Mortgage Blueprint

San Mateo, CA Property Tax Rate (FY 2025-26)

San Mateo's property tax rate is 1.1201% for fiscal year 2025-26 in its primary tax rate area: the 1% Proposition 13 base plus 0.1201% in voter-approved bonds.

First-year property tax by purchase price

Under Proposition 13 the purchase price becomes the assessed value, so the first-year tax at the city rate is the price times 1.1201%. Fixed assessments come on top. Your true tax rate is the two together, the tax at the city rate plus fixed assessments, divided by the purchase price on a newly purchased home.

Estimated first-year property tax in San Mateo, CA at 1.1201% (FY 2025-26)
Purchase priceAnnual taxMonthly
$500,000$5,600.50$466.71
$750,000$8,400.75$700.06
$1,000,000$11,201.00$933.42
$1,500,000$16,801.50$1,400.13
$2,000,000$22,402.00$1,866.83

Property tax calculator

Search for a city, then change the price, rate or fixed assessments to estimate a first-year bill. It uses the same math as Mortgage Blueprint's tax breakdown.

Fixed assessments are the Mello-Roos, parcel taxes and special assessments on the property's tax bill. We start with an estimate of $1,500 a year. They vary by parcel, so check the actual bill.

Look up your San Mateo County tax bill

Annual property tax$12,622.59$1,051.88 a month
True tax rate1.262%the rate you really pay

Your true tax rate counts the whole bill, not just the city rate. On a newly purchased home: ($11,122.59 at the city rate + $1,500.00 in fixed assessments) ÷ $1,000,000 purchase price.

How that adds up
Home exemption-$7,000
Taxable value$993,000
Tax at the city rate$11,122.59
Fixed assessments$1,500.00
Annual property tax$12,622.59

What this rate leaves out

Look up a tax bill

Look up your San Mateo County property tax bill on the San Mateo County Tax Collector site. San Mateo County property tax rates and due dates.

Loan limits

San Mateo is in San Mateo County, where the 2026 conforming loan limit for a one-unit home is $1,249,125. San Mateo County loan limits.

Other cities in San Mateo County

Property tax rates, San Mateo County (FY 2025-26)
City or communityTax rate (FY 2025-26)
Atherton1.0913%
Belmont1.1247%
Brisbane1.1560%
Broadmoor1.1602%
Burlingame1.1196%
Colma1.1602%
Daly City1.1602%
East Palo Alto1.1191%
El Granada1.1598%
Emerald Hills1.0941%
Foster City1.1456%
Half Moon Bay1.1598%
Highlands1.1171%
Hillsborough1.1185%
La Honda1.1146%
Loma Mar1.1146%
Menlo Park1.0958%
Millbrae1.1263%
Montara1.1828%
Moss Beach1.1828%
North Fair Oaks1.0941%
Pacifica1.1774%
Pescadero1.1146%
Portola Valley1.0860%
Redwood City1.0941%
San Bruno1.0831%
San Carlos1.1161%
San Gregorio1.1146%
South San Francisco1.0718%
Woodside1.0935%

Source

Rate from Tax Rates and Valuation of Taxable Property of San Mateo County, fiscal year 2025-2026 (County Controller). All California city rates.

See San Mateo's taxes in your payment in Mortgage Blueprint