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Why San Mateo County's Luxury Market Just Had Its Best Spring in Years

  • Joshualee
  • 7 days ago
  • 2 min read

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Something unusual happened on the Peninsula this spring.


Sales of homes priced at $5 million and above in San Mateo County jumped 27% year over year in March 2026. That is approaching levels last seen in March 2022 which is remarkable when you consider that interest rates today are roughly double what they were then.


The luxury market did not just hold steady. It accelerated.


What Is Driving It


The answer is concentrated wealth from the tech and AI sector. OpenAI, Nvidia, Google, and other Peninsula employers have created a wave of liquidity that is landing directly in the real estate market. Buyers who have never purchased at this price point before are now competing at $3M to $5M and above.


This is not a broad market phenomenon. It is specific to the Peninsula's position between San Francisco's AI startup corridor and the South Bay's established tech giants. Buyers want career optionality without relocating. San Mateo County is the answer.


What This Means for the Broader Market


Demand does not stay contained to one price tier. When well-capitalized buyers push into the $3M to $5M range, buyers who previously competed there shift down into the $1.5M to $2.5M range. That increases competition across the board.


Recent transactions on the Peninsula have ranged from $1.5M up to $9M with demand visible at every price point. The market structure, with more buyers than available supply, is unlikely to reverse in one or two quarters.


Major IPOs are expected later this year that will likely add additional purchasing power to the Peninsula market.


What to Do With This Information


If you are a buyer: be prepared before the right home hits the market. Know your price point. Move quickly. Homes that hit on Monday or Tuesday need to be seen within a day or two, not the weekend.


If you are a seller: the buyer pool for a well-located Peninsula home is stronger than most people realize. The right buyer may not come through the public market.


The conversation needs to start now, not after you find the home.



Joshua Lee | Real Estate Advisor

joshua_lee@kw.com | (650) 881-2972


Sources:

Burlingame Properties, San Mateo County Q1 2026 Market Update: burlingameproperties.com/articles/san-mateo-county-real-estate-market-update-q1-2026

 
 
 

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