Cost of Living in San Mateo County, California
At a Glance
Rent burden measured as median gross rent as a percentage of renter household income (Census ACS B25071)
How San Mateo County Compares
Median monthly rent comparison
Detailed Housing Stats
Data Story
About Cost of Living in San Mateo County, California
San Mateo's rent burden rivals the nation
San Mateo renters spend 22.3% of their income on housing—just below the state average of 22.4%—making it more affordable than the typical American county. With a median household income of $156,000, residents here earn more than double the national median of $74,755, cushioning the impact of high rents.
Among the most expensive in California
San Mateo ranks among California's priciest counties, with a median home value of $1.49 million and rents averaging $2,893 per month. Though the rent-to-income ratio sits slightly better than state average, the absolute costs place it firmly in the state's unaffordable tier.
The Peninsula premium over the valley
Renters in San Mateo pay $1,275 more monthly than their Santa Clara County neighbors ($2,893 vs. $2,814), despite similar income levels. Compared to nearby Santa Cruz County ($2,172/month), San Mateo's rental market commands a 33% premium.
Where income goes in San Mateo
The typical household earning $156,000 annually faces $2,893 in monthly rent or $3,278 for ownership costs. Combined with other expenses, housing consumes roughly one-quarter of household income—manageable for high earners, but leaving less for savings and other needs.
Considering San Mateo? Know the tradeoffs
High incomes make San Mateo work for many professionals, but the $1.49 million median home price requires substantial savings or income. Compare these costs against Santa Clara ($1.38M homes) or Santa Cruz ($1.02M) if you're weighing Bay Area options.
Affordability Calculator
See how your income compares to housing costs in San Mateo County
Rent Burden
22.3%
of gross income
Max Housing (28% Rule)
$3,640
per month
Owner Cost Burden
25.2%
of gross income
The median home in San Mateo County may be a stretch
Median home value is $1,494,500. Estimated monthly cost: $11,931 vs. your max of $3,640.
Rent Affordability Guide
Frequently Asked Questions
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See Today's RatesData: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2019-2023) — Informational only. Not financial or legal advice.