[3] Name on the Register Image Date listed[4] Location City or town Description 1 Bell Place-Locust Avenue Historic District Bell Place-Locust Avenue Historic District August 29, 1985 (#85001936 ) Roughly bounded by Cromwell Pl., Locust Hill Ave., Baldwin Pl. & N. Broadway 40°56′09″N 73°53′49″W / 40.9358°N 73.8969°W / 40.9358; -73.8969 (Bell Place-Locust Avenue Historic District ) Yonkers 2 John Copcutt Mansion John Copcutt Mansion September 12, 1985 (#85002283 ) 239 Nepperhan Ave. 40°56′07″N 73°53′33″W / 40.9353°N 73.8925°W / 40.9353; -73.8925 (John Copcutt Mansion ) Yonkers 3 Old Croton Aqueduct Old Croton Aqueduct December 2, 1974 (#74001324 ) Runs N from Yonkers to New Croton Dam 41°00′52″N 73°53′14″W / 41.0144°N 73.8872°W / 41.0144; -73.8872 (Old Croton Aqueduct ) Yonkers Extends into other parts of Westchester County. 4 Delavan Terrace Historic District Delavan Terrace Historic District September 15, 1983 (#83001827 ) Roughly bounded by Delavan Terr. and Palisade and Park Aves. 40°57′00″N 73°53′33″W / 40.95°N 73.8925°W / 40.95; -73.8925 (Delavan Terrace Historic District ) Yonkers Small residential street with homes of many important local residents in early 20th century 5 Ethan Flagg House-Blessed Sacrament Monastery Ethan Flagg House-Blessed Sacrament Monastery August 12, 1998 (#98001075 ) 23 Park Ave. 40°56′25″N 73°53′34″W / 40.9403°N 73.8928°W / 40.9403; -73.8928 (Ethan Flagg House-Blessed Sacrament Monastery ) Yonkers 6 Halcyon Place Historic District Halcyon Place Historic District January 11, 1991 (#90002145 ) Halcyon Pl. 40°56′41″N 73°53′49″W / 40.9447°N 73.8969°W / 40.9447; -73.8969 (Halcyon Place Historic District ) Yonkers 7 Eleazer Hart House Eleazer Hart House July 29, 1982 (#82003417 ) 243 Bronxville Rd. 40°56′30″N 73°50′28″W / 40.9416°N 73.8411°W / 40.9416; -73.8411 (Eleazer Hart House ) Yonkers 8 Leffingwell–Batcheller House Leffingwell–Batcheller House February 23, 2015 (#15000036 ) 250 Palisade Ave. 40°56′31″N 73°53′33″W / 40.942°N 73.8925°W / 40.942; -73.8925 (Leffingwell–Batcheller House ) Yonkers Large R. H. Robertson Queen Anne Style mansion from late 1880s 9 Metropolitan Life Insurance Company Hall of Records Metropolitan Life Insurance Company Hall of Records September 3, 2014 (#14000543 ) 759 Palmer Rd. 40°56′34″N 73°50′57″W / 40.9429°N 73.8492°W / 40.9429; -73.8492 (Metropolitan Life Insurance Company Hall of Records ) Yonkers 1906 neoclassical building is one of the earliest built by an insurance company to house archives 10 Mott Mill Mott Mill January 28, 2004 (#03001519 ) 11-23 St. Casimir Ave. 40°56′05″N 73°53′38″W / 40.9347°N 73.8939°W / 40.9347; -73.8939 (Mott Mill ) Yonkers (Getty Square ) 11 New York Central & Hudson River Railroad Power Station New York Central & Hudson River Railroad Power Station February 12, 2021 (#100006146 ) 45A Water Grant St. 40°57′05″N 73°53′58″W / 40.9515°N 73.8994°W / 40.9515; -73.8994 (New York Central & Hudson River Railroad Power Station ) Northwest Yonkers (Glenwood) 12 Philipsburgh Building Philipsburgh Building May 22, 2002 (#02000552 ) 2-8 Hudson St. 40°55′59″N 73°54′00″W / 40.9331°N 73.9°W / 40.9331; -73.9 (Philipsburgh Building ) Yonkers (Getty Square ) 13 Philipse Manor Hall Philipse Manor Hall October 15, 1966 (#66000585 ) Warburton Ave. and Dock St. 40°56′08″N 73°53′58″W / 40.9356°N 73.8994°W / 40.9356; -73.8994 (Philipse Manor Hall ) Yonkers (Getty Square ) 14 Plashbourne Estate Plashbourne Estate August 2, 2007 (#07000777 ) 51 Carlton Rd. 40°56′20″N 73°50′52″W / 40.9389°N 73.8479°W / 40.9389; -73.8479 (Plashbourne Estate ) Yonkers (Lawrence Park West) 15 Proctor's Theater Proctor's Theater November 21, 2008 (#08001083 ) 53 S. Broadway 40°55′48″N 73°53′59″W / 40.9301°N 73.8997°W / 40.9301; -73.8997 (Proctor's Theater ) Yonkers (Getty Square ) 16 Public Bath House No. 2 Public Bath House No. 2 October 21, 1985 (#85003365 ) 27 Vineyard Ave. 40°56′25″N 73°53′19″W / 40.9403°N 73.8886°W / 40.9403; -73.8886 (Public Bath House No. 2 ) Yonkers 17 Public Bath House No. 3 Public Bath House No. 3 October 21, 1985 (#85003366 ) 48 Yonkers Ave. 40°56′06″N 73°53′23″W / 40.935°N 73.8897°W / 40.935; -73.8897 (Public Bath House No. 3 ) Yonkers (Getty Square and Nodine Hill) 18 Public Bath House No. 4 Public Bath House No. 4 October 21, 1985 (#85003367 ) 138 Linden St. 40°55′51″N 73°53′33″W / 40.9308°N 73.8925°W / 40.9308; -73.8925 (Public Bath House No. 4 ) Yonkers (Nodine Hill) 19 Public School No. 13 Public School No. 13 April 18, 2007 (#07000332 ) 160 McLean Ave. 40°54′57″N 73°53′26″W / 40.9158°N 73.8906°W / 40.9158; -73.8906 (Public School No. 13 ) Yonkers (Park Hill ) 20 Sherwood House Sherwood House May 10, 1984 (#84003434 ) 340 Tuckahoe Rd. 40°57′07″N 73°51′19″W / 40.9519°N 73.8553°W / 40.9519; -73.8553 (Sherwood House ) Yonkers (CenTuck) Now a house museum operated by the Yonkers Historical Society 21 Alexander Smith Carpet Mills Historic District Alexander Smith Carpet Mills Historic District August 11, 1983 (#83001832 ) Roughly bounded by Saw Mill River Rd., Orchard St., Lake and Ashburton Aves. 40°56′33″N 73°53′01″W / 40.9425°N 73.8836°W / 40.9425; -73.8836 (Alexander Smith Carpet Mills Historic District ) Yonkers (Getty Square ) 22 St. John's Protestant Episcopal Church St. John's Protestant Episcopal Church July 29, 1982 (#82003418 ) One Hudson St. 40°56′01″N 73°53′56″W / 40.9336°N 73.8989°W / 40.9336; -73.8989 (St. John's Protestant Episcopal Church ) Yonkers (Getty Square ) 23 W. B. Thompson Mansion W. B. Thompson Mansion October 29, 1982 (#82001277 ) 1061 N. Broadway 40°58′20″N 73°53′05″W / 40.9722°N 73.8847°W / 40.9722; -73.8847 (W. B. Thompson Mansion ) Yonkers (Greystone) 1912 Renaissance Revival mansion is one of the few estates left in city from the early 20th century. 24 John Bond Trevor House John Bond Trevor House June 19, 1972 (#72000921 ) 511 Warburton Ave. 40°57′12″N 73°53′54″W / 40.9533°N 73.8983°W / 40.9533; -73.8983 (John Bond Trevor House ) Yonkers (Glenwood) Part of Hudson River Museum 25 Untermyer Park Untermyer Park May 31, 1974 (#74002263 ) Warburton Ave. and N. Broadway S. of jct. with Odell Ave. 40°58′00″N 73°53′16″W / 40.9667°N 73.8878°W / 40.9667; -73.8878 (Untermyer Park ) Yonkers (Greystone) 26 US Post Office-Yonkers US Post Office-Yonkers May 11, 1989 (#88002448 ) 79-81 Main St. 40°56′05″N 73°54′08″W / 40.9347°N 73.9022°W / 40.9347; -73.9022 (US Post Office-Yonkers ) Yonkers (Getty Square ) 1927 stone building shows hints of Art Deco in its Classical Revival styling 27 Westminster Presbyterian Church Upload image May 5, 2023 (#100008899 ) 76 Warburton Ave. 40°56′14″N 73°53′55″W / 40.9373°N 73.8985°W / 40.9373; -73.8985 (Westminster Presbyterian Church ) Yonkers (Getty Square ) 28 Yonkers Trolley Barn Yonkers Trolley Barn March 6, 2002 (#02000141 ) 92 Main St. 40°56′03″N 73°54′12″W / 40.9342°N 73.9033°W / 40.9342; -73.9033 (Yonkers Trolley Barn ) Yonkers (Getty Square ) 1903 Renaissance Revival brick building is last remaining trolley barn in county. Was city offices afterward; now used as apartments. 29 Yonkers Water Works Yonkers Water Works July 21, 1982 (#82003419 ) Properties on Saw Mill River Road, Tuckahoe Road, and at the Grassy Sprain Reservoir dam 40°57′29″N 73°51′33″W / 40.9581°N 73.8592°W / 40.9581; -73.8592 (Yonkers Water Works ) Yonkers (CenTuck)