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
If possible, please include your Unified Business Identifier (UBI) number to help us serve you faster.
Email:
BLS@dor.wa.gov
Call:
1-800-451-7985
For questions about state tax registration and reporting, call 1-800-647-7706.
Fax:
360-705-6699
Write:
State of Washington
Business Licensing Service
PO Box 9034
Olympia, WA 98507-9034
