San Mateo, CA Real Estate & Property Data

San Mateo Real Estate Market Trends
Last Updated: September 27, 2025

It is crucial to have accurate and comprehensive real estate data to gain insights into the city of San Mateo, CA. ATTOM offers up to date San Mateo real estate data that is refreshed daily. Current market trends reveal that in the past year, 1,394 residential properties have been sold in San Mateo, CA, with a median home price of $1,920,000. The average square footage of these properties is 1,766 sq ft, and the effective property tax rate is 0.66%. Additionally, there have been 3 foreclosures in the area in the past month. ATTOM is your one-stop-shop for detailed property data in San Mateo, CA, providing you with the real estate information you need.

San Mateo Real Estate Market Trends
Total Residential Properties 37,103
Total Commercial Properties 1,835
Avg. Home Age (Single Family Home) 68 Years
Avg. Square Feet (Single Family Home) 1,766
Total 2025 Residential Sales (year-to-date) 712
% of Homes Seriously Underwater (Q3 2025) 0.59%
Total 2024 Residential Sales 1,228
% of Equity Rich Homes (Q3 2025) 56.43%
Effective 2024 Property Tax 0.66%
Total Foreclosure Filings (year-to-date) 31
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San Mateo, CA Real Estate Overview

In the last year, 1,394 residential properties were sold in San Mateo, CA, with a median home value of $1,767,750. San Mateo, CA has a total of 37,103 residential properties, including properties across 4 zip codes and 1888 streets.

Median Sales Price i
$1,920,000
(Jul 2025)
-1%
year-over-year
y-o-y
  • July '25 Jul '25 $1,920,000
  • June '25 Jun '25 $2,150,000
  • May '25 May '25 $2,200,000
  • April '25 Apr '25 $1,847,500
  • March '25 Mar '25 $1,925,000
  • February '25 Feb '25 $1,962,500
  • January '25 Jan '25 $1,850,000
  • December '24 Dec '24 $1,800,000
  • November '24 Nov '24 $1,802,500
  • October '24 Oct '24 $2,000,000
  • September '24 Sep '24 $1,875,000
  • August '24 Aug '24 $2,180,000
Median Down Payment i
$632,500
(Jul 2025)
-0.2%
year-over-year
y-o-y
  • July '25 Jul '25 $632,500
  • June '25 Jun '25 $620,000
  • May '25 May '25 $660,000
  • April '25 Apr '25 $539,000
  • March '25 Mar '25 $609,510
  • February '25 Feb '25 $682,250
  • January '25 Jan '25 $580,000
  • December '24 Dec '24 $540,000
  • November '24 Nov '24 $487,500
  • October '24 Oct '24 $500,000
  • September '24 Sep '24 $488,000
  • August '24 Aug '24 $575,000
Number of Homes Sold i
115
(Jul 2025)
+4.5%
year-over-year
y-o-y
  • July '25 Jul '25 115
  • June '25 Jun '25 118
  • May '25 May '25 116
  • April '25 Apr '25 129
  • March '25 Mar '25 107
  • February '25 Feb '25 73
  • January '25 Jan '25 54
  • December '24 Dec '24 107
  • November '24 Nov '24 107
  • October '24 Oct '24 132
  • September '24 Sep '24 111
  • August '24 Aug '24 115
Number of Purchase Loans i
84
(Jul 2025)
-15.2%
year-over-year
y-o-y
  • July '25 Jul '25 84
  • June '25 Jun '25 93
  • May '25 May '25 94
  • April '25 Apr '25 106
  • March '25 Mar '25 85
  • February '25 Feb '25 63
  • January '25 Jan '25 46
  • December '24 Dec '24 71
  • November '24 Nov '24 86
  • October '24 Oct '24 93
  • September '24 Sep '24 89
  • August '24 Aug '24 85
Number of REFI Loans i
49
(Jul 2025)
+44.1%
year-over-year
y-o-y
  • July '25 Jul '25 49
  • June '25 Jun '25 53
  • May '25 May '25 67
  • April '25 Apr '25 56
  • March '25 Mar '25 38
  • February '25 Feb '25 23
  • January '25 Jan '25 30
  • December '24 Dec '24 55
  • November '24 Nov '24 53
  • October '24 Oct '24 66
  • September '24 Sep '24 46
  • August '24 Aug '24 36
Number of HELOC Loans i
30
(Jul 2025)
-6.2%
year-over-year
y-o-y
  • July '25 Jul '25 30
  • June '25 Jun '25 29
  • May '25 May '25 30
  • April '25 Apr '25 39
  • March '25 Mar '25 31
  • February '25 Feb '25 29
  • January '25 Jan '25 20
  • December '24 Dec '24 24
  • November '24 Nov '24 17
  • October '24 Oct '24 13
  • September '24 Sep '24 12
  • August '24 Aug '24 21

San Mateo, CA Real Estate Market Overview

Last 30 days
  • Zip
    Median Est. Value
  • Zip
    Median Est. Value
  • Zip
    Median Est. Value

San Mateo, CA Foreclosure Activity

There were a total of 3 San Mateo, CA properties with a foreclosure filing in July 2025.

Total Foreclosure Filings i
3
(Jul 2025)
-50%
year-over-year
y-o-y
  • July '25 Jul '25 3
  • June '25 Jun '25 2
  • May '25 May '25 4
  • April '25 Apr '25 2
  • March '25 Mar '25 11
  • February '25 Feb '25 5
  • January '25 Jan '25 4
  • December '24 Dec '24 8
  • November '24 Nov '24 10
  • October '24 Oct '24 12
  • September '24 Sep '24 3
  • August '24 Aug '24 5
Foreclosure Starts i
3
(Jul 2025)
-40%
year-over-year
y-o-y
  • July '25 Jul '25 3
  • June '25 Jun '25 1
  • May '25 May '25 2
  • April '25 Apr '25 1
  • March '25 Mar '25 6
  • February '25 Feb '25 4
  • January '25 Jan '25 2
  • December '24 Dec '24 7
  • November '24 Nov '24 6
  • October '24 Oct '24 10
  • September '24 Sep '24 1
  • August '24 Aug '24 4
Completed Foreclosures (REOs) i
  • July '25 Jul '25 N/A
  • June '25 Jun '25 N/A
  • May '25 May '25 N/A
  • April '25 Apr '25 N/A
  • March '25 Mar '25 N/A
  • February '25 Feb '25 N/A
  • January '25 Jan '25 N/A
  • December '24 Dec '24 N/A
  • November '24 Nov '24 N/A
  • October '24 Oct '24 N/A
  • September '24 Sep '24 N/A
  • August '24 Aug '24 N/A
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