King County, WA Real Estate & Property Data

King County Real Estate Market Trends
Last Updated: September 06, 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 $1,015,000. King County real estate data shows that there have been a total of 29,332 residential properties sold over the past 12 months. ATTOM’s King County real estate data indicates that the county has 86 properties in foreclosure and 10 REOs (real estate bank owned) properties.

King County Real Estate Market Trends
Total Residential Properties 643,696
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) 13,076
% 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) 503
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King County, WA Real Estate Overview

There were 29,332 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 643,696 residential properties in the King.

Median Sales Price i
$1,015,000
(Jun 2025)
+2.6%
year-over-year
y-o-y
  • 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
  • July '24 Jul '24 $1,010,000
Median Down Payment i
$263,250
(Jun 2025)
+0.6%
year-over-year
y-o-y
  • 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 $196,750
  • 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
  • July '24 Jul '24 $260,000
Number of Homes Sold i
2,672
(Jun 2025)
+7.4%
year-over-year
y-o-y
  • 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
  • July '24 Jul '24 2,635
Number of Purchase Loans i
2,106
(Jun 2025)
+0.9%
year-over-year
y-o-y
  • 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 1,526
  • 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
  • July '24 Jul '24 2,170
Number of REFI Loans i
994
(Jun 2025)
+55.6%
year-over-year
y-o-y
  • 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 '25 813
  • 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
  • July '24 Jul '24 812
Number of HELOC Loans i
901
(Jun 2025)
+10.8%
year-over-year
y-o-y
  • 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
  • July '24 Jul '24 806

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 86 King County, WA properties with a foreclosure filing in June 2025. Lenders started the foreclosure process on 58 King County, WA properties and repossessed 10 King County, WA properties through completed foreclosures (REOs) in June 2025.

Total Foreclosure Filings i
86
(Jun 2025)
+6.2%
year-over-year
y-o-y
  • 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
  • July '24 Jul '24 88
Foreclosure Starts i
58
(Jun 2025)
-3.3%
year-over-year
y-o-y
  • 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
  • July '24 Jul '24 73
Completed Foreclosures (REOs) i
10
(Jun 2025)
+66.7%
year-over-year
y-o-y
  • 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
  • July '24 Jul '24 7
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