What is the sales tax in zip code 85140? - The sales tax in zip code 85140 in San Tan Valley, Arizona is 8.95% as of 2025. Use the 85140 sales tax rate calculator to calculate the sales tax for any purchase in 85140.
85140 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 |
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| Pinal | Arizona | San Tan Valley | 85140 | 5.6% | 2.25% | 1.1% | 8.95% |