Counties › San Mateo County, CA
Is the housing market slowing down in San Mateo County, CA?
No real change. 483 homes sold in San Mateo County, CA during May 2026, against 498 in the same months a year earlier. That gap is small enough to be ordinary month-to-month variation rather than a trend.
This page is about how many homes changed hands, not what they cost. The two move separately: prices are set by the homes that did sell, and volume tells you how many people managed to transact at all. A market can hold its prices while activity quietly drains out of it.
We call this unchanged deliberately. The difference between 483 and 498 sales is inside the range that a normal month produces on its own, so calling it a decline or a recovery would be reading a story into noise.
The longer view, all measured over the May window so the season is held constant: 509 homes sold two years ago, 498 last year, 483 now. Across two years the level has held roughly steady.
What is on the shelf next to what is selling: 782 homes were on the market in San Mateo County, CA, and 483 sold. At that pace it would take about 1.6 months to clear them all. There are more buyers than homes for sale. Sellers have the edge.
Every comparison on this page is to the SAME calendar months a year earlier, never to last month. Home sales roughly double between January and May in most of the country, so a month-over-month reading would tell you about the season and nothing about the market.
Source: Redfin's published market data for the San Mateo County, CA area, through May 2026.
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More about the San Mateo County, CA market
- When is the best month to sell a house in San Mateo County, CA?
- How long does it take to sell a house in San Mateo County, CA?
- Do homes sell above asking price in San Mateo County, CA?
- Are home prices going up or down in San Mateo County, CA?
- Is San Mateo County, CA a buyer's market or a seller's market?
- Are sellers cutting prices in San Mateo County, CA?
- What is the average home price in San Mateo County, CA?
- How many homes are for sale in San Mateo County, CA?
- All San Mateo County, CA housing numbers
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Figures come from Redfin's published market data for the San Mateo County, CA area, through May 2026. Neighborhood Numbers is an independent data publisher and is not affiliated with Redfin. We update these pages when Redfin publishes, once a month.