Washington - Criteria: C (architecture/engineering)
| Twanoh State Park |
| Tyee Mountain Lookout |
| Union Depot-Warehouse Historic District |
| Union Passenger Station |
| Union Station |
| United Presbyterian Church |
| United Shopping Tower |
| United States Border Station |
| University Bridge |
| USCGC FIR |
| U.S. Courthouse |
| U.S. Inspection Station-Ferry, Washington |
| U.S. Marine Hospital |
| U.S. Post Office |
| U. S. Post Office and Courthouse |
| U.S. Post Office and Courthouse |
| U.S. Post Office and Customshouse |
| US Post Office-Camas Main |
| US Post Office-Centralia Main |
| US Post Office-Chehalis Main |
| US Post Office-Clarkston Main |
| US Post Office, Courthouse, and Custom House |
| US Post Office-Port Townsend Main |
| U.S. Post Office-Pullman |
| US Post Office-Vancouver Main |
| Vance Creek Bridge |
| Vancouver National Historic Reserve Historic District |
| Vancouver-Portland Bridge |
| Vancouver Public Library |
| Vancouver Telephone Building |
| Vashon Hardware Store |
| Verlot Ranger Station-Public Service Center |
| Victorian Apartments |
| Vincent School |
| VIRGINIA V |
| Volker, William, Building |
| Volunteer Park |
| Wagner Houseboat |
| Wallingford Fire and Police Station |
| Ward House |
| Washington Hall |
| Washington School for the Blind |
| Washington State Capitol Historic District |
| Washington Street Public Boat Landing Facility |
| Wenatchee Fire Station #1 |
| Wendel Property |
| West Monitor Bridge |
| West Point Light Station |
| Whatcom Museum of History and Art |
| Whitcomb Cabin |
| White Center Fieldhouse and Caretaker Cottage |
| Whitehouse-Crawford Planing Mill |
| White River Bridge |
| White River Entrance |
| White River Mess Hall and Dormitory |
| White River Patrol Cabin |
| Whitten Block |
| Wilkeson Arch |
| Wilkeson Community House |
| Wilkeson School |
| Williams, James and Corinne, House |
| Wilson Hotel |
| Winchester Mountain Lookout |
| Winnifred Street Bridge |
| Winters, Frederick W., House |
| Women's University Club of Seattle |
| Woolworth, F.W., Company Store |
| Wreckage, The |
| Wright Park and Seymour Conservatory |
| W. T. PRESTON (snagboat) |
| Wurdemann, Harry Vanderbilt, House |
| Yakima Park Stockade Group |
| Yale Bridge |
| Ye College Inn |
| ZODIAC (schooner) |
Data from United States Park Service and Wikidata
