Washington - Significance region: Local
| Fire Alarm Station |
| Fireboat Station |
| Fire Station No. 1 |
| Fire Station No. 10 |
| Fire Station No. 14 |
| Fire Station No. 15 |
| Fire Station No. 18 |
| Fire Station No. 2 |
| Fire Station No. 23 |
| Fire Station No. 25 |
| Fire Station No. 5 |
| Fir Lodge |
| 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 |
| Flick Creek Shelter |
| Flintner, Frank, House |
| Floral Hall |
| Ford Motor Company Assembly Plant |
| Fort Okanogan Interpretive Center |
| Fourth Church of Christ, Scientist |
| Fowler, Capt. Enoch S., House |
| Fox Island School |
| Fox Theater |
| Franklin Elementary School |
| Fraternal Order of Eagles Hall-Anacortes |
| Fratt, Charles and Idalia, House |
| Fremont Building |
| Frequency Changing Station |
| Frink Park |
| Fuller, W. P., and Company Warehouse |
| Full Gospel Church |
| Funk House |
| F/V Tordenskjold (West Coast Halibut Schooner) |
| F/V WESTERN FLYER (purse seiner) |
| Gagen-Sherlock House |
| Galbraith, John, House |
| Galland, Caroline Kline, House |
| Galster House |
| Garfield County Courthouse |
| Garland Theater |
| Gate School |
| Gendron, O.J., Ranch |
| Georgia-Pacific Plywood Company Office |
| Germond Block |
| Gilbert, H. M., House |
| Gilbert's Cabin |
| Gleed, James, Barn |
| Glencove Hotel |
| Glenwood School |
| Globe Hotel, The |
| Glover House |
| Goldendale Free Public Library |
| Golden West Lodge Historic District |
| Goodman, Daniel, House |
| Government Mineral Springs Guard Station |
| Grace Baptist Church |
| Grace Evangelical Church of Vader |
| Graham, J. S., Store |
| Grande Ronde River Bridge |
| Grandview Herald Building |
| Grandview High School |
| Grandview State Bank |
| Gray, Dr. Paschal and Agnes, House |
| Grays River Covered Bridge |
| Great Northern Depot |
| Green, Albert and Letha, House and Barn |
| Greene, James, House |
| Greene, Nelson H., House |
| Green Park School |
| Griffiths, J. W., House |
| Grimm House |
| Guernsey-Sturdevant Building |
| Guiry and Schillestad Building |
| Hale, Calvin and Pamela, House |
| Hallett House |
| Hamilton-Worthington House |
| Ham-McEachern House |
| Hanford, Edwin H., House |
| Harper, F. C., House |
| Harrington Bank Block and Opera House |
| Harstine Island Community Hall |
| 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 |
| High Bridge Ranger Station Historic District |
| High Bridge Shelter |
| Highland Apartments |
Data from United States Park Service and Wikidata
