Sammamish, WA Sales Tax Rate

The current total local sales tax rate in Sammamish, WA is 10.000%. The December 2019 total local sales tax rate was also 10.000%.

Sales Tax Breakdown

Washington State6.500%
King County3.500%
Total 10.000%

Sammamish Details

Sammamish, WA is in King County. Sammamish is in the following zip codes: 98074, 98075.