Colorado - Role: Building
| Stone House |
| Stonington First Methodist-Episcopal Church |
| St. Patrick Mission Church |
| St. Paul African Methodist Episcopal (AME) Church |
| St. Paul's Church |
| St. Paul's English Evangelical Lutheran Church |
| Stranges Grocery |
| Streit, J. L., House |
| St. Stephen's Episcopal Church, 1881 |
| St. Stephen's Lutheran Church |
| St. Thomas Episcopal Church |
| Sugar Building |
| Sumers Lodge |
| Summer Saloon |
| Summit Creek Ranger Station |
| Sunshine School |
| Superintendent's Residence, Great Sand Dunes National Monument |
| Swanson, Gustav and Annie, Farm |
| Swedish Evangelical Lutheran Church of Ryssby |
| Swink School |
| Tallmadge and Boyer Block |
| Tammen Hall |
| Tarryall School |
| Taylor, Edward T., House |
| Taylor Memorial Chapel |
| Tears-McFarlane House |
| Tego Brothers Drugstore-State National Bank of Louisville |
| Telephone Building |
| Teller House |
| Temple Emanuel |
| Temple Emanuel |
| Temple Emanuel |
| Temple Emanuel |
| Terrace, The |
| The Bunk House Lodge |
| Thede Farmhouse |
| The Owl Club of Denver |
| The Petroleum Club Building |
| Thiede Ranch |
| Thomas, H. H., House |
| Thomas House |
| Thunder Lake Patrol Cabin |
| Ticknor Hall |
| Tigiwon Community House |
| Timber Creek Campground Comfort Station No. 245 |
| Timber Creek Campground Comfort Station No. 246 |
| Timber Creek Campground Comfort Station No. 247 |
| Timberline Cabin |
| Tivoli Brewery Company |
| Toll House |
| Tooke-Nuckolls House |
| Tower of Compassion |
| Tower of Memories |
| Townsend, Thomas B., House |
| Trail School, Old |
| Tramway Building |
| Trinity United Methodist Church |
| Truscott Junior High School |
| Tutt Building |
| Twin Sisters Lookout |
| Two Buttes Gymnasium |
| Union Depot |
| Union High School |
| Union Pacific Railroad Julesburg Depot |
| Union Station |
| Union Warehouse |
| United Church of Christ of Highlandlake |
| United Methodist Church of La Junta |
| Upper Brush Creek School |
| U.S. Courthouse and Federal Office Building |
| U.S. Customhouse |
| US National Bank |
| U.S. Post Office |
| U.S. Post Office |
| U.S. Post Office and Federal Building |
| US Post Office and Federal Building-Canon City Main |
| US Post Office and Federal Building-Delta Main |
| US Post Office and Federal Building-Monte Vista Main |
| US Post Office and Federal Courthouse-Colorado Springs Main |
| US Post Office-Boulder Main |
| US Post Office, Federal Building, and Federal Courthouse-Sterling Main |
| US Post Office-Florence Main |
| US Post Office-Fort Morgan Main |
| US Post Office-Lamar Main |
| US Post Office-Manitou Springs Main |
| US Post Office-Montrose Main |
| US Post Office-Rifle Main |
| US Post Office-Trinidad Main |
| Vail Hotel |
| Vaille, Agnes, Shelter |
| Valley View Leasing and Mining Company Mill |
| Valley View School |
| Vanatta Apartments |
| Van Briggle Pottery Company |
| Victor Hotel |
| Vienna Bakery-Johnson Restaurant |
| Vincent-Hatchette Cabin |
| Virginia Dale Stage Station |
| Wagon Wheel Gap Railroad Station |
| Waite, Davis, House |
Data from United States Park Service and Wikidata
