Street Address: 2000 Fourth Avenue West, Olympia, WA 98502
Mailing Address(Forms with no payments): P.O. Box 9021, Olympia, WA 98507-9021
Mailing Address(Forms with payments): P.O. Box 3917, Seattle, WA 98124-3917
Telephone: 360.664.6488
Fax: 360.586.0998
Washington State Department of Licensing Website