What is the sales tax for 99346 Plymouth, Washington? - The sales tax for 99346 Plymouth, Washington is 8.1% as of 2025. 8.1% is the combine sales tax from 6.5% of Washington state sales tax, 0% of local sales tax, and 1.6% of Benton county sales tax.
| Zip Code | 99346 | ||
|---|---|---|---|
| State | Washington | State Tax | 6.5% |
| City | Plymouth | City Tax | 0% |
| County | Benton | County Tax | 1.6% |
| Special Tax | 0% | ||
| Total Sales Tax | 8.1% | ||
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