OAH field offices are at the following locations:
Olympia
Office of Administrative Hearings
2420 Bristol Court S.W.
P.O. Box 42489
Olympia, WA 98504-2489
360-407-2700
1-800-583-8271
fax: 360-586-6563
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Seattle
Office of Administrative Hearings
One Union Square
600 University Street, Suite 1500
Mailstop: TS-07
Seattle, WA 98101-1129
206-389-3400
1-800-845-8830
fax: 206-587-5135
Tacoma
Office of Administrative Hearings
949 Market Street, Suite 500
Tacoma, WA 98402
253-476-6888
fax: 253-593-2200
Spokane
Office of Administrative Hearings
16201 E. Indiana Avenue, Suite 5600
Spokane Valley, WA 99216
509-456-3975
1-800-366-0955
fax: 509-456-3997