Verified April 2026
Washington Sales Tax Rates: 2026 County Guide
Complete sales tax breakdown for all 35 counties in Washington. Select a county to see city-level rates and How-To guides.
Rates verified: March 2026
Combined Rate
9.500%
State6.500%
Washington Base State Tax Rate
| Jurisdiction | Rate |
|---|---|
| Washington State Sales Tax | 6.500% |
| Total Combined Rate | 9.500% |
Economic Nexus Threshold
If your business exceeds
$100,000
in annual Washington sales or
200 transactions,
you must register and collect sales tax — even from out of state.
Avg Local Tax Rate
The average combined local tax rate across Washington is
3.00%.
The highest local rate is 4.10%.
All 35 Washington Counties
Adams
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Benton
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Clallam
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Clark
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Columbia
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Cowlitz
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Douglas
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Ferry
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Franklin
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Garfield
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Grant
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Grays Harbor
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Island
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Jefferson
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King
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Kitsap
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Klickitat
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Lewis
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Lincoln
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Mason
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Pacific
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Pend Oreille
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Pierce
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San Juan
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Skagit
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Skamania
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Snohomish
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Spokane
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Stevens
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Thurston
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Wahkiakum
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Walla Walla
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Whatcom
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Whitman
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Yakima
View Rates
Sales Tax Calculator
Using 9.500% rate for Washington
$
Tax Amount
$0.00
Total with Tax
$100.00
Rate applied: 9.500% combined