All - Architectural style - Federal architecture
| Tuscawilla |
| Tusculum |
| Tusculum |
| Tuthill-Lapham House |
| Twin Houses |
| Ulmer, George, House |
| Union Bank |
| Union Church |
| Union Church and Cemetery |
| Union Hotel |
| Union Meetinghouse |
| Union Meeting House |
| Union Meeting House |
| Union Meeting House, (Former) |
| Union Tavern |
| Universalist Meeting House of Sheshequin |
| Universalist-Unitarian Church |
| University Hall, Harvard University |
| Upham-Walker House |
| Upland Farm |
| Upper Fells Point Historic District |
| Upsala |
| U.S. Customhouse |
| U.S. Post Office |
| U.S. Post Office |
| Utley-Council House |
| Vail-Trust House |
| Valentine Museum |
| Valentine Soap Workers Cottage |
| Vale, The |
| Valleau Tavern |
| Valley Lodge |
| Valley Mill Farm |
| Van Alen, John Evert, House |
| Van Bergen House |
| Van Buskirk-Oakley House |
| Van Campen, Moses, House |
| Van Deman, Henry, House |
| Van Der Veer-Harris House |
| Vandiver-Trout-Clause House |
| Van Dorn House |
| Van Duzer-Sayer, Mary, House |
| Vandyke-Heath House |
| Vanmetre, Thomas, House |
| Van Ness, William W., House |
| Vann House |
| Van Rensselaer, Conyn, House |
| Van Rensselar, Stephen, House |
| Van Salsbergen House |
| Vaughan, John, House |
| Vaughan, Rebecca, House |
| Verdier, John Mark, House |
| Vermilyea Inn Historic District |
| Vernon Place |
| Verville |
| Vibber, Lemuel F., House |
| Vickery, Capt. David, House |
| Vine Forest |
| Vineyard, The |
| Vinton-Boardman Farmhouse |
| Violet Bank |
| Virts, William, House |
| Vogt House |
| Vowles, John, House |
| Wable-Augustine Tavern |
| Waddle-Click Farm |
| Wade House |
| Wade, John, House |
| Wadsworth Hall |
| Wakefield House |
| Wakefields |
| Waldo, George A., House |
| Walker-Peters-Langdon House |
| Walker Tavern |
| Wallace Farm |
| Wallace, Jonathan, House |
| Wallace, Michael, House |
| Wallace, Samuel, House |
| Wall Brook Farm |
| Walling Cobblestone Tavern |
| Wallingford Hall |
| Wallington Cobblestone Schoolhouse District No. 8 |
| Walnut Grove |
| Walnut Grove |
| Walnut Grove |
| Walnut Valley |
| Ward, Ephraim, House |
| Ward, Joshua, House |
| Ware's Tavern |
| Warner, Isaiah, Farmstead |
| Warner, Jonathan, House |
| Warren, David, House |
| Washburn, Rev. Ebenezer, House |
| Washingtonian Hall |
| Washington Methodist Church |
| Washington-Wilkes Historical Museum |
| Waterbury Center Methodist Church |
| Waterloo |
| Waterman, John R., House |
| Waterman, William, House |
Data from United States Park Service and Wikidata
