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King County, WA Real Estate & Property Data

King County Real Estate Market Trends
Last Updated: September 27, 2025

With up-to-date real estate data get detailed insight into King County, WA sourced from the nation’s leading property data provider. The current median home price in King County, WA is $995,000. King County real estate data shows that there have been a total of 29,361 residential properties sold over the past 12 months. ATTOM’s King County real estate data indicates that the county has 100 properties in foreclosure and 2 REOs (real estate bank owned) properties.

King County Real Estate Market Trends
Get property data for any address in King County, WA or the country:
Total Residential Properties 643,698
Total Commercial Properties 21,814
Avg. Home Age (Single Family Home) 55 Years
Avg. Square Feet (Single Family Home) 2,186
Total 2025 Residential Sales (year-to-date) 15,592
% of Homes Seriously Underwater (Q3 2025) 1.05%
Total 2024 Residential Sales 26,769
% of Equity Rich Homes (Q3 2025) 49.69%
Effective 2024 Property Tax 0.76%
Total Foreclosure Filings (year-to-date) 603
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King County, WA Real Estate Overview

There were 29,361 residential properties sold in the past year in King County, WA. The median home value in King County, WA is $856,076. There are a total of 643,698 residential properties in the King.

Median Sales Price i
$995,000
(Jul 2025)
-1.5%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 $995,000
  • June '25 Jun '25 $1,015,000
  • May '25 May '25 $989,000
  • April '25 Apr '25 $1,071,000
  • March '25 Mar '25 $982,000
  • February '25 Feb '25 $911,100
  • January '25 Jan '25 $824,500
  • December '24 Dec '24 $875,000
  • November '24 Nov '24 $965,000
  • October '24 Oct '24 $980,000
  • September '24 Sep '24 $965,500
  • August '24 Aug '24 $975,000
Median Down Payment i
$262,250
(Jul 2025)
+0.9%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 $262,250
  • June '25 Jun '25 $263,250
  • May '25 May '25 $250,000
  • April '25 Apr '25 $280,000
  • March '25 Mar '25 $250,000
  • February '25 Feb '25 $236,000
  • January '25 Jan '25 $196,875
  • December '24 Dec '24 $221,000
  • November '24 Nov '24 $264,250
  • October '24 Oct '24 $239,995
  • September '24 Sep '24 $257,997
  • August '24 Aug '24 $250,001
Number of Homes Sold i
2,516
(Jul 2025)
-4.5%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 2,516
  • June '25 Jun '25 2,672
  • May '25 May '25 2,490
  • April '25 Apr '25 2,488
  • March '25 Mar '25 2,216
  • February '25 Feb '25 1,751
  • January '25 Jan '25 1,459
  • December '24 Dec '24 1,764
  • November '24 Nov '24 2,065
  • October '24 Oct '24 2,707
  • September '24 Sep '24 2,111
  • August '24 Aug '24 2,487
Number of Purchase Loans i
2,024
(Jul 2025)
-6.7%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 2,024
  • June '25 Jun '25 2,106
  • May '25 May '25 1,947
  • April '25 Apr '25 2,074
  • March '25 Mar '25 1,865
  • February '25 Feb '25 1,527
  • January '25 Jan '25 1,220
  • December '24 Dec '24 1,581
  • November '24 Nov '24 1,761
  • October '24 Oct '24 2,245
  • September '24 Sep '24 1,777
  • August '24 Aug '24 2,064
Number of REFI Loans i
1,085
(Jul 2025)
+33.6%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 1,085
  • June '25 Jun '25 994
  • May '25 May '25 1,233
  • April '25 Apr '25 1,284
  • March '25 Mar '25 939
  • February '25 Feb '25 814
  • January '25 Jan '25 828
  • December '24 Dec '24 934
  • November '24 Nov '24 1,115
  • October '24 Oct '24 1,484
  • September '24 Sep '24 1,105
  • August '24 Aug '24 851
Number of HELOC Loans i
1,019
(Jul 2025)
+26.4%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 1,019
  • June '25 Jun '25 901
  • May '25 May '25 945
  • April '25 Apr '25 892
  • March '25 Mar '25 822
  • February '25 Feb '25 722
  • January '25 Jan '25 687
  • December '24 Dec '24 771
  • November '24 Nov '24 675
  • October '24 Oct '24 877
  • September '24 Sep '24 790
  • August '24 Aug '24 826

King County, WA Real Estate Market Overview

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

King County, WA Foreclosure Activity

There were a total of 100 King County, WA properties with a foreclosure filing in July 2025. Lenders started the foreclosure process on 78 King County, WA properties and repossessed 2 King County, WA properties through completed foreclosures (REOs) in July 2025.

Total Foreclosure Filings i
100
(Jul 2025)
+13.6%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 100
  • June '25 Jun '25 86
  • May '25 May '25 83
  • April '25 Apr '25 93
  • March '25 Mar '25 86
  • February '25 Feb '25 73
  • January '25 Jan '25 82
  • December '24 Dec '24 73
  • November '24 Nov '24 63
  • October '24 Oct '24 84
  • September '24 Sep '24 70
  • August '24 Aug '24 97
Foreclosure Starts i
78
(Jul 2025)
+6.8%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 78
  • June '25 Jun '25 58
  • May '25 May '25 61
  • April '25 Apr '25 74
  • March '25 Mar '25 58
  • February '25 Feb '25 55
  • January '25 Jan '25 60
  • December '24 Dec '24 67
  • November '24 Nov '24 53
  • October '24 Oct '24 73
  • September '24 Sep '24 58
  • August '24 Aug '24 70
Completed Foreclosures (REOs) i
2
(Jul 2025)
-71.4%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 2
  • June '25 Jun '25 10
  • May '25 May '25 3
  • April '25 Apr '25 3
  • March '25 Mar '25 7
  • February '25 Feb '25 3
  • January '25 Jan '25 7
  • December '24 Dec '24 2
  • November '24 Nov '24 4
  • October '24 Oct '24 17
  • September '24 Sep '24 9
  • August '24 Aug '24 8
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