Washington Sales Tax Calculator (2025)

Find up-to-date Washington sales tax rates for 2025. The state rate is 6.50%, local add-ons up to 3.90%, with an average combined rate around 10.00%. Includes exemptions and breakdowns for major cities.

Washington State applies a 6.5% statewide sales tax. Local governments add up to 3.9%, bringing combined totals between 7% and 10.25% depending on the area.

Washington Sales Tax Calculator

Enter a purchase amount — this calculator uses the average combined rate for Washington.

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10.00%
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The average combined rate in Washington is 10.00%. Local city rates may vary by ZIP code.

Overview of Washington Sales Tax

Washington’s sales tax applies to most goods and services. Local jurisdictions add their own rates to fund transportation, public safety, and infrastructure projects.

Comparison With Neighboring States

Oregon has 0% sales tax, Idaho averages 6%, and California averages 8.8%. Washington’s 10.25% maximum is among the highest in the country.

Business Tax Information

Retailers must register with the Washington Department of Revenue to collect and remit sales tax. Returns are filed monthly or quarterly depending on sales volume.

FAQs for Washington

What is Washington’s state sales tax rate?

6.5% statewide.

Can local governments add taxes?

Yes, up to 3.9% depending on the city or county.

What is the highest total rate?

10.25% in King County cities like Seattle and Bellevue.

Are groceries taxed?

No, groceries are exempt from sales tax in Washington.