Washington - Area of significance: Commerce
| 1926 Model Brick Home |
| Albers Brothers Mill |
| Almira Hotel |
| Ansorge Hotel |
| Assay Office |
| Ballard Avenue Historic District |
| Ballard-Howe House |
| Ballast Island |
| Barlow Building |
| Barron, J. C., Flour Mill |
| Bassett Hardware Co. Store |
| Bay View Brewery |
| Bellingham National Bank Building |
| Black Warrior Mine |
| Bon Marche Department Store |
| Boyer, John F., House |
| Burlington Northern Depot |
| Bush House |
| Calhoun Hotel |
| Canyon Grain Bin and Chutes |
| Cape Disappointment Historic District |
| Carbonneau Mansion |
| Carmichael, Elizabeth Loudon, House |
| Centralia Downtown Historic District |
| Central Whidbey Island Historic District |
| Chicago, Milwaukee, St. Paul and Pacific Railroad: South Cle Elum Yard |
| Chittenden Locks and Lake Washington Ship Canal |
| Cissna Cottages Historic District |
| City of Cheney Historic District |
| Cloverland Garage |
| Cobb Building |
| Coke Ovens |
| Colbert House |
| Colman Automotive Building |
| Colman Building |
| Colonnade Hotel |
| Columbia City Historic District |
| Columbia Theater |
| Colvos Store |
| Continental Hotel |
| Coolidge-Rising House |
| Cooney, Neil, Mansion |
| Corbin, Daniel C. and Anna, House |
| Dacres Hotel |
| Dadisman, David, House |
| Davenport Hotel |
| Daylight Building |
| Desmet Avenue Warehouse Historic District |
| Dills, Harrison, House |
| Dodson Building |
| Doe Bay General Store and Post Office |
| Downtown Bellingham Historic District |
| Downtown Dayton Historic District |
| Downtown Ellensburg Historic District |
| Downtown Pomeroy Historic District |
| Downtown Waterville Historic District |
| Downtown Wenatchee Historic District |
| East Downtown Historic District |
| Eldridge Building |
| Electric Light Works Building |
| Empire State Building |
| Enchanted Valley Chalet |
| Evergreen Hotel |
| Fairhaven Historic District |
| Farrell Building |
| Federal Reserve Bank of San Francisco, Seattle Branch |
| Fort Nisqually Site |
| Fort Okanogan, Sites of |
| Fort Vancouver National Historic Site |
| Fratt, Charles and Idalia, House |
| Fremont Building |
| Frequency Changing Station |
| Fruit and Produce Row Historic District |
| Fuller, W. P., and Company Warehouse |
| F/V Tordenskjold (West Coast Halibut Schooner) |
| Galster House |
| Germond Block |
| Gilbert's Cabin |
| Globe Building, Beebe Building and Hotel Cecil |
| Grandview State Bank |
| Great Northern Passenger Station |
| Greene, Nelson H., House |
| Guernsey-Sturdevant Building |
| Guiry and Schillestad Building |
| Haddaway Hall |
| Ham-McEachern House |
| Hanford, Edwin H., House |
| Hewitt Avenue Historic District |
| Hill-Hilscher House |
| Hillyard High School |
| Hillyard Historic Business District |
| Holley-Mason Building |
| Holyoke Building |
| Hotel Collins |
| Hotel Laube |
| Hotel Morck |
| Hotel Sorrento |
| Hudsons Bay Gristmill Site on Colville River |
| Hulbert, Edward & Laura, House |
| Hutton Building |
Data from United States Park Service and Wikidata
