What is the sales tax in zip code 98611? - The sales tax in zip code 98611 in Castle Rock, Washington is 7.9% as of 2025. Use the 98611 sales tax rate calculator to calculate the sales tax for any purchase in 98611.
98611 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 |
|---|---|---|---|---|---|---|---|
| Cowlitz | Washington | Castle Rock | 98611 | 6.5% | 1.4% | 0% | 7.9% |