Contra Costa County, CA Real Estate & Property Data

Contra Costa County Real Estate Market Trends
Last Updated: September 06, 2025

With up-to-date real estate data get detailed insight into Contra Costa County, CA sourced from the nation’s leading property data provider. The current median home price in Contra Costa County, CA is $850,000. Contra Costa County real estate data shows that there have been a total of 12,911 residential properties sold over the past 12 months. ATTOM’s Contra Costa County real estate data indicates that the county has 125 properties in foreclosure and 11 REOs (real estate bank owned) properties.

Contra Costa County Real Estate Market Trends
Total Residential Properties 353,855
Total Commercial Properties 10,128
Avg. Home Age (Single Family Home) 49 Years
Avg. Square Feet (Single Family Home) 2,041
Total 2025 Residential Sales (year-to-date) 5,598
% of Homes Seriously Underwater (Q3 2025) 1.03%
Total 2024 Residential Sales 11,735
% of Equity Rich Homes (Q3 2025) 44.76%
Effective 2024 Property Tax 0.83%
Total Foreclosure Filings (year-to-date) 856
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Contra Costa County, CA Real Estate Overview

There were 12,911 residential properties sold in the past year in Contra Costa County, CA. The median home value in Contra Costa County, CA is $783,000. There are a total of 353,855 residential properties in the Contra Costa.

Median Sales Price i
$850,000
(Jun 2025)
-1.2%
year-over-year
y-o-y
  • June '25 Jun '25 $850,000
  • May '25 May '25 $842,500
  • April '25 Apr '25 $850,000
  • March '25 Mar '25 $850,000
  • February '25 Feb '25 $800,000
  • January '25 Jan '25 $750,000
  • December '24 Dec '24 $806,750
  • November '24 Nov '24 $840,000
  • October '24 Oct '24 $806,000
  • September '24 Sep '24 $795,000
  • August '24 Aug '24 $800,000
  • July '24 Jul '24 $850,000
Median Down Payment i
$200,000
(Jun 2025)
-3.4%
year-over-year
y-o-y
  • June '25 Jun '25 $200,000
  • May '25 May '25 $202,400
  • April '25 Apr '25 $199,000
  • March '25 Mar '25 $200,000
  • February '25 Feb '25 $172,000
  • January '25 Jan '25 $160,000
  • December '24 Dec '24 $186,872
  • November '24 Nov '24 $198,750
  • October '24 Oct '24 $168,000
  • September '24 Sep '24 $175,000
  • August '24 Aug '24 $188,711
  • July '24 Jul '24 $200,000
Number of Homes Sold i
1,014
(Jun 2025)
-3.9%
year-over-year
y-o-y
  • June '25 Jun '25 1,014
  • May '25 May '25 1,082
  • April '25 Apr '25 1,046
  • March '25 Mar '25 1,057
  • February '25 Feb '25 768
  • January '25 Jan '25 631
  • December '24 Dec '24 935
  • November '24 Nov '24 965
  • October '24 Oct '24 1,261
  • September '24 Sep '24 986
  • August '24 Aug '24 1,054
  • July '24 Jul '24 1,057
Number of Purchase Loans i
880
(Jun 2025)
-4.8%
year-over-year
y-o-y
  • June '25 Jun '25 880
  • May '25 May '25 969
  • April '25 Apr '25 935
  • March '25 Mar '25 934
  • February '25 Feb '25 644
  • January '25 Jan '25 595
  • December '24 Dec '24 816
  • November '24 Nov '24 845
  • October '24 Oct '24 1,071
  • September '24 Sep '24 835
  • August '24 Aug '24 970
  • July '24 Jul '24 868
Number of REFI Loans i
561
(Jun 2025)
+42%
year-over-year
y-o-y
  • June '25 Jun '25 561
  • May '25 May '25 606
  • April '25 Apr '25 720
  • March '25 Mar '25 534
  • February '25 Feb '25 436
  • January '25 Jan '25 490
  • December '24 Dec '24 610
  • November '24 Nov '24 652
  • October '24 Oct '24 971
  • September '24 Sep '24 583
  • August '24 Aug '24 614
  • July '24 Jul '24 472
Number of HELOC Loans i
377
(Jun 2025)
+29.6%
year-over-year
y-o-y
  • June '25 Jun '25 377
  • May '25 May '25 405
  • April '25 Apr '25 441
  • March '25 Mar '25 411
  • February '25 Feb '25 289
  • January '25 Jan '25 291
  • December '24 Dec '24 369
  • November '24 Nov '24 313
  • October '24 Oct '24 406
  • September '24 Sep '24 281
  • August '24 Aug '24 359
  • July '24 Jul '24 357

Contra Costa County, CA Real Estate Market Overview

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

Contra Costa County, CA Foreclosure Activity

There were a total of 125 Contra Costa County, CA properties with a foreclosure filing in June 2025. Lenders started the foreclosure process on 83 Contra Costa County, CA properties and repossessed 11 Contra Costa County, CA properties through completed foreclosures (REOs) in June 2025.

Total Foreclosure Filings i
125
(Jun 2025)
+23.8%
year-over-year
y-o-y
  • June '25 Jun '25 125
  • May '25 May '25 154
  • April '25 Apr '25 147
  • March '25 Mar '25 157
  • February '25 Feb '25 134
  • January '25 Jan '25 139
  • December '24 Dec '24 114
  • November '24 Nov '24 116
  • October '24 Oct '24 136
  • September '24 Sep '24 122
  • August '24 Aug '24 123
  • July '24 Jul '24 107
Foreclosure Starts i
83
(Jun 2025)
+16.9%
year-over-year
y-o-y
  • June '25 Jun '25 83
  • May '25 May '25 106
  • April '25 Apr '25 115
  • March '25 Mar '25 118
  • February '25 Feb '25 83
  • January '25 Jan '25 94
  • December '24 Dec '24 84
  • November '24 Nov '24 84
  • October '24 Oct '24 89
  • September '24 Sep '24 88
  • August '24 Aug '24 82
  • July '24 Jul '24 76
Completed Foreclosures (REOs) i
11
(Jun 2025)
+83.3%
year-over-year
y-o-y
  • June '25 Jun '25 11
  • May '25 May '25 8
  • April '25 Apr '25 8
  • March '25 Mar '25 11
  • February '25 Feb '25 7
  • January '25 Jan '25 7
  • December '24 Dec '24 11
  • November '24 Nov '24 5
  • October '24 Oct '24 5
  • September '24 Sep '24 5
  • August '24 Aug '24 7
  • July '24 Jul '24 4
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