What is the sales tax in zip code 99349? - The sales tax in zip code 99349 in Mattawa, Washington is 8.4% as of 2025. Use the 99349 sales tax rate calculator to calculate the sales tax for any purchase in 99349.
99349 Sales Tax Rate Calculator |
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Below is a list of the state sales tax, city sales tax, and county tax rate for .
| County | State | City | Zip Code | State Tax | City Tax | County Tax | Total Tax |
|---|---|---|---|---|---|---|---|
| Grant | Washington | Mattawa | 99349 | 6.5% | 1.9% | 0% | 8.4% |