| Central Regional Office: 15 W Yakima Ave, Suite 200 Yakima, WA 98902-3401 |
Chris Piercy (Regional Planner), chrp461@ecy.wa.gov, 509-454-7863 |
| Eastern Regional Office: 4601 N. Monroe St. Spokane, WA 99205-1295 |
James Wavada (Regional Planner), jwav461@ecy.wa.gov, 509-329-3545 |
| Southwest Regional Office: PO Box 47775 Olympia, WA 98504-7775 |
Mike Drumright (Regional Planner), mdru461@ecy.wa.gov, 360-407-6305 Tami Ramsey (Regional Planner), tmor461@ecy.wa.gov, 360-407-6612 |
| Northwest Regional Office: 3190 169th Ave SE Bellevue, WA 98008 |
Diana Wadley (Regional Planner), dwad461@ecy.wa.gov, 425-649-7056 Taisa Welhasch (Regional Planner), twel461@ecy.wa.gov, 425-649-7266 |
| Headquarters Office: 300 Desmond Dr. SE, Lacey, WA 98503 |
Ellen Caywood, ecay461@ecy.wa.gov, 360-407-6132 Randy Martin, rama461@ecy.wa.gov, 360-407-6136 |