Construction

Sales tax now applies to some services

Starting October 1: Some business services are now subject to retail sales tax, as required by state law, ESSB 5814. When you buy these services, vendors should add sales tax to your bill. If you sell these services, you should begin collecting retail sales tax. Learn more about Services newly subject to retail sales tax.

Businesses must understand Washington's business tax system and general application of Business and Occupation (B&O) tax classifications, retail sales tax, and use tax to properly report tax. This publication is a guide to help those engaged in construction activities determine their state tax liability.

For more information or answers to any questions about Washington excise taxes, please contact us.

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Check out our Tax Topic article: Bidding on Construction Projects

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Updated February 2023