Washington - Area of significance: Architecture
| Fire Station No. 5 |
| First Baptist Church |
| First Christian Church |
| First Congregational Church of Spokane |
| First Day Advent Christian Church |
| First Methodist Episcopal Church |
| First Methodist Protestant Church of Seattle |
| First Railroad Addition Historic District |
| Fish and Game-Hozomeen Cabin |
| Fitzgerald, Thomas, House |
| Five Mile Prairie School |
| Flatiron Building |
| Flick Creek Shelter |
| Flintner, Frank, House |
| 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 Okanogan Interpretive Center |
| Fort Simcoe State Park |
| Fort Spokane Military Reserve |
| Fort Steilacoom |
| Fort Ward Historic District |
| Fourth Church of Christ, Scientist |
| Fowler, Capt. Enoch S., House |
| Fox Theater |
| Franklin County Courthouse |
| Franklin Elementary School |
| Fraternal Order of Eagles Hall-Anacortes |
| Fratt, Charles and Idalia, House |
| Freeway Park |
| Fremont Building |
| Fruit and Produce Row Historic District |
| Fuller, W. P., and Company Warehouse |
| Full Gospel Church |
| Funk House |
| F/V WESTERN FLYER (purse seiner) |
| Gaffney's Lake Wilderness Lodge |
| Gagen-Sherlock House |
| Gallaher House |
| Galland, Caroline Kline, House |
| Gamwell House |
| Garfield County Courthouse |
| Garland Theater |
| General Administration Building |
| Georgia-Pacific Plywood Company Office |
| Germond Block |
| Gilbert, H. M., House |
| Gleed, James, Barn |
| Glencove Hotel |
| Globe Building, Beebe Building and Hotel Cecil |
| Globe Hotel, The |
| Glover House |
| Goldendale Free Public Library |
| Goodman, Daniel, House |
| Gothen Creek Ranger Station |
| Government Mineral Springs Guard Station |
| Grace Baptist Church |
| Grace Evangelical Church of Vader |
| Graham, J. S., Store |
| Grand Pacific Hotel |
| Grandview Herald Building |
| Grandview High School |
| Grandview State Bank |
| Grant County Courthouse |
| Graves Creek Ranger Station |
| Gray, Dr. Paschal and Agnes, House |
| Grays Harbor Light Station |
| Great Northern Depot |
| Great Northern Depot |
| Great Northern Passenger Station |
| Green, Albert and Letha, House and Barn |
| Greene, James, House |
| Greene, Nelson H., House |
| Green Mountain Lookout |
| Green Park School |
| Griffiths, J. W., House |
| Haddaway Hall |
| Hale, Calvin and Pamela, House |
| Haller, Colonel Granville & Henrietta, House |
| Hallett House |
| Hamilton-Worthington House |
| Ham-McEachern House |
| Hanford, Edwin H., House |
| Happy Four Shelter |
| Harper, F. C., House |
| Harrington Bank Block and Opera House |
| Hartley, Roland, House |
| Hartline School |
| Harvard-Belmont District |
| Hawthorne Square |
| Hayes River Fire Cache |
| Heilsberg, Gustave, Farm |
| Heisen, Henry, House |
| Hershey, Peter L. and Emma, Homestead |
| Hewitt Avenue Historic District |
| Hidden Houses |
| Hidden Lake Peak Lookout |
Data from United States Park Service and Wikidata