| Business | Phone |
| Developmental Disabilities Svc 900 E College Way 110, Mount Vernon 98273 | (360) 416-7261 |
| Home & Community Svc Dept 900 E College Way 210, Mount Vernon 98273 | (360) 416-7289 |
| Social & Health Svc Dept 900 E College Way 100, Mount Vernon 98273 | (360) 416-7444 |