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Seattle, Washington sales tax rate

Seattle combined sales tax rate for 2026

10.55%

Washington

6.5%

King County

0.0%

Seattle

4.05%

Total rate range

10.55%

*Rates are rounded to the nearest hundredth. Due to varying local sales tax rates, we strongly recommend our lookup and calculator tools on this page for the most accurate rates.

Seattle sales tax details

The minimum combined 2026 sales tax rate for Seattle, Washington is 10.55%. This is the total of state, county, and city sales tax rates. The Washington sales tax rate is currently 6.5%. The Seattle sales tax rate is 4.05%.

Download multi-state tax rate tables

Get sales tax rate tables for all the states where you do business. Download rates tables for multiple states down to the ZIP code.

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Sales tax rate lookup and sales tax item calculator

Look up the current rate for a specific address using the same geolocation technology that powers the Avalara AvaTax rate calculation engine.

Tax rates can vary within a county, a city, or even a ZIP code. Using a street address helps to ensure more accurate rates and calculations when compared to relying on broader geographic indicators.

 

*Rates are rounded to the nearest hundredth.

Enter any U.S. address to get the sales tax rate for your exact location

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Automate your calculations

AvaTax offers street-level precision at the point of sale, eliminating the need to look up rates or maintain a database. Rate updates are pushed to your system automatically, based on the latest jurisdiction rules and regulations.