WA State Licensing: Business licensing customer service

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.






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:

Business License Applications filed online are typically processed within 10 business days. Paper applications filed in person or by mail take up to 21 days.

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.