[ 3] Name on the Register[ 4] Image Date listed[ 5] Location City or town Description 1 Andover Center Historic District Andover Center Historic District April 18, 2003 (#03000236 ) Roughly along Hebron Rd., Boston Hill Rd., and U.S. Route 6 41°44′03″N 72°22′30″W / 41.734167°N 72.375°W / 41.734167; -72.375 (Andover Center Historic District ) Andover 2 Bolton Green Historic District Bolton Green Historic District April 12, 2001 (#01000357 ) Roughly the Green, 219, 220, 222, 228, 233, 266 Bolton Center Rd. and 3 Hebron Rd. 41°46′20″N 72°25′42″W / 41.772222°N 72.428333°W / 41.772222; -72.428333 (Bolton Green Historic District ) Bolton 3 Brigham's Tavern Brigham's Tavern March 25, 1982 (#82004383 ) 12 Boston Turnpike 41°47′58″N 72°18′53″W / 41.7994°N 72.3147°W / 41.7994; -72.3147 (Brigham's Tavern ) Coventry 4 John Cady House John Cady House April 12, 1982 (#82004390 ) 484 Mile Hill Rd. 41°49′51″N 72°24′00″W / 41.8308°N 72.4°W / 41.8308; -72.4 (John Cady House ) Tolland 5 Capron-Phillips House Capron-Phillips House April 27, 1982 (#82004384 ) 1129 Main St. 41°46′00″N 72°17′54″W / 41.7667°N 72.2983°W / 41.7667; -72.2983 (Capron-Phillips House ) Coventry 6 Captain Nathan Hale Monument Captain Nathan Hale Monument January 28, 2002 (#01001531 ) 120 Lake St. 41°46′04″N 72°18′24″W / 41.767778°N 72.306667°W / 41.767778; -72.306667 (Captain Nathan Hale Monument ) Coventry 7 Columbia Green Historic District Columbia Green Historic District December 6, 1990 (#90001759 ) Along CT 87 at its junction with CT 66 41°42′05″N 72°18′10″W / 41.701389°N 72.302778°W / 41.701389; -72.302778 (Columbia Green Historic District ) Columbia 8 Jared Cone House Jared Cone House February 21, 1990 (#90000155 ) 25 Hebron Rd. 41°45′58″N 72°26′02″W / 41.766111°N 72.433889°W / 41.766111; -72.433889 (Jared Cone House ) Bolton 9 Coventry Glass Factory Historic District Coventry Glass Factory Historic District August 27, 1987 (#87000806 ) U.S. Route 44 and N. River Rd. 41°47′56″N 72°21′02″W / 41.798889°N 72.350556°W / 41.798889; -72.350556 (Coventry Glass Factory Historic District ) Coventry 10 Eldredge Mills Archeological District Eldredge Mills Archeological District October 20, 2000 (#00000938 ) Address Restricted Willington 11 Ellington Center Historic District Ellington Center Historic District November 15, 1990 (#90001754 ) Roughly Maple St. from Berr Ave. to just west of the High School and Main St. from Jobs Hill Rd. to East Green 41°54′15″N 72°28′17″W / 41.904167°N 72.471389°W / 41.904167; -72.471389 (Ellington Center Historic District ) Ellington 12 Farwell Barn Farwell Barn January 26, 2001 (#00001649 ) Horsebarn Hill Rd. 41°49′08″N 72°14′57″W / 41.818889°N 72.249167°W / 41.818889; -72.249167 (Farwell Barn ) Mansfield Also known as the Jacobson Barn; on the UConn campus 13 Fifth Camp of Rochambeau's Infantry Fifth Camp of Rochambeau's Infantry April 30, 2001 (#01000446 ) Bolton Heritage Farm[ 6] 41°46′14″N 72°25′36″W / 41.77056°N 72.426749°W / 41.77056; -72.426749 (Fifth Camp of Rochambeau's Infantry ) Bolton 14 Florence Mill Florence Mill July 18, 1978 (#78002858 ) 121 W. Main St. 41°51′52″N 72°27′15″W / 41.864444°N 72.454167°W / 41.864444; -72.454167 (Florence Mill ) Vernon 15 Gurleyville Historic District Gurleyville Historic District December 30, 1975 (#75001933 ) North of Mansfield Center off CT 195 at the junction of Gurleyville and Chaffeeville Rds. 41°48′47″N 72°13′21″W / 41.813056°N 72.2225°W / 41.813056; -72.2225 (Gurleyville Historic District ) Mansfield 16 Nathan Hale Homestead Nathan Hale Homestead October 22, 1970 (#70000698 ) South St. 41°45′50″N 72°20′47″W / 41.763889°N 72.346389°W / 41.763889; -72.346389 (Nathan Hale Homestead ) Coventry 17 Hebron Center Historic District Hebron Center Historic District July 30, 1993 (#93000649 ) Church, Gilead, Main, Wall, and West Sts. and Marjorie Cir. 41°39′26″N 72°22′08″W / 41.657222°N 72.368889°W / 41.657222; -72.368889 (Hebron Center Historic District ) Hebron 18 Knesseth Israel Synagogue Knesseth Israel Synagogue July 21, 1995 (#95000862 ) 236 Pinney St. 41°53′50″N 72°28′48″W / 41.897222°N 72.48°W / 41.897222; -72.48 (Knesseth Israel Synagogue ) Ellington 19 Loomis-Pomeroy House Loomis-Pomeroy House April 26, 1994 (#94000370 ) 1747 Boston Tpk. 41°47′52″N 72°22′35″W / 41.797778°N 72.376389°W / 41.797778; -72.376389 (Loomis-Pomeroy House ) Coventry 20 Mansfield Center Cemetery Mansfield Center Cemetery July 24, 1992 (#92000905 ) Junction of Storrs and Cemetery Rds. 41°45′43″N 72°11′46″W / 41.761944°N 72.196111°W / 41.761944; -72.196111 (Mansfield Center Cemetery ) Mansfield 21 Mansfield Center Historic District Mansfield Center Historic District February 23, 1972 (#72001337 ) Storrs Rd. 41°46′37″N 72°11′55″W / 41.776944°N 72.198611°W / 41.776944; -72.198611 (Mansfield Center Historic District ) Mansfield 22 Mansfield Hollow Dam Mansfield Hollow Dam April 12, 2009 (#03000194 ) 141 Mansfield Hollow Rd. 41°45′20″N 72°10′54″W / 41.75569°N 72.18163°W / 41.75569; -72.18163 (Mansfield Hollow Dam ) Mansfield and Windham Extends into Windham County 23 Mansfield Hollow Historic District Mansfield Hollow Historic District May 21, 1979 (#79002667 ) 86-127 Mansfield Hollow Rd. 41°45′25″N 72°11′09″W / 41.756944°N 72.185833°W / 41.756944; -72.185833 (Mansfield Hollow Historic District ) Mansfield 24 Mansfield Training School and Hospital Mansfield Training School and Hospital December 22, 1987 (#87001513 ) Junction of CT 32 and US 44 41°48′22″N 72°18′16″W / 41.806111°N 72.304444°W / 41.806111; -72.304444 (Mansfield Training School and Hospital ) Mansfield 25 March Route of Rochambeau's Army: Bailey Road March Route of Rochambeau's Army: Bailey Road January 8, 2003 (#02001677 ) Bailey Rd. 41°45′44″N 72°24′49″W / 41.762222°N 72.413611°W / 41.762222; -72.413611 (March Route of Rochambeau's Army: Bailey Road ) Bolton 26 March Route of Rochambeau's Army: Hutchinson Road March Route of Rochambeau's Army: Hutchinson Road May 6, 2002 (#02000425 ) Hutchinson Road from its junction with Hendee Rd. southward to its end 41°45′26″N 72°23′59″W / 41.757361°N 72.399722°W / 41.757361; -72.399722 (March Route of Rochambeau's Army: Hutchinson Road ) Andover 27 Minterburn Mill Minterburn Mill February 16, 1984 (#84001171 ) 215 E. Main St. 41°52′04″N 72°25′59″W / 41.867778°N 72.433056°W / 41.867778; -72.433056 (Minterburn Mill ) Vernon 28 Old Rockville High School and East School Old Rockville High School and East School April 27, 1981 (#81000614 ) School and Park Sts. 41°52′07″N 72°26′53″W / 41.868611°N 72.448056°W / 41.868611; -72.448056 (Old Rockville High School and East School ) Vernon Now the Board of Education building 29 Oliver White Tavern Oliver White Tavern May 6, 2002 (#02000422 ) 2 Brandy St. 41°46′11″N 72°25′29″W / 41.769722°N 72.424722°W / 41.769722; -72.424722 (Oliver White Tavern ) Bolton 30 Parker-Hutchinson Farm Parker-Hutchinson Farm April 29, 1982 (#82004386 ) Parker Bridge Rd. 41°44′27″N 72°19′23″W / 41.740833°N 72.323056°W / 41.740833; -72.323056 (Parker-Hutchinson Farm ) Coventry 31 Augustus Post House Augustus Post House June 28, 1982 (#82004387 ) 4 Main St. 41°39′28″N 72°21′59″W / 41.657778°N 72.366389°W / 41.657778; -72.366389 (Augustus Post House ) Hebron 32 Rockville Historic District Rockville Historic District September 13, 1984 (#84001173 ) Roughly bounded by Snipsic St., Davis Ave., and West and South Sts. 41°51′51″N 72°27′04″W / 41.864167°N 72.451111°W / 41.864167; -72.451111 (Rockville Historic District ) Vernon 33 Saxony Mill Saxony Mill November 10, 1983 (#83003592 ) 66 West St. 41°51′58″N 72°27′56″W / 41.866111°N 72.465556°W / 41.866111; -72.465556 (Saxony Mill ) Vernon Destroyed by fire in 1994. 34 Sharpe's Trout Hatchery Site Sharpe's Trout Hatchery Site March 31, 1997 (#97000274 ) Valley Falls Park[ 7] 41°49′16″N 72°26′38″W / 41.821°N 72.444°W / 41.821; -72.444 (Sharpe's Trout Hatchery Site ) Vernon 35 Somers Historic District Somers Historic District September 23, 1982 (#82004389 ) Main and Battle Sts., Bugbee Lane, and Springfield Rd. 41°59′07″N 72°26′48″W / 41.985278°N 72.446667°W / 41.985278; -72.446667 (Somers Historic District ) Somers 36 Somersville Historic District Somersville Historic District April 13, 1995 (#95000401 ) Roughly along Main, Maple and School Sts., Pinney and Shaker Rd. and Quality Ave. 41°58′52″N 72°29′24″W / 41.981111°N 72.49°W / 41.981111; -72.49 (Somersville Historic District ) Somers 37 South Coventry Historic District South Coventry Historic District May 6, 1991 (#91000482 ) Roughly Main St. and adjacent streets from Armstrong Rd. to Lake St. and Lake from High St. to Main 41°46′05″N 72°18′07″W / 41.768°N 72.302°W / 41.768; -72.302 (South Coventry Historic District ) Coventry 38 South Willington Historic District South Willington Historic District November 30, 2017 (#100001860 ) River Rd. roughly Battye Rd. to Fisher Hill Rd.; Pinney Hill Rd., Village & Center Sts. 41°51′07″N 72°18′06″W / 41.851899°N 72.301543°W / 41.851899; -72.301543 (South Willington Historic District ) Willington 39 Elias Sprague House Elias Sprague House November 2, 1987 (#87001910 ) 2187 South St. 41°45′56″N 72°20′29″W / 41.765556°N 72.341389°W / 41.765556; -72.341389 (Elias Sprague House ) Coventry 40 Spring Hill Historic District Spring Hill Historic District October 10, 1979 (#08000500 ) Roughly along Storrs Rd. 41°47′23″N 72°13′39″W / 41.789722°N 72.227500°W / 41.789722; -72.227500 (Spring Hill Historic District ) Mansfield 41 Stafford Hollow Historic District Stafford Hollow Historic District October 15, 1987 (#87002032 ) Roughly parts of Leonard, Murphy, Old Monson, Orcuttville, and Patten Rds. 41°59′08″N 72°17′26″W / 41.985556°N 72.290556°W / 41.985556; -72.290556 (Stafford Hollow Historic District ) Stafford 42 Strong House Strong House January 15, 1988 (#87001906 ) 2382 South St. 41°45′58″N 72°20′55″W / 41.766111°N 72.348611°W / 41.766111; -72.348611 (Strong House ) Coventry 43 Talcottville Historic District Talcottville Historic District January 5, 1989 (#88002959 ) 13-44 Elm Hill Rd. and 11-132 Main St. 41°49′12″N 72°29′51″W / 41.82°N 72.4975°W / 41.82; -72.4975 (Talcottville Historic District ) Vernon 44 Tolland County Courthouse Tolland County Courthouse September 17, 1977 (#09000084 ) 53 Tolland Green 41°52′18″N 72°22′11″W / 41.871667°N 72.369722°W / 41.871667; -72.369722 (Tolland County Courthouse ) Tolland 45 Tolland Green Historic District Tolland Green Historic District August 1, 1997 (#97000832 ) Roughly along Old Post, Tolland Stage, and Cider Mill Rds. 41°52′11″N 72°22′36″W / 41.8697°N 72.3767°W / 41.8697; -72.3767 (Tolland Green Historic District ) Tolland 46 Union Green Historic District Union Green Historic District July 19, 1990 (#90001099 ) Roughly the area north of the junction of Buckley Highway and Cemetery Rd. to the junction of Kinney Hollow and Town Hall Rds. 41°59′23″N 72°09′36″W / 41.9897°N 72.16°W / 41.9897; -72.16 (Union Green Historic District ) Union 47 University of Connecticut Historic District-Connecticut Agricultural School University of Connecticut Historic District-Connecticut Agricultural School January 31, 1989 (#88003202 ) Roughly CT 195 /Storrs Rd. at Eagleville Rd. 41°48′29″N 72°15′03″W / 41.8081°N 72.2508°W / 41.8081; -72.2508 (University of Connecticut Historic District-Connecticut Agricultural School ) Mansfield 48 Valley Falls Cotton Mill Site Valley Falls Cotton Mill Site March 28, 1997 (#97000276 ) Valley Falls Park[ 7] [ 8] 41°49′16″N 72°26′37″W / 41.821015°N 72.443495°W / 41.821015; -72.443495 (Valley Falls Cotton Mill Site ) Vernon 49 White's Tavern White's Tavern July 26, 1991 (#91000947 ) 131 U.S. Route 6 41°45′12″N 72°23′51″W / 41.7533°N 72.3975°W / 41.7533; -72.3975 (White's Tavern ) Andover 50 Eleazer Williams House Eleazer Williams House March 11, 1971 (#71000910 ) Storrs Rd. (Route 195 ) 41°46′01″N 72°11′58″W / 41.7669°N 72.1994°W / 41.7669; -72.1994 (Eleazer Williams House ) Mansfield 51 Willington Common Historic District Willington Common Historic District December 18, 1990 (#90001911 ) Properties around Willington Common and east on the Tolland Turnpike past Old Farms Rd. 41°52′31″N 72°15′52″W / 41.8753°N 72.2644°W / 41.8753; -72.2644 (Willington Common Historic District ) Willington