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Contra Costa County, CA Real Estate & Property Data

Contra Costa County Real Estate Market Trends
Last Updated: September 27, 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 $815,000. Contra Costa County real estate data shows that there have been a total of 12,900 residential properties sold over the past 12 months. ATTOM’s Contra Costa County real estate data indicates that the county has 158 properties in foreclosure and 14 REOs (real estate bank owned) properties.

Contra Costa County Real Estate Market Trends
Get property data for any address in Contra Costa County, CA or the country:
Total Residential Properties 353,858
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) 6,641
% of Homes Seriously Underwater (Q3 2025) 1.03%
Total 2024 Residential Sales 11,736
% of Equity Rich Homes (Q3 2025) 44.76%
Effective 2024 Property Tax 0.83%
Total Foreclosure Filings (year-to-date) 1,014
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Contra Costa County, CA Real Estate Overview

There were 12,900 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 353,858 residential properties in the Contra Costa.

Median Sales Price i
$815,000
(Jul 2025)
-4.1%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 $815,000
  • 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
Median Down Payment i
$185,000
(Jul 2025)
-7.5%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 $185,000
  • 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
Number of Homes Sold i
1,043
(Jul 2025)
-1.3%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 1,043
  • 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 1,055
Number of Purchase Loans i
894
(Jul 2025)
+3%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 894
  • 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 '24 836
  • August '24 Aug '24 972
Number of REFI Loans i
708
(Jul 2025)
+50%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 708
  • 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
Number of HELOC Loans i
407
(Jul 2025)
+14%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 407
  • 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

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 158 Contra Costa County, CA properties with a foreclosure filing in July 2025. Lenders started the foreclosure process on 110 Contra Costa County, CA properties and repossessed 14 Contra Costa County, CA properties through completed foreclosures (REOs) in July 2025.

Total Foreclosure Filings i
158
(Jul 2025)
+47.7%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 158
  • 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
Foreclosure Starts i
110
(Jul 2025)
+44.7%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 110
  • 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
Completed Foreclosures (REOs) i
14
(Jul 2025)
+250%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 14
  • 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
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