WA State Licensing: Business licensing customer service
Need help with My DOR?
We are experiencing high call volumes. For tips on getting started with My DOR, visit the My DOR Help page

Contact us

Customer service hours
Monday: 8 a.m. – 5 p.m.
Tuesday: 8 a.m. – 5 p.m.
Wednesday: 8 a.m. – 5 p.m.
Thursday: 9 a.m. – 5 p.m.
Friday: 8 a.m. – 5 p.m.
Saturday: Closed
Sunday: Closed

How to contact us

Please include your Unified Business Identifier (UBI) number to help us serve you faster.

Online applications are typically processed within ten business days. It may take up to 21 days if you file by mail.






For questions about reseller permits, tax liability, and tax reporting requirements, go to http://dor.wa.gov or call 1-800-647-7706.

Teletype (TTY)
– Dial 711 for free Washington Relay Service




State of Washington
Business Licensing Service
PO Box 9034
Olympia, WA 98507-9034

Office location:

If you prefer to file in person, you can visit our Tumwater office at:

Business Licensing Service
Department of Revenue
6500 Linderson Way SW, 1st floor
Tumwater, WA 98501
Toll free: 1-800-451-7985
Hours: 8 a.m. to 5 p.m. Monday through Friday

Map and driving directions


Other Services:

Request a public record.