Understanding Property Taxes in San Mateo County, California
How San Mateo County Property Taxes Are Calculated
Property taxes in San Mateo County are calculated using the following formula:
(Assessed Value - Exemptions) ร Tax Rate = Annual Property Tax
For example, if your home is assessed at $950,000 and you have no exemptions, your annual property tax would be:
$950,000 ร 0.75% = $7,125
Assessment Process in San Mateo County
In San Mateo County, properties are assessed at 100% of their market value. The assessment is conducted by the county assessor's office.
San Mateo County is between San Francisco and Silicon Valley. Very high property values.
How to Pay Property Taxes in San Mateo County
Property taxes in San Mateo County are typically paid annually or semi-annually. Payment options include:
- Online payment through the county website
- Mail a check to the county treasurer
- In-person payment at the county office
- Through your mortgage escrow account
How to Appeal Your Assessment in San Mateo County
If you believe your property assessment is too high, you have the right to appeal. The process typically involves:
- Filing an appeal with the county board of review
- Providing evidence of comparable property values
- Attending a hearing (optional but recommended)
Appeals must be filed within 30-60 days of receiving your assessment notice. Check with San Mateo County Assessor's Office for specific deadlines.
San Mateo County Property Tax Information
๐ Key Statistics
| Average Tax Rate | 0.75% |
| Average Home Value | $950,000 |
| Average Annual Tax | $7,125 |
| Assessment Ratio | 100% |
๐ฐ Available Exemptions
- Homestead Exemption (Prop 13)
- Senior Exemption
๐ Important Notes
San Mateo County is between San Francisco and Silicon Valley. Very high property values.
๐ Useful Links
San Mateo County Property Tax Calculator
Estimate your 2026 property taxes in San Mateo County, California