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San Mateo County, CA Housing Market

$1,581,355

3.6% 1-yr

The average San Mateo County, CA home value is $1,581,355, up 3.6% over the past year, and homes go to pending in around 15 days. (Updated on )

What is the Zillow Home Values Index?

Zillow Home Value Index (ZHVI), built from the ground up by measuring monthly changes in property level Zestimates, captures both the level and home values across a wide variety of geographies and housing types.

Learn more about the Zillow Home Value Index

San Mateo County Key Takeaways

Typical Home Values: $1,581,355

1-Year Value Change: +3.6%

(Data through August 31, 2026)

San Mateo County Housing Market Overview

1-Year Market Forecast: --
For Sale Inventory: 1,045 ()
New Listings: 419 ()
Median Sale to List Ratio: 1.026 ()
Median Sale Price: $1,685,333 ()
Median List Price: $1,429,266 ()
Percent of Sales Over List Price: 63.2% ()
Percent of Sales Under List Price: 30.2% ()
Median Days to Pending: 15 ()
(Metric availability is based on market coverage and data, housing data available for download in the Housing Data page)
How does this data help me?
Zillow's metrics provide valuable market data by tracking market changes in different locations and housing types.

Cities in San Mateo County

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San Mateo County Rental Market Trends

Average Rent: $3,930 ()
National Average Rent: $1,948 ()
Month-Over-Month Change: 1.7% ()
Year-Over-Year Change: 10% ()
How does this data help me?
The Zillow Observed Rent Index (ZORI) measures changes in asking rents over time, controlling for changes in the quality of the available rental inventory.

Frequently Asked Questions

  • What are current home values in San Mateo County, CA?

    The median home value in San Mateo County, CA is $1,581,355 as of August 2026. This represents a 0.7% increase compared to last month and a 3.5% increase year-over-year.

  • How do home values in San Mateo County, CA compare to California and the national average?

    The median home value in San Mateo County, CA ($1,581,355) compares to California ($764,158) and the U.S. national median ($368,697).

  • What are the top cities in San Mateo County, CA by home value?

    The cities with the highest median home values in San Mateo County, CA include: Atherton ($8,521,138), Hillsborough ($5,470,751), Portola Valley ($4,259,131), Woodside ($3,939,365), Emerald Lake Hills ($2,884,920). These cities represent the most expensive areas within the county.

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