Washington state sales tax rate
The base state sales tax rate in Washington is 6.50%. State 6.5%; many services taxable. Combined commonly 8.5-10.5%.
Average local tax adds approximately 2.92%, bringing the typical combined rate to about 9.42%.
Do services need sales tax in Washington?
Yes — most services are subject to sales tax in Washington. Specific exemptions exist for professional services, healthcare, and non-discretionary services. Always confirm with the Washington Department of Revenue or your CPA for your specific industry.
Common exemptions
- Most professional services (legal, accounting, medical)
- Custom software development
State rate
6.50%
Services
Taxable
Avg local add
2.92%