WA State Licensing: Business licensing customer service
Need help with My DOR?
We are experiencing high call volumes. Before we can assist you, make sure you have a Secure Access Washington user ID (tutorial video). See if you have a user ID.

Need a letter ID? Use our form to request one.

For more 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

Local offices:

If you prefer to file in person, you may visit any Department of Revenue office.


Other Services:

Request a public record.