District of Columbia - Role: Building
| Social Security Administration Building |
| Southeast Branch Library |
| Southern Aid Society-Dunbar Theater Building |
| Southern Railway Building |
| Spasowski, Ambassador Romuald, House |
| Spencer Carriage House and Stable |
| Springland |
| Square 1500 |
| St. Aloysius Catholic Church |
| Standard Material Company-Gyro Motor Company |
| Steedman-Ray House |
| Stevens, Thaddeus, School |
| St. John's Church |
| St. Joseph’s Seminary |
| St. Luke's Episcopal Church |
| St. Mark's Church |
| St. Mary's Episcopal Church |
| St. Matthew's Cathedral And Rectory |
| Stockton Hall |
| Stone, Robert and Lillie May, House |
| St. Paul's College |
| St. Paul's Episcopal Church |
| Strand Theater |
| Strong, Hattie M., Residence Hall |
| Studio House |
| Sulgrave Club |
| Sumner, Charles, School |
| Sun Building |
| Surratt, Mary E., House |
| Syphax, William, School |
| Tabard Inn |
| Tenth Precinct Station House |
| Terminal Refrigerating and Warehouse Company |
| Terrell, Mary Church, House |
| Texas Gardens Apartments |
| The Furies Collective |
| Third Baptist Church |
| Thomas, Alma, House |
| Tiber Island |
| Tilden Hall |
| Tivoli Theater |
| Tower Building |
| Town Center East |
| Trades Hall of National Training School for Women and Girls |
| Trinity Towers |
| Truck Company F |
| Truck House No. 13 |
| True Reformer Building |
| Tucker House and Myers House |
| Tudor Place |
| Twin Oaks |
| Twin Oaks Playground and Field House |
| Uline Ice Company Plant and Arena Complex |
| Underwood, Oscar W., House |
| Union Station |
| Union Trust Building |
| United Brotherhood of Carpenters and Joiners-Local 132 |
| United Mine Workers of America |
| United States Daughters of 1812, National Headquarters |
| University Club of Washington, DC |
| Uptown Theatre |
| US Chamber of Commerce Building |
| U.S. Civil Service Commission Building |
| US Courthouse-District of Columbia |
| U.S. Court Of Military Appeals |
| U.S. Department of Agriculture Administration Building |
| U.S. Department of Agriculture Cotton Annex |
| US Department of Agriculture South Building |
| U.S. Department of Housing and Urban Development |
| U.S. Department of State Building |
| US Department of the Interior Building |
| U.S. Department of the Treasury |
| US General Accounting Office Building |
| U.S. Post Office Department Mail Equipment Shops |
| US Public Health Service Building |
| U.S. Tax Court |
| Van Ness Mausoleum |
| Van View |
| Vigilant Firehouse |
| Waggaman-Ray Commercial Row |
| Walde-Carter House |
| Walsh Stable |
| Warder-Totten House |
| Wardman Flats |
| Wardman Park Annex and Arcade |
| Wardman Park Annex and Arcade |
| Wardman Row |
| Washington and Georgetown Railroad Car House |
| Washington Animal Rescue League Animal Shelter |
| Washington Canoe Club |
| Washington Club |
| Washington, Margaret Murray, School |
| Washington Railway and Electric Company Garage |
| Washington Yacht Club |
| Watergate |
| Watterston House |
| Western High School |
| Westory Building |
| Wetzell-Archbold Farmstead |
| Wetzel, Margaret, House |
Data from United States Park Service and Wikidata
