San Mateo County, CA Real Estate & Property Data

San Mateo County Real Estate Market Trends
Last Updated: April 22, 2025

With up-to-date real estate data get detailed insight into San Mateo County, CA sourced from the nation’s leading property data provider. The current median home price in San Mateo County, CA is $1,850,000. San Mateo County real estate data shows that there have been a total of 6,070 residential properties sold over the past 12 months. ATTOM’s San Mateo County real estate data indicates that the county has 27 properties in foreclosure and 3 REOs (real estate bank owned) properties.

San Mateo County Real Estate Market Trends
Total Residential Properties 195,078
Total Commercial Properties 10,466
Avg. Home Age (Single Family Home) 66 Years
Avg. Square Feet (Single Family Home) 1,868
Total 2025 Residential Sales (year-to-date) 651
% of Homes Seriously Underwater (Q2 2025) 0.62%
Total 2024 Residential Sales 5,694
% of Equity Rich Homes (Q2 2025) 58.76%
Effective 2024 Property Tax 0.65%
Total Foreclosure Filings (year-to-date) 58
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San Mateo County, CA Real Estate Overview

There were 6,070 residential properties sold in the past year in San Mateo County, CA. The median home value in San Mateo County, CA is $1,577,000. There are a total of 195,078 residential properties in the San Mateo.

Median Sales Price i
$1,850,000
(Feb 2025)
+6%
year-over-year
y-o-y
  • February '25 Feb '25 $1,850,000
  • January '25 Jan '25 $1,630,000
  • December '24 Dec '24 $1,650,000
  • November '24 Nov '24 $1,777,000
  • October '24 Oct '24 $1,760,000
  • September '24 Sep '24 $1,750,000
  • August '24 Aug '24 $1,735,000
  • July '24 Jul '24 $1,875,000
  • June '24 Jun '24 $1,780,000
  • May '24 May '24 $2,050,000
  • April '24 Apr '24 $1,751,000
  • March '24 Mar '24 $1,832,500
Median Down Payment i
$607,500
(Feb 2025)
+32.1%
year-over-year
y-o-y
  • February '25 Feb '25 $607,500
  • January '25 Jan '25 $473,500
  • December '24 Dec '24 $530,000
  • November '24 Nov '24 $523,055
  • October '24 Oct '24 $478,000
  • September '24 Sep '24 $518,600
  • August '24 Aug '24 $530,000
  • July '24 Jul '24 $610,000
  • June '24 Jun '24 $542,750
  • May '24 May '24 $610,000
  • April '24 Apr '24 $558,000
  • March '24 Mar '24 $500,000
Number of Homes Sold i
351
(Feb 2025)
+1.4%
year-over-year
y-o-y
  • February '25 Feb '25 351
  • January '25 Jan '25 300
  • December '24 Dec '24 447
  • November '24 Nov '24 476
  • October '24 Oct '24 562
  • September '24 Sep '24 524
  • August '24 Aug '24 518
  • July '24 Jul '24 510
  • June '24 Jun '24 518
  • May '24 May '24 556
  • April '24 Apr '24 525
  • March '24 Mar '24 437
Number of Purchase Loans i
280
(Feb 2025)
-3.4%
year-over-year
y-o-y
  • February '25 Feb '25 280
  • January '25 Jan '25 242
  • December '24 Dec '24 349
  • November '24 Nov '24 395
  • October '24 Oct '24 448
  • September '24 Sep '24 432
  • August '24 Aug '24 412
  • July '24 Jul '24 419
  • June '24 Jun '24 406
  • May '24 May '24 464
  • April '24 Apr '24 427
  • March '24 Mar '24 352
Number of REFI Loans i
177
(Feb 2025)
-0.6%
year-over-year
y-o-y
  • February '25 Feb '25 177
  • January '25 Jan '25 222
  • December '24 Dec '24 304
  • November '24 Nov '24 305
  • October '24 Oct '24 403
  • September '24 Sep '24 328
  • August '24 Aug '24 247
  • July '24 Jul '24 218
  • June '24 Jun '24 163
  • May '24 May '24 176
  • April '24 Apr '24 197
  • March '24 Mar '24 170
Number of HELOC Loans i
131
(Feb 2025)
+13.9%
year-over-year
y-o-y
  • February '25 Feb '25 131
  • January '25 Jan '25 109
  • December '24 Dec '24 136
  • November '24 Nov '24 82
  • October '24 Oct '24 90
  • September '24 Sep '24 94
  • August '24 Aug '24 135
  • July '24 Jul '24 149
  • June '24 Jun '24 138
  • May '24 May '24 133
  • April '24 Apr '24 146
  • March '24 Mar '24 131

San Mateo County, CA Real Estate Market Overview

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

San Mateo County, CA Foreclosure Activity

There were a total of 27 San Mateo County, CA properties with a foreclosure filing in February 2025. Lenders started the foreclosure process on 21 San Mateo County, CA properties and repossessed 3 San Mateo County, CA properties through completed foreclosures (REOs) in February 2025.

Total Foreclosure Filings i
27
(Feb 2025)
-37.2%
year-over-year
y-o-y
  • February '25 Feb '25 27
  • January '25 Jan '25 31
  • December '24 Dec '24 32
  • November '24 Nov '24 51
  • October '24 Oct '24 42
  • September '24 Sep '24 15
  • August '24 Aug '24 33
  • July '24 Jul '24 43
  • June '24 Jun '24 24
  • May '24 May '24 37
  • April '24 Apr '24 29
  • March '24 Mar '24 34
Foreclosure Starts i
21
(Feb 2025)
-16%
year-over-year
y-o-y
  • February '25 Feb '25 21
  • January '25 Jan '25 20
  • December '24 Dec '24 26
  • November '24 Nov '24 33
  • October '24 Oct '24 29
  • September '24 Sep '24 8
  • August '24 Aug '24 22
  • July '24 Jul '24 32
  • June '24 Jun '24 19
  • May '24 May '24 23
  • April '24 Apr '24 21
  • March '24 Mar '24 24
Completed Foreclosures (REOs) i
3
(Feb 2025)
-50%
year-over-year
y-o-y
  • February '25 Feb '25 3
  • January '25 Jan '25 1
  • December '24 Dec '24 1
  • November '24 Nov '24 3
  • October '24 Oct '24 1
  • September '24 Sep '24 1
  • August '24 Aug '24 2
  • July '24 Jul '24 2
  • June '24 Jun '24 N/A
  • May '24 May '24 N/A
  • April '24 Apr '24 2
  • March '24 Mar '24 5
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