What is the sales tax for San Mateo, California? - The sales tax for San Mateo, California is 9.625% as of 2025. 9.625% is the combine sales tax from 6% of California state sales tax, 0.25% of local sales tax, and 0.25% of San Mateo county sales tax.
| State | California | State Tax | 6% |
|---|---|---|---|
| City | San Mateo | City Tax | 0.25% |
| County | San Mateo | County Tax | 0.25% |
| Special Tax | 3.125% | ||
| Total Sales Tax | 9.625% | ||
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