Template:WashingtonBlockhouses
| No. | Name | Located | Source | Notes |
|---|---|---|---|---|
| 1 | Fort at Cowlitz Landing | Cowlitz Landing | 1 | Stockaded |
| 1 | Unknown | French settlement, near Cowlitz Farms | 1 | |
| 1 | Unknown | Skookum Chuck | 1 | |
| 1 | Unknown | Chehalis River below mouth of Skookum Chuck | 1 | |
| 1 | Fort Miller | Tenalquot Plains | 1 | |
| 1 | Fort Stevens | Yelm Prairie | 1 | |
| 1 | Unknown | Lowe's on Chambers Praire | 1 | |
| 2 | Unknown | Olympia | 1 | |
| 1 | Fort Raglan | Packards Ferry | 1 | Stockaded |
| 2 | Fort Hicks | Montgomery's | 1 | Built by Pioneer Co. |
| 1 | Fort White | Crossing of Puyallup | 1 | |
| 2 | Fort Hays | Connel's Prairie | 1 | |
| 1 | Fort Pike | Crossing of White River | 1 | |
| 1 | Fort Posey | Crossing of White River | 1 | |
| 1 | Fort McAllister | South Prairie | 1 | |
| 1 | Fort Lander | On Dewamish | 1 | Built by Volunteers |
| 1 | Fort Decatur | Seattle | 1 | |
| Sources: 1. Whiting, J.S., Forts of the State of Washington: A record of Military and Semi-Military Establishments Designated as Forts, Kelly Printing Company, Seattle, Second Edition, 1951, page 4-11 | ||||