What is the sales tax in San Mateo city? - The sales tax in San Mateo city of California is 9.625% as of 2025. Use the San Mateo sales tax calculator to calculate the sales tax for any purchase in San Mateo.
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Below is a list of the state sales tax, city sales tax, and county tax rate for San Mateo.
| County | State | City | Zip Code | State Tax | City Tax | County Tax | Total Tax |
|---|---|---|---|---|---|---|---|
| San Mateo | California | San Mateo | 94402 | 6% | 0.25% | 0.25% | 9.625% |