What is the sales tax in zip code 91931? - The sales tax in zip code 91931 in Guatay, California is 7.75% as of 2025. Use the 91931 sales tax rate calculator to calculate the sales tax for any purchase in 91931.
91931 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 |
|---|---|---|---|---|---|---|---|
| San Diego | California | Guatay | 91931 | 6% | 0% | 0.25% | 7.75% |