Historic Structures in Watertown
| Name | Location | Years Active | Primary Use |
|---|---|---|---|
| Agricultural Building | Washington St. | 1880 - | Business |
| American Building | Public Sq. | 1850-1919 | Business |
| American Hotel | Arsenal St. | 1850-2000 | Mixed |
| American House | Public Sq. | 1827-1849 | Hotel |
| Armory | Arsenal St. | 1808-1966 | Military |
| Avon Theater | Arsenal St. | 1879-1966 | Theater |
| Babcock House | Washington St. | 1820- | Mixed |
| Babcock Wagon Company | Factory St. | 1870- | Industry |
| Black River Valley Club | Washington St. | 1906- | Clubhouse |
| Buck Building | Public Sq. | 1830- | Mixed |
| Burdick Building | Franklin St. | 1891 - | Mixed |
| Carriage House Inn | Washington St. | 1960 - | Hotel |
| Charlebois Building | Arsenal St. | 1898-2000 | Mixed |
| Church of the Redeemer | E. Main St. | 1896 - | Church |
| City Opera House | Arsenal St. | 1879 - | Theater |
| Cleveland Building | Arcade St. | 1890 - | Business |
| Commerce Building | Public Sq. | 1924 - | Business |
| Crowner House | Court St. | 1851-1966 | Hotel |
| Doolittle & Hall Block | Public Square | 1871-1908 | Business |
| Emerson Place | State St. | 1915 - | Dwelling |
| Failing Hotel | Leray St. | 1808-1865 | Hotel |
| Fairbanks Building | Court/Arsenal St. | 1856-1966 | Business |
| First Baptist Church | Public Sq. | 1891 - | Church |
| First Presbyterian Church | Washington St. | 1851- | Church |
| First United Methodist Church | Mullin St. | 1891 - | Mixed |
| Flower Building | Arsenal St. | 1880 – 1966 | Business |
| Flower Mansion | Arsenal St. | 1829 – 1963 | Mixed |
| Flower Memorial Library | Washington St. | 1903 - | Library |
| Franklin Building | Public Square | 1906 - | Business |
| Hardiman Hotel | Court St. | 1853-1966 | Hotel |
| Harris House | Public Sq. | 1825-1906 | Hotel |
| Hart Massey House | Washington St. | 1803 - | Dwelling |
| Henry Keep Home | Washington St. | 1879-1972 | Dwelling |
| Holy Family Church | Winthrop St. | 1896 - | Church |
| Hope Presbyterian Church | Leray St. | 1890 - | Church |
| Hungerford & Holbrook Building | Washington St. | 1898-1990 | Industry |
| Hungerford Mansion | Flower Ave. W. | 1824 - | Dwelling |
| Iron Block | Public Sq. | 1850 - | Business |
| Jefferson County Courthouse | Arsenal St. | 1862 - | Government |
| Jefferson County Office Building | Arsenal St. | 1890-1963 | Government |
| Jefferson County Poorhouse | Main St. | 1833-1960 | Dwelling |
| Jefferson County Savings Bank | Washington St. | 1824-1922 | Business |
| Lansing Block | State St. | 1905 - | Mixed |
| LeRay Hotel | Public Sq. | 1906-1982 | Mixed |
| Liberty Theater | Court St. | 1930-1966 | Theater |
| Lincoln Building | Public Sq. | 1908 - | Business |
| Marble Block | Washington St. | 1873-1999 | Business |
| Marcy Building | State St. | 1903 - | Business |
| Masonic Temple | Washington St. | 1917 - | Clubhouse |
| Massey Mansion | Rexford Place | 1812-1970 | Mixed |
| Mohican Building | Public Sq. | 1896-1964 | Business |
| Olympic Theater | State St. | 1925-1984 | Theater |
| Otis House | Arsenal St. | 1850-1903 | Hotel |
| Paddock Arcade | Public Sq. | 1850 - | Business |
| Paddock Block | Public Sq. | 1815-1849 | Business |
| Paddock Building | Public Sq. | 1850 - | Mixed |
| Paddock Mansion | Washington St. | 1876 - | Mixed |
| Public Square Fountain | Public Sq. | 1870 - | Monument |
| Remington Mansion | Clinton St. | 1884-1956 | Mixed |
| Riverside Flats | Mill St. | 1899 - | Dwelling |
| Romang House | Court St. | 1850-1910 | Hotel |
| Roswell P. Flower Statue | Washington St. | 1902 - | Monument |
| Rothstock Building | Court St. | 1906 - | Mixed |
| Sacred Heart Church | W. Lynde St. | 1876 - | Church |
| Safford Block | Court St. | 1850 - | Business |
| St. Anthony’s Church | Arsenal St. | 1931 - | Church |
| St. Patrick’s Church | Massey St. | 1855 - | Church |
| St. Paul’s Church | Clay St. | 1890 - | Church |
| Smith Block | Arcade St. | 1882-2000 | Business |
| Smith & Percy Building | Washington St. | 1932 - | Business |
| Solar Building | Franklin St. | 1910 - | Dwelling |
| Soldier & Sailor’s Monument | Public Sq. | 1888 - | Monument |
| Starbuck Mansion | Clinton St. | 1866- | Dwelling |
| State St. Methodist Church | State St. | 1849-1914 | Church |
| Sterling Mansion | Sterling Pl. | 1822 - | Mixed |
| Stone St. Presbyterian Church | Stone St. | 1864-1982 | Church |
| Strand Theater | Franklin St. | 1932 - | Mixed |
| Streeter Block | Public Sq. | 1843-1958 | Business |
| Taggart Building | Public Sq. | 1870-1922 | Business |
| Taylor Mansion | Clinton St. | 1891 - | Dwelling |
| Thomas Memorial AME Church | Morrison St. | 1909 - | Church |
| Train Station | Public Square | -1958 | Transportation |
| Trinity Episcopal Church | Sherman St. | 1891 - | Church |
| Universalist Church | Public Sq. | 1850-1906 | Church |
| Vassar Flats | State St. | 1910 - | Dwelling |
| Washington Hall | Washington St. | 1853-1913 | Mixed |
| White House Inn | Washington St. | 1885-1969 | Mixed |
| Woolworth Building | Public Sq. | 1921 - | Business |
| Woodruff House | Public Sq. | 1851-1976 | Hotel |
| Yellow Brick Block | Washington St. | 1873-2000 | Business |
| YMCA | Washington St. | 1913 - | Mixed |
| Name | Location | Years Active | Primary Use |