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Island County, WA Real Estate & Property Data

Island County Real Estate Market Trends
Last Updated: November 29, 2025

With up-to-date real estate data get detailed insight into Island County, WA sourced from the nation’s leading property data provider. The current median home price in Island County, WA is $605,000. Island County real estate data shows that there have been a total of 1,725 residential properties sold over the past 12 months. ATTOM’s Island County real estate data indicates that the county has 3 properties in foreclosure.

Island County Real Estate Market Trends
Get property data for any address in Island County, WA or the country:
Total Residential Properties 40,512
Total Commercial Properties 1,375
Avg. Home Age (Single Family Home) 39 Years
Avg. Square Feet (Single Family Home) 1,930
Total 2025 Residential Sales (year-to-date) 1,258
% of Homes Seriously Underwater (Q4 2025) 1.01%
Total 2024 Residential Sales 1,401
% of Equity Rich Homes (Q4 2025) 41.6%
Effective 2024 Property Tax N/A
Total Foreclosure Filings (year-to-date) 40
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Island County, WA Real Estate Overview

There were 1,725 residential properties sold in the past year in Island County, WA. The median home value in Island County, WA is $680,710. There are a total of 40,512 residential properties in the Island.

Median Sales Price i
$605,000
(Sep 2025)
+1%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • September '25 Sep '25 $605,000
  • August '25 Aug '25 $610,000
  • July '25 Jul '25 $609,750
  • June '25 Jun '25 $635,000
  • May '25 May '25 $630,000
  • April '25 Apr '25 $684,475
  • March '25 Mar '25 $600,000
  • February '25 Feb '25 $610,000
  • January '25 Jan '25 $537,500
  • December '24 Dec '24 $571,500
  • November '24 Nov '24 $600,000
  • October '24 Oct '24 $585,000
Median Down Payment i
$153,750
(Sep 2025)
+2.5%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • September '25 Sep '25 $153,750
  • August '25 Aug '25 $162,400
  • July '25 Jul '25 $170,000
  • June '25 Jun '25 $154,000
  • May '25 May '25 $175,000
  • April '25 Apr '25 $185,000
  • March '25 Mar '25 $177,375
  • February '25 Feb '25 $118,000
  • January '25 Jan '25 $101,062
  • December '24 Dec '24 $165,000
  • November '24 Nov '24 $134,500
  • October '24 Oct '24 $140,000
Number of Homes Sold i
162
(Sep 2025)
+25.6%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • September '25 Sep '25 162
  • August '25 Aug '25 159
  • July '25 Jul '25 158
  • June '25 Jun '25 163
  • May '25 May '25 146
  • April '25 Apr '25 163
  • March '25 Mar '25 126
  • February '25 Feb '25 83
  • January '25 Jan '25 98
  • December '24 Dec '24 104
  • November '24 Nov '24 91
  • October '24 Oct '24 143
Number of Purchase Loans i
110
(Sep 2025)
+11.1%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • September '25 Sep '25 110
  • August '25 Aug '25 112
  • July '25 Jul '25 118
  • June '25 Jun '25 118
  • May '25 May '25 89
  • April '25 Apr '25 98
  • March '25 Mar '25 78
  • February '25 Feb '25 59
  • January '25 Jan '25 74
  • December '24 Dec '24 74
  • November '24 Nov '24 72
  • October '24 Oct '24 103
Number of REFI Loans i
65
(Sep 2025)
-18.8%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • September '25 Sep '25 65
  • August '25 Aug '25 47
  • July '25 Jul '25 77
  • June '25 Jun '25 54
  • May '25 May '25 85
  • April '25 Apr '25 70
  • March '25 Mar '25 80
  • February '25 Feb '25 49
  • January '25 Jan '25 48
  • December '24 Dec '24 65
  • November '24 Nov '24 52
  • October '24 Oct '24 88
Number of HELOC Loans i
36
(Sep 2025)
-34.5%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • September '25 Sep '25 36
  • August '25 Aug '25 51
  • July '25 Jul '25 59
  • June '25 Jun '25 38
  • May '25 May '25 51
  • April '25 Apr '25 63
  • March '25 Mar '25 54
  • February '25 Feb '25 40
  • January '25 Jan '25 38
  • December '24 Dec '24 27
  • November '24 Nov '24 33
  • October '24 Oct '24 52

Island County, WA Real Estate Market Overview

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

Island County, WA Foreclosure Activity

There were a total of 3 Island County, WA properties with a foreclosure filing in September 2025.

Total Foreclosure Filings i
3
(Sep 2025)
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • September '25 Sep '25 3
  • August '25 Aug '25 5
  • July '25 Jul '25 6
  • June '25 Jun '25 6
  • May '25 May '25 5
  • April '25 Apr '25 2
  • March '25 Mar '25 6
  • February '25 Feb '25 4
  • January '25 Jan '25 3
  • December '24 Dec '24 2
  • November '24 Nov '24 3
  • October '24 Oct '24 6
Foreclosure Starts i
3
(Sep 2025)
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • September '25 Sep '25 3
  • August '25 Aug '25 4
  • July '25 Jul '25 4
  • June '25 Jun '25 6
  • May '25 May '25 5
  • April '25 Apr '25 2
  • March '25 Mar '25 6
  • February '25 Feb '25 3
  • January '25 Jan '25 3
  • December '24 Dec '24 2
  • November '24 Nov '24 3
  • October '24 Oct '24 6
Completed Foreclosures (REOs) i
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • September '25 Sep '25 N/A
  • August '25 Aug '25 1
  • July '25 Jul '25 1
  • June '25 Jun '25 N/A
  • May '25 May '25 1
  • April '25 Apr '25 N/A
  • March '25 Mar '25 N/A
  • February '25 Feb '25 1
  • January '25 Jan '25 N/A
  • December '24 Dec '24 N/A
  • November '24 Nov '24 N/A
  • October '24 Oct '24 N/A
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