| Stadium | County | Home team | Seats |
|---|---|---|---|
| Avista Stadium | Spokane County | Spokane Indians | 6,803 |
| Cheney Stadium | Pierce County | Tacoma Rainiers, Tacoma Defiance | 7,429 |
| Everett Memorial Stadium | Snohomish County | Everett AquaSox | 3,682 |
| Gesa Stadium | Franklin County | Tri-City Dust Devils | 3,654 |
| Husky Stadium | King County | Washington Huskies football | 70,083 |
| Lumen Field | King County | Seattle Sounders FC, Seattle Seahawks, Seattle Reign FC, Seattle Sea Dragons | 67,000 |
| Martin Stadium | Whitman County | Washington State Cougars football | 32,740 |
| Parker Field | Yakima County | Hillsboro Hops | - |
| T-Mobile Park | King County | Seattle Mariners | 47,476 |
| Yakima County Stadium | Yakima County | Hillsboro Hops | 3,000 |