StadiumLumen Field
| Current capacity of the stadium |
| Standing | 39 800 |
| Seats | 24 900 |
| Tribune | 14 900 |
| Seats for sponsors | 500 |
| Fans attended |
| 30. 4. 2026 | Seattle Sounders FC-Portland Timbers | 10 777 |
| 25. 4. 2026 | Seattle Sounders FC-Waterbury | 10 572 |
| 16. 4. 2026 | Seattle Sounders FC-Philadelphia Union | 10 017 |
| 15. 4. 2026 | Seattle Sounders FC-Elfsborg | 12 190 |
| 13. 4. 2026 | Seattle Sounders FC-Phoenix | 9 255 |
| 11. 4. 2026 | Seattle Sounders FC-Traverse city | 10 562 |
| 10. 4. 2026 | Seattle Sounders FC-Olympiacos Pireus F.C. | 11 199 |
| 6. 4. 2026 | Seattle Sounders FC-North Charleston | 10 150 |
| 2. 4. 2026 | Seattle Sounders FC-Houston Dynamo | 9 679 |