Find out who to contact if you have questions about business or professional licenses that we issue and oversee.
How to contact the Department of Licensing
We regulate the following types of licenses. If you don't see the license you're looking for, please try the full list of Washington licenses.
TTY: call 711.
Business and Professions Division
Department of Licensing
PO Box 9020
Olympia, WA 98507-9020
Send faxes to 360-586-1596.
- To get a Washington business license and Unified Business Identifier (UBI) number, apply for a state business license from the Department of Revenue.