Region 10 (Seattle) Regional Office

909 1st Ave, Suite 201A
Seattle, WA 98104

Mailing address:
U.S. Department of Labor – OSHA
Region 10 Regional Office
20425 72nd Ave South, Suite 150 A
Kent,  WA 98032-2388

(206) 757-6700
(206) 757-6705

* This is one of the 29 OSHA-approved State Plans. Twenty-two State Plans (21 states and Puerto Rico) cover both private and state and local government workplaces. The other seven State Plans (Connecticut, Illinois, Maine, Massachusetts, New Jersey, New York, and the Virgin Islands) cover state and local government workers only.