San Mateo, CA

San Mateo Property Tax Estimator

Estimate your property taxes in San Mateo, San Mateo County. Median home value: $1,650,000 | 2026 effective rate: 1.10%.

Property Details

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San Mateo, San Mateo County median: $1,650,000

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San Mateo, San Mateo County average: 1.100%

California Property Tax Note

California Proposition 13 caps the base property tax rate at 1% of assessed value at purchase, plus voter-approved local bonds and assessments. Actual rates vary by city due to Mello-Roos and special assessments.

Your Property Tax Estimate

Annual Tax

$18,150

Monthly Tax

$1,513

Effective Rate

1.100%

Tax at Different Price Points in San Mateo, San Mateo County

Home PriceAnnual TaxMonthly Tax
$500,000$5,500$458
$750,000$8,250$688
$1,000,000$11,000$917
$1,500,000$16,500$1,375
$2,000,000$22,000$1,833

Based on 1.100% effective tax rate for San Mateo, San Mateo County.

Impact on Monthly Mortgage Payment

Property taxes are part of your total PITI (Principal, Interest, Taxes, Insurance) payment. Lenders include $1,513/month in your qualifying debt-to-income ratio.

Monthly Tax Escrow

$1,513

Annual Tax Bill

$18,150

Calculations are estimates for educational purposes only. Actual property taxes depend on your county assessor's valuation, local bond measures, Mello-Roos districts, and homeowner exemptions. Contact Mo Abdel at (949) 822-9662 for a personalized mortgage analysis. NMLS #1426884 | Lumin Lending NMLS #2716106.

Frequently Asked Questions

What is the property tax rate in San Mateo, California?

San Mateo is in San Mateo County, which has an average effective property tax rate of 1.10% for 2026. On San Mateo's median home value of $1,650,000, that equals approximately $18,150 per year or $1,513 per month.

How much are property taxes on a $1,650,000 home in San Mateo?

At the current effective rate of 1.10%, a home valued at $1,650,000 in San Mateo pays approximately $18,150 in annual property taxes. That breaks down to $1,513 per month added to your mortgage escrow payment.

Does San Mateo have Mello-Roos or special assessments?

Many newer developments in San Mateo, San Mateo County are subject to Mello-Roos Community Facilities District taxes. These special assessments fund infrastructure like roads, schools, and utilities and are added on top of the base property tax. The effective rate shown here includes estimated local assessments, but check your specific parcel for exact Mello-Roos amounts.

How do San Mateo property taxes affect mortgage qualification?

Lenders include property taxes in your total PITI payment when calculating debt-to-income ratios. In San Mateo, the estimated $1,513/month tax escrow on a median-priced home directly reduces the loan amount you qualify for. Mo Abdel can help you factor in property taxes when comparing loan programs.

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