What is the sales tax for 99349 Mattawa, Washington? - The sales tax for 99349 Mattawa, Washington is 8.4% as of 2025. 8.4% is the combine sales tax from 6.5% of Washington state sales tax, 1.9% of local sales tax, and 0% of Grant county sales tax.
| Zip Code | 99349 | ||
|---|---|---|---|
| State | Washington | State Tax | 6.5% |
| City | Mattawa | City Tax | 1.9% |
| County | Grant | County Tax | 0% |
| Special Tax | 0% | ||
| Total Sales Tax | 8.4% | ||
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