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San Mateo County, California: property tax rate, home values and income

Effective property tax rate

0.61%

56th highest of 58 counties in California

Median home value

$1,494,500

1st highest in California

Median household income

$156,000

2nd highest in California

Population

745,100

Census ACS 2023

Sources: US Census Bureau, American Community Survey 5-year estimates · Updated 11/03/2026

In San Mateo County, California the effective property tax rate is 0.61%. The median homeowner pays $9,167 a year in real estate taxes on a home with a median value of $1,494,500. That rate is the 56th highest of the 58 California counties with published data, and the 2278th highest of 3,132 counties in the United States.

Property tax in San Mateo County

The effective rate is the median real estate tax paid divided by the median home value. The California statewide average is 0.71%, so San Mateo County is below it. Applying this county's rate to other home prices gives a rough idea of the yearly bill; actual bills depend on the school district, exemptions and the assessed value.

Home valueEstimated tax per yearPer month
$200,000$1,220$102
$300,000$1,830$153
$400,000$2,440$203
$500,000$3,050$254
$1,494,500 (county median)$9,170$764

Home values and incomes

The median home value is $1,494,500 (1st highest in California, 1st highest nationally) and the median household income is $156,000. Homes cost about 9.6 times a typical household's yearly income. Median gross rent is $2,893 a month. 59.1% of occupied homes are owner-occupied. Homeowners with a mortgage pay a median of $1,422 a year for insurance. For comparison, the California statewide median home value is $761,538.

Counties near San Mateo County in the California property tax ranking

CountyEffective rateMedian home value
Humboldt County0.65%$418,800
Tehama County0.63%$315,600
Santa Cruz County0.62%$1,015,200
San Mateo County0.61%$1,494,500
Del Norte County0.59%$319,600
Trinity County0.54%$329,000

Frequently asked questions

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

The effective property tax rate is 0.61% of home value per year, the 56th highest of 58 counties in California (Census ACS 2023 5-year estimates).

How much is property tax on a $300,000 home in San Mateo County?

At the county's effective rate of 0.61%, about $1,830 a year (roughly $153 a month). Your actual bill depends on the assessed value, your school district and exemptions.

What is the median home value in San Mateo County?

The median home value is $1,494,500 (Census ACS 2023 5-year estimates, owner-occupied homes).

What is the median household income in San Mateo County?

The median household income is $156,000 (Census ACS 2023 5-year estimates).