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King County Sales Tax Rates for 2024
King County in Washington has a tax rate of 10% for 2024, this includes the Washington Sales Tax Rate of 6.5% and Local Sales Tax Rates in King County totaling 3.5%. You can find more tax rates and allowances for King County and Washington in the 2024 Washington Tax Tables.
How Does Sales Tax in King County compare to the rest of Washington?
Washington has 197 seperate areas each with their own Sales Tax rates with the lowest Sales Tax rate in Washington being 7% and the highest Sales Tax rate in Washington at 10%.
How is Sales Tax Calculated in King County, Washington
Sales Tax in King County, Washington is calculated using the following formula:
Where:
- s = Washington State Sales Tax Rate (6.5%)
- c = County Sales Tax Rate
- l = Local Sales Tax Rate
- sr = Special Sales Tax Rate
You can calculate Sales Tax manually using the formula or use the King County Sales Tax Calculator or compare Sales Tax between different locations within Washington using the Washington State Sales Tax Comparison Calculator.