72.767222°W﻿ / 41.817778; -72.767222﻿ (Southwest District School) | Bloomfield | |
| 158 | Stanley-Whitman House | Stanley-Whitman House More images | October 15, 1966 (#66000882) | 37 High St. 41°43′16″N 72°49′32″W﻿ / ﻿41.721111°N 72.825556°W﻿ / 41.721111; -72.825556﻿ (Stanley-Whitman House) | Farmington | Classic seventeenth-century New England saltbox. |
| 159 | Suffield Historic District | Suffield Historic District | September 25, 1979 (#79003750) | Runs along N. and S. Main St. 41°58′51″N 72°39′06″W﻿ / ﻿41.980833°N 72.651667°W﻿ / 41.980833; -72.651667﻿ (Suffield Historic District) | Suffield | |
| 160 | Tariffville Historic District | Tariffville Historic District | April 2, 1993 (#93000173) | Roughly bounded by Winthrop St., Main St., Mountain Rd., Laurel Hill Rd., and Elm St. 41°54′36″N 72°45′53″W﻿ / ﻿41.91°N 72.764722°W﻿ / 41.91; -72.764722﻿ (Tariffville Historic District) | Simsbury | |
| 161 | Tephereth Israel Synagogue | Tephereth Israel Synagogue | May 11, 1995 (#95000576) | 76 Winter St. 41°40′19″N 72°46′44″W﻿ / ﻿41.671944°N 72.778889°W﻿ / 41.671944; -72.778889﻿ (Tephereth Israel Synagogue) | New Britain | |
| 162 | Terry's Plain Historic District | Terry's Plain Historic District | December 10, 1993 (#93001417) | Roughly bounded by Pharos, Quarry, and Terry's Plain Rds., and the Farmington River 41°53′01″N 72°47′05″W﻿ / ﻿41.883611°N 72.784722°W﻿ / 41.883611; -72.784722﻿ (Terry's Plain Historic District) | Simsbury | |
| 163 | Terry-Hayden House | Terry-Hayden House | March 25, 1982 (#82004393) | 125 Middle St. 41°39′57″N 72°55′17″W﻿ / ﻿41.665833°N 72.921389°W﻿ / 41.665833; -72.921389﻿ (Terry-Hayden House) | Bristol | |
| 164 | William H. Thompson Farmstead | William H. Thompson Farmstead | April 18, 2003 (#03000234) | 215 and 219 Melrose Rd. 41°56′16″N 72°31′22″W﻿ / ﻿41.937778°N 72.522778°W﻿ / 41.937778; -72.522778﻿ (William H. Thompson Farmstead) | East Windsor | |
| 165 | Town Bridge | Town Bridge | August 5, 1999 (#99000923) | Town Bridge over the Farmington River 41°49′28″N 72°55′43″W﻿ / ﻿41.824444°N 72.928611°W﻿ / 41.824444; -72.928611﻿ (Town Bridge) | Canton | |
| 166 | Townsend G. Treadway House | Townsend G. Treadway House | December 19, 1991 (#91001871) | 100 Oakland St. 41°40′51″N 72°56′10″W﻿ / ﻿41.680833°N 72.936111°W﻿ / 41.680833; -72.936111﻿ (Townsend G. Treadway House) | Bristol | |
| 167 | Treadwell House | Treadwell House | April 27, 1982 (#82004395) | George Washington Turnpike 41°46′08″N 72°57′52″W﻿ / ﻿41.768961°N 72.964574°W﻿ / 41.768961; -72.964574﻿ (Treadwell House) | Burlington | |
| 168 | Trinity Methodist Episcopal Church | Trinity Methodist Episcopal Church More images | July 21, 2007 (#07000697) | 69 Main St. 41°39′56″N 72°46′51″W﻿ / ﻿41.665447°N 72.780946°W﻿ / 41.665447; -72.780946﻿ (Trinity Methodist Episcopal Church) | New Britain | |
| 169 | Tunxis Forest Headquarters House | Upload image | September 4, 1986 (#86001759) | Western side of Pell Rd. 0.2 miles (0.32 km) north of Town Rd. 42°00′51″N 72°54′58″W﻿ / ﻿42.014082°N 72.916105°W﻿ / 42.014082; -72.916105﻿ (Tunxis Forest Headquarters House) | Hartland | |
| 170 | Tunxis Forest Ski Cabin | Tunxis Forest Ski Cabin More images | September 5, 1986 (#86001761) | Western end of Balance Rock Rd. 42°00′32″N 72°55′47″W﻿ / ﻿42.008889°N 72.929722°W﻿ / 42.008889; -72.929722﻿ (Tunxis Forest Ski Cabin) | Hartland | |
| 171 | Tunxis Hose Firehouse | Tunxis Hose Firehouse | July 28, 1983 (#83001266) | Lovely St. and Farmington Ave. 41°45′31″N 72°53′14″W﻿ / ﻿41.758611°N 72.887222°W﻿ / 41.758611; -72.887222﻿ (Tunxis Hose Firehouse) | Farmington | |
| 172 | Union Village Historic District | Union Village Historic District More images | August 6, 2002 (#02000831) | Roughly bounded by Union Pond, Oakland St., railroad right-of-way, Marble St., and the Hockanum River 41°47′47″N 72°31′43″W﻿ / ﻿41.796389°N 72.528611°W﻿ / 41.796389; -72.528611﻿ (Union Village Historic District) | Manchester | |
| 173 | US Post Office-Manchester Main | US Post Office-Manchester Main | January 21, 1986 (#86000127) | 479 Main St. at Center St. 41°46′35″N 72°31′21″W﻿ / ﻿41.776389°N 72.5225°W﻿ / 41.776389; -72.5225﻿ (US Post Office-Manchester Main) | Manchester | Now the Weiss Center, housing municipal offices |
| 174 | Viets' Tavern | Viets' Tavern | February 23, 1972 (#72001338) | Newgate Rd. 41°57′43″N 72°44′42″W﻿ / ﻿41.961944°N 72.745°W﻿ / 41.961944; -72.745﻿ (Viets' Tavern) | East Granby | |
| 175 | Walnut Hill District | Walnut Hill District More images | September 2, 1975 (#75001936) | Irregular pattern roughly bounded by Winthrup, Arch, and Lake Sts., and Walnut Hill Park 41°39′51″N 72°47′02″W﻿ / ﻿41.664123°N 72.783791°W﻿ / 41.664123; -72.783791﻿ (Walnut Hill District) | New Britain | |
| 176 | Walnut Hill Park | Walnut Hill Park More images | November 30, 1982 (#82001000) | W. Main St. 41°39′43″N 72°47′31″W﻿ / ﻿41.661944°N 72.791944°W﻿ / 41.661944; -72.791944﻿ (Walnut Hill Park) | New Britain | |
| 177 | Washington School | Washington School | July 19, 1984 (#84001053) | 370 High St. 41°40′40″N 72°47′18″W﻿ / ﻿41.677778°N 72.788333°W﻿ / 41.677778; -72.788333﻿ (Washington School) | New Britain | Now used as apartments |
| 178 | Joseph Webb House | Joseph Webb House More images | October 15, 1966 (#66000885) | 211 Main St. 41°42′42″N 72°39′13″W﻿ / ﻿41.711667°N 72.653611°W﻿ / 41.711667; -72.653611﻿ (Joseph Webb House) | Wethersfield | Site of the American Revolutionary War conference between General George Washington and Rochambeau planning for the Siege of Yorktown |
| 179 | Gideon Welles House | Gideon Welles House More images | October 6, 1970 (#70000697) | 17 Hebron Ave. 41°42′45″N 72°36′29″W﻿ / ﻿41.712580°N 72.608180°W﻿ / 41.712580; -72.608180﻿ (Gideon Welles House) | Glastonbury | |
| 180 | Welles-Shipman-Ward House | Welles-Shipman-Ward House More images | September 19, 1977 (#77001418) | 972 Main St. 41°40′08″N 72°36′07″W﻿ / ﻿41.668889°N 72.601944°W﻿ / 41.668889; -72.601944﻿ (Welles-Shipman-Ward House) | Glastonbury | |
| 181 | West End Historic District | West End Historic District | December 24, 1998 (#98001542) | Roughly along Park Place, Vine, Forest, Lincoln, Liberty, Sunnyledge, Hart, Lexington, Murray, and Woodbine Sts. 41°39′40″N 72°47′42″W﻿ / ﻿41.661111°N 72.795°W﻿ / 41.661111; -72.795﻿ (West End Historic District) | New Britain | |
| 182 | West End Library | West End Library | April 25, 2000 (#00000369) | 15 School St. 41°45′29″N 72°53′19″W﻿ / ﻿41.758115°N 72.888602°W﻿ / 41.758115; -72.888602﻿ (West End Library) | Farmington | |
| 183 | West Granby Historic District | West Granby Historic District More images | May 1, 1992 (#92000385) | Broad Hill, Hartland, W. Granby and Simsbury Rds., and Day St. S. 41°56′48″N 72°50′19″W﻿ / ﻿41.946667°N 72.838611°W﻿ / 41.946667; -72.838611﻿ (West Granby Historic District) | Granby | |
| 184 | John Wiard House | John Wiard House | March 25, 1982 (#82004394) | CT 4 at Upson Rd. 41°46′33″N 72°58′50″W﻿ / ﻿41.775833°N 72.980556°W﻿ / 41.775833; -72.980556﻿ (John Wiard House) | Burlington | |
| 185 | Willard Homestead | Willard Homestead | December 22, 1986 (#86003461) | 372 Willard Ave. 41°42′30″N 72°44′10″W﻿ / ﻿41.708393°N 72.735982°W﻿ / 41.708393; -72.735982﻿ (Willard Homestead) | Newington | |
| 186 | Austin F. Williams Carriagehouse and House | Austin F. Williams Carriagehouse and House | August 5, 1998 (#98001190) | 127 Main Street 41°43′21″N 72°49′41″W﻿ / ﻿41.7225°N 72.828056°W﻿ / 41.7225; -72.828056﻿ (Austin F. Williams Carriagehouse and House) | Farmington | Temporary quarters for the Amistad Africans, and a "station" on the Underground Railroad |
| 187 | J. B. Williams Co. Historic District | J. B. Williams Co. Historic District | April 7, 1983 (#83001268) | Hubbard, Williams, and Willieb Sts. 41°42′08″N 72°35′49″W﻿ / ﻿41.702222°N 72.596944°W﻿ / 41.702222; -72.596944﻿ (J. B. Williams Co. Historic District) | Glastonbury | |
| 188 | Windsor Farms Historic District | Windsor Farms Historic District More images | April 11, 1986 (#86000723) | Roughly bounded by Strong Rd., U.S. Route 5, Interstate 291, and the Connecticut River 41°49′22″N 72°37′35″W﻿ / ﻿41.822778°N 72.626389°W﻿ / 41.822778; -72.626389﻿ (Windsor Farms Historic District) | South Windsor | Encompasses the historic center of South Windsor. |
| 189 | Windsor Locks Passenger Station | Windsor Locks Passenger Station More images | September 2, 1975 (#75001937) | Main St. 41°56′01″N 72°37′39″W﻿ / ﻿41.933611°N 72.6275°W﻿ / 41.933611; -72.6275﻿ (Windsor Locks Passenger Station) | Windsor Locks | |
| 190 | Woodbridge Farmstead | Woodbridge Farmstead | August 5, 1999 (#99000925) | 495 Middle Turnpike East 41°47′05″N 72°30′01″W﻿ / ﻿41.784722°N 72.500278°W﻿ / 41.784722; -72.500278﻿ (Woodbridge Farmstead) | Manchester | |
| 191 | Worthington Ridge Historic District | Worthington Ridge Historic District | July 13, 1989 (#89000925) | Roughly Worthington Ridge from Mill St. to Sunset Ln. 41°37′06″N 72°44′49″W﻿ / ﻿41.618333°N 72.746944°W﻿ / 41.618333; -72.746944﻿ (Worthington Ridge Historic District) | Berlin | |

## Former listings

| | Name on the Register | Image | Date listed | Date removed | Location | City or town | Description |
| 1 | Hanna's Block | Upload image | September 14, 1972 (#72001568) | January 17, 1973 | 432 Main Street 41°17′00″N 73°13′03″W﻿ / ﻿41.2833°N 73.2175°W﻿ / 41.2833; -73.2175﻿ (Hanna's Block) | New Britain | Demolished |