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The Board of Industrial Insurance Appeals (BIIA) is an independent state agency. It is separate from the Department of Labor and Industries. The BIIA's purpose is to hear and decide appeals from decisions of the Department.

The purpose of this website is to provide useful information about the BIIA and the appeal process. You will find easy access to current laws, rules, and Significant Board Decision.

The headquarters, and principal office of the BIIA is Olympia, Washington. Our mailing address is:

Board of Industrial Insurance Appeals
PO Box 42401
Olympia WA 98504-2401

Office hours are 8 a.m. to 5 p.m., P.S.T., Monday through Friday, excluding legal holidays.

We are pleased to provide you with our new toll-free FAX number:


All former Seattle, Tacoma, Spokane, and Yakima FAX numbers will no longer be in service after July 31st.

Reasonable Accommodation

Please visit the Reasonable Accommodation page for more information about equal access to services and facilities for persons with disabilities at the BIIA.


Questions or comments about this website ONLY may be sent to

For general inquiry or questions regarding active cases, please call our Olympia office (360)753-6823.