Washington - Criteria: C (architecture/engineering)
| Fire Station No. 23 |
| Fire Station No. 25 |
| Fire Station No. 5 |
| First Christian Church |
| First Congregational Church of Spokane |
| First Day Advent Christian Church |
| First Methodist Episcopal Church |
| First Methodist Protestant Church of Seattle |
| Fish and Game-Hozomeen Cabin |
| Flatiron Building |
| Floral Hall |
| Ford Motor Company Assembly Plant |
| Fort Flagler |
| Fort George Wright Historic District-Fort George Wright Cemetery |
| Fort Lawton |
| Fort Nisqually Granary and Factor's House |
| Fort Simcoe State Park |
| Fort Steilacoom |
| Fort Ward Historic District |
| Fort Worden |
| Fourth Church of Christ, Scientist |
| Fowler, Capt. Enoch S., House |
| Fox Theater |
| Franklin County Courthouse |
| Franklin Elementary School |
| Fremont Bridge |
| Fremont Building |
| Full Gospel Church |
| Funk House |
| F/V WESTERN FLYER (purse seiner) |
| Gaffney's Lake Wilderness Lodge |
| Gallaher House |
| Gamwell House |
| Garfield County Courthouse |
| Garland Theater |
| Gas Works Park |
| Glencove Hotel |
| Glines Canyon Hydroelectric Power Plant |
| Globe Building, Beebe Building and Hotel Cecil |
| Globe Hotel, The |
| Goldendale Free Public Library |
| Gorge Hydroelectric Power Plants |
| Gothen Creek Ranger Station |
| Grace Baptist Church |
| Grace Evangelical Church of Vader |
| Grand Coulee Bridge |
| Grande Ronde River Bridge |
| Grand Pacific Hotel |
| Grant County Courthouse |
| Graves Creek Ranger Station |
| Grays Harbor Light Station |
| Great Northern Depot |
| Green, Albert and Letha, House and Barn |
| Greene, Nelson H., House |
| Green Mountain Lookout |
| Hale, Calvin and Pamela, House |
| Happy Four Shelter |
| Harrington Bank Block and Opera House |
| Hartley, Roland, House |
| Harvard-Belmont District |
| Hayes River Fire Cache |
| Hewitt Avenue Historic District |
| Hidden Houses |
| Hidden Lake Peak Lookout |
| High Bridge Shelter |
| High Steel Bridge |
| Hill, Samuel, House |
| Hillside Historic District |
| Hjertoos, Andrew and Bergette, Farm |
| Hoge Building |
| Holley-Mason Building |
| Hollywood Farm |
| Holy Cross Polish National Catholic Church |
| Holyoke Building |
| Holy Trinity Episcopal Church |
| Holy Trinity Orthodox Church |
| Hoquiam Olympic Stadium |
| Hoquiam River Bridge |
| Hoquiam's Castle |
| Hotel Laube |
| House of Providence |
| Huckleberry Creek Patrol Cabin |
| Hull Building |
| Hutton Building |
| Hutton Settlement |
| Hyak Shelter |
| Hyde, Samuel, House |
| Idaho and Wash. Northern RR Bridge |
| Immanuel Lutheran Church |
| Independent Order of Odd Fellows (IOOF) Hall No. 148 |
| Indian Bar Trail Shelter |
| Indian Henry's Patrol Cabin |
| Indian Shaker Church |
| Indian Timothy Memorial Bridge |
| Interlake Public School |
| Ipsut Creek Patrol Cabin |
| Issaquah Sportsmen's Club |
| Jefferson County Courthouse |
| JOHN N. COBB (fisheries research vessel) |
| Kemp & Hebert Building |
Data from United States Park Service and Wikidata
