Business licensing customer service

If possible, please include your Unified Business Identifier (UBI) number so we can respond to your request as quickly as possible.

Email:

mls@dol.wa.gov

Call:

• Phone: (360) 664-1400
• TTY: (360) 664-8885

Fax:

(360) 570-4959

Write:

Master License Service
Department of Licensing
PO Box 9034
Olympia, WA 98507-9034