All - Constructed - 1920–1929
| Tonkawa Lodge No. 157 A.F. & A.M. |
| Topside |
| Torrey Pines Lodge |
| Tosheff's Restaurant and Hotel |
| Toston Bridge |
| Tovrea Castle |
| Tower Building |
| Towle, Loren, Estate |
| Town Hall |
| Town House, The |
| Town Pump of East Sparta, The |
| Townshend State Park |
| Triangle Building |
| Triangle X Barn |
| Tribune Building |
| Trierweiler, Dr. John, House |
| Trinity Episcopal Cathedral |
| Trinity Episcopal Church |
| Trinity Hall |
| Tripoli Temple |
| Trunck, Joseph and Augusta, Boathouse |
| Tryon Country Club |
| Tucker House and Myers House |
| Tukwila School |
| Tunturi, Fred, House |
| Tuolumne Meadows Ranger Stations and Comfort Stations |
| Tuomy Hills Service Station |
| Turkey Creek School |
| Turnblad, Swan, House |
| Turner, Frederick, Fourplex |
| Turpin Grain Elevator |
| Tushiyah United Hebrew School-Scott Memorial Methodist Episcopal Church |
| Twanoh State Park |
| Twenty-eighth Street YMCA |
| Two Medicine Campground Camptender's Cabin |
| Ulster Heights Synagogue |
| Union Church of Pocantico Hills |
| Union Pacific Mainline Depot |
| Union Pacific Railroad Passenger Depot |
| Union Park Hotel |
| Union Station |
| Union Station |
| Union Station School |
| Union Temple of Brooklyn |
| United Laymen Bible Student Tabernacle |
| United Sons and Daughters of Charity Lodge Hall |
| United States Postal Service Roosevelt Park Station |
| United States Post Office and Federal Courthouse |
| University Avenue Bridge |
| Upper East Fork Cabin No. 29 |
| Upper Logging Lake Snowshoe Cabin |
| Upper Nyack Snowshoe Cabin |
| Upper Park Creek Patrol Cabin |
| Upton Apartments |
| Uptown Theater |
| US 41-Fanny Hooe Creek Bridge |
| US Chamber of Commerce Building |
| US Custom House |
| U.S. National Arboretum |
| US Post Office-Hoosick Falls |
| US Post Office-Winchester Main |
| US Post Office-Winnemucca Main |
| Valdez, Miguel, Barn |
| Valentine-Wilder House |
| Valley National Bank Building |
| Vanatta Apartments |
| VanderSys, Arthur, House |
| VanderSys, Jacob, House |
| Vangindertahlen, Louis, House |
| Vanity Ballroom Building |
| Van Nuys Branch |
| Variable Density Tunnel |
| Vegas Grammar School Branch No. 1 |
| Ventura Theatre |
| Vernier Street-Swan Creek Bridge |
| Vessey School |
| Veterans Memorial Library and Woman's Club of St. Cloud Auditorium |
| Victory Theater and Hotel Sonntag |
| Villa Bonita |
| Village of Encinal Day School |
| Villa Philmonte Historic District |
| Villa Providence |
| Vincennes Fortnightly Club |
| Vincent-Hatchette Cabin |
| Vineland High School |
| Vinoy Park Hotel |
| Virginia City Hall |
| Virginia Hall |
| Virginia House |
| Virginia Mutual Building |
| Virginia Recreation Building |
| Virginia Theater |
| Vista Avenue Viaduct |
| Vista Theater |
| Voigts, Herman J. and Ella B., House |
| Waban Branch Library |
| Wachter Motor Car Company Building |
| Wadhams Gas Station |
| Wakefield Trust Company |
| Walker County Hospital |
Data from United States Park Service and Wikidata
