Real Estate Data > US real estate data > Washington > King County

King County, WA Real Estate & Property Data

King County Real Estate Market Trends
Last Updated: January 17, 2026

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 $905,000. King County real estate data shows that there have been a total of 28,204 residential properties sold over the past 12 months. ATTOM’s King County real estate data indicates that the county has 64 properties in foreclosure and 6 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 648,126
Total Commercial Properties 22,102
Avg. Home Age (Single Family Home) 56 Years
Avg. Square Feet (Single Family Home) 2,186
Total 2026 Residential Sales (year-to-date) N/A
% of Homes Seriously Underwater (Q1 2026) 1.28%
Total 2025 Residential Sales 26,240
% of Equity Rich Homes (Q1 2026) 46.84%
Effective 2025 Property Tax 0.8%
Total Foreclosure Filings (year-to-date) N/A
Interested in Purchasing National or King County, WA Property Data?

King County, WA Real Estate Overview

There were 28,204 residential properties sold in the past year in King County, WA. The median home value in King County, WA is $810,580. There are a total of 648,126 residential properties in the King.

Median Sales Price i
$905,000
(Nov 2025)
-6.2%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • November '25 Nov '25 $905,000
  • October '25 Oct '25 $990,000
  • September '25 Sep '25 $975,000
  • August '25 Aug '25 $950,000
  • July '25 Jul '25 $995,000
  • June '25 Jun '25 $1,012,750
  • May '25 May '25 $985,000
  • April '25 Apr '25 $1,067,500
  • March '25 Mar '25 $980,000
  • February '25 Feb '25 $913,500
  • January '25 Jan '25 $824,500
  • December '24 Dec '24 $875,000
Median Down Payment i
$218,975
(Nov 2025)
-17.1%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • November '25 Nov '25 $218,975
  • October '25 Oct '25 $255,000
  • September '25 Sep '25 $247,500
  • August '25 Aug '25 $250,000
  • July '25 Jul '25 $261,500
  • 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 $197,000
  • December '24 Dec '24 $221,000
Number of Homes Sold i
1,798
(Nov 2025)
-13%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • November '25 Nov '25 1,798
  • October '25 Oct '25 2,357
  • September '25 Sep '25 2,199
  • August '25 Aug '25 2,321
  • July '25 Jul '25 2,548
  • June '25 Jun '25 2,697
  • May '25 May '25 2,517
  • April '25 Apr '25 2,500
  • March '25 Mar '25 2,228
  • February '25 Feb '25 1,749
  • January '25 Jan '25 1,459
  • December '24 Dec '24 1,765
Number of Purchase Loans i
1,594
(Nov 2025)
-9.7%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • November '25 Nov '25 1,594
  • October '25 Oct '25 1,958
  • September '25 Sep '25 1,791
  • August '25 Aug '25 1,861
  • July '25 Jul '25 2,059
  • June '25 Jun '25 2,155
  • May '25 May '25 2,000
  • April '25 Apr '25 2,107
  • March '25 Mar '25 1,897
  • February '25 Feb '25 1,528
  • January '25 Jan '25 1,220
  • December '24 Dec '24 1,583
Number of REFI Loans i
1,560
(Nov 2025)
+38.3%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • November '25 Nov '25 1,560
  • October '25 Oct '25 2,165
  • September '25 Sep '25 1,425
  • August '25 Aug '25 1,083
  • July '25 Jul '25 1,080
  • June '25 Jun '25 1,003
  • May '25 May '25 1,234
  • April '25 Apr '25 1,289
  • March '25 Mar '25 936
  • February '25 Feb '25 816
  • January '25 Jan '25 826
  • December '24 Dec '24 937
Number of HELOC Loans i
692
(Nov 2025)
+2.5%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • November '25 Nov '25 692
  • October '25 Oct '25 956
  • September '25 Sep '25 836
  • August '25 Aug '25 921
  • July '25 Jul '25 1,018
  • June '25 Jun '25 901
  • May '25 May '25 944
  • April '25 Apr '25 891
  • March '25 Mar '25 821
  • February '25 Feb '25 724
  • January '25 Jan '25 687
  • December '24 Dec '24 771

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 64 King County, WA properties with a foreclosure filing in November 2025. Lenders started the foreclosure process on 54 King County, WA properties and repossessed 6 King County, WA properties through completed foreclosures (REOs) in November 2025.

Total Foreclosure Filings i
64
(Nov 2025)
+1.6%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • November '25 Nov '25 64
  • October '25 Oct '25 126
  • September '25 Sep '25 105
  • August '25 Aug '25 84
  • 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
Foreclosure Starts i
54
(Nov 2025)
+1.9%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • November '25 Nov '25 54
  • October '25 Oct '25 97
  • September '25 Sep '25 82
  • August '25 Aug '25 66
  • 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
Completed Foreclosures (REOs) i
6
(Nov 2025)
+50%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • November '25 Nov '25 6
  • October '25 Oct '25 7
  • September '25 Sep '25 9
  • August '25 Aug '25 8
  • 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
Learn how industries are using property, assessor, mortgage, boundary, foreclosure, AVM, hazard, climate, and neighborhood data.

Nearby Counties

Interested in growing your business with King County, WA property data?

Contact Us Now!
Call (800) 692-2596 — or fill out this form and we’ll be in touch shortly.