California Sales Tax Rates: San Mateo County
San Mateo County, California Sales Tax Rate 2026 Up to 9.875%
A county-wide sales tax rate of 0.25% is applicable to localities in San Mateo County, in addition to the 6% California sales tax.
Some cities and local governments in San Mateo County collect additional local sales taxes, which can be as high as 3.625%.Here's how San Mateo County's maximum sales tax rate of 9.875% compares to other counties around the United States:
- Higher maximum sales tax than 81% of California counties
- Higher maximum sales tax than 88% of counties nationwide
Tax Rates By City in San Mateo County, California
The total sales tax rate in any given location can be broken down into state, county, city, and special district rates. California has a 6% sales tax and San Mateo County collects an additional 0.25%, so the minimum sales tax rate in San Mateo County is 6.25% (not including any city or special district taxes). This table shows the total sales tax rates for all cities and towns in San Mateo County, including all local taxes.
| City | Sales Tax Rate | Tax Jurisdiction |
|---|---|---|
| Redwood City | 9.875% | Redwood City |
| South San Francisco | 9.875% | South San Francisco |
| Daly City | 9.875% | South San Francisco |
| Daly City | 9.875% | Colma |
| Burlingame | 9.625% | Burlingame |
| San Bruno | 9.875% | San Bruno |
| San Mateo | 9.625% | San Mateo |
| Menlo Park | 9.875% | East Palo Alto |
| Pacifica | 9.875% | Pacifica Hotel Business Improvement District |
| San Mateo | 9.875% | Belmont |
| San Carlos | 9.875% | Belmont |
| San Mateo | 9.625% | Burlingame |
| Belmont | 9.875% | Belmont |
| San Mateo | 9.875% | Daly City |
| Millbrae | 9.875% | San Bruno |
| Half Moon Bay | 9.875% | Half Moon Bay |
| Portola Valley | 9.75% | Palo Alto |
| Atherton | 9.375% | San Francisco Peninsula Tmd |
| Brisbane | 9.875% | Brisbane |
| El Granada | 9.375% | Half Moon Bay Hotel Business Improvement District |
| Montara | 9.375% | Half Moon Bay Hotel Business Improvement District |
| Moss Beach | 9.375% | San Francisco Peninsula Tmd |
| Pescadero | 9.5% | Santa Cruz |
| La Honda | 9.75% | Palo Alto |
| Menlo Park | 9.375% | Menlo Park |
| Daly City | 9.875% | Daly City |
| Loma Mar | 9.375% | San Francisco Peninsula Tmd |
| San Gregorio | 9.375% | San Francisco Peninsula Tmd |
California Sales Tax Rates by Zip Code:
Need an updated list of California sales tax rates for your business? Download our California sales tax database!
San Mateo County, California has a maximum sales tax rate of 9.875% and an approximate population of 582,010.
Sales tax rates in San Mateo County are determined by seventeen different tax jurisdictions, Belmont, Brisbane, Burlingame, Colma, Daly City, East Palo Alto, Half Moon Bay, Half Moon Bay Hotel Business Improvement District, Menlo Park, Pacifica Hotel Business Improvement District, Palo Alto, Redwood City, San Bruno, San Francisco Peninsula Tmd, San Mateo, Santa Cruz and South San Francisco.
Back to California Sales Tax Handbook Sales tax rates for San Mateo County are current as of June 2026