Washington - Area of significance: Politics/Government
| Ipsut Creek Patrol Cabin |
| Irondale Jail |
| Issaquah Sportsmen's Club |
| Jackson, John R., House |
| Kiggins, John P. and Mary, House |
| Klickitat County Courthouse |
| Lake George Patrol Cabin |
| Lake Wenatchee Residence No. 1200 |
| Lancaster, Judge Columbia, House |
| La Wis Wis Guard Station No. 1165 |
| Leavenworth Ranger Station |
| Lewis County Courthouse |
| Lewisville Park |
| Longmire Campground Comfort Station No. L-302 |
| Longmire Campground Comfort Station No. L-303 |
| Longmire Campground Comfort Station No. L-304 |
| Longmire Historic District |
| Lord, C. J., Mansion |
| Lost Lake Guard Station |
| Lucerne Guard Station |
| Manito Park and Boulevard |
| Mason County Courthouse |
| McAlmond House |
| McCroskey, R. C., House |
| McFadden, O. B., House |
| Meyer, Heye H. and Eva, Farmstead |
| Miller-Brewer House |
| Millersylvania State Park |
| Miners Ridge Lookout |
| Minkler, Birdsey D., House |
| Moore, Miles C., House |
| Moran State Park |
| Mount Rainier National Park |
| Mowich Lake Patrol Cabin |
| Mt. Fremont Fire Lookout |
| Narada Falls Bridge |
| Narada Falls Comfort Station |
| National Guard Armory - Olympia |
| Nihon Go Gakko |
| Nisqually Entrance Historic District |
| North Bend Ranger Station |
| North Fork Guard Station No. 1142 |
| North Fork Quinault Ranger Station |
| North Fork Sol Duc Shelter |
| North Mowich Trail Shelter |
| Oakesdale City Hall |
| Ohanapecosh Comfort Station No. O-302 |
| Ohanapecosh Comfort Station No. O-303 |
| Okanogan County Courthouse |
| Old Capitol Building |
| Old City Hall |
| Old City Hall Historic District |
| Old Georgetown City Hall |
| Old North Yakima Historic District |
| Olympia Downtown Historic District |
| Olympic National Park Headquarters Historic District |
| Olympus Guard Station |
| Opportunity Township Hall |
| Pacific County Courthouse |
| Paradise Historic District |
| Park Butte Lookout |
| Pelton Creek Shelter |
| Pend Oreille County Courthouse |
| Pike Place Public Market Historic District |
| Pioneer Square-Skid Road District |
| Point Elliott Treaty Monument |
| Port Angeles Civic Historic District |
| Port Townsend Historic District |
| Post Office and Federal Office Building |
| Pyramid Peak Aircraft Warning Service Lookout |
| Randle Ranger Station-Work Center |
| Richards, T.G., and Company Store |
| Roanoke Park Historic District |
| Ronald, Judge James T., House |
| San Juan County Courthouse |
| San Juan Island National Historic Site |
| Schafer State Park |
| Scout Lodge |
| Seattle Municipal Light and Power Plant |
| Shelton Public Library and Town Hall |
| Shriner Peak Fire Lookout |
| Silver Creek Ranger Station |
| Skagit River and Newhalem Creek Hydroelectric Projects |
| Skykomish Historic Commercial District |
| Smith, Hiram F., Orchard |
| Snohomish County Courthouse |
| South Capitol Neighborhood Historic District |
| South Puyallup River Bridge |
| Spokane City Hall Building |
| Spokane County Courthouse |
| St. Andrews Creek Bridge |
| St. Andrews Patrol Cabin |
| State Training School for Girls Administration Building |
| Steliko Ranger Station |
| Stevens Pass Guard Station |
| Storm King Ranger Station |
| Sugarloaf Peak Lookout |
| Summerland Trail Shelter |
| Sunrise Comfort Station |
| Sunrise Historic District |
Data from United States Park Service and Wikidata
