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Mercer Island, WA Sales Tax Rate

The current total local sales tax rate in Mercer Island, WA is 10.100%. The December 2020 total local sales tax rate was 10.000%.

Sales Tax Breakdown

District	Rate
Washington State	6.500%
King County	3.600%
Mercer Island	0.000%
Total	10.100%

Mercer Island Details

Mercer Island, WA is in King County. Mercer Island is in the following zip codes: 98040.

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