Island County, WA Housing Market Brief
county · WA · as of May 2026
What is Island County, WA’s Alpha Score?
The Alpha Score is a composite 0–100 index of market strength, a weighted blend of five dimensions. See the methodology.
Where is Island County, WA in its market cycle?
Island County, WA is classified as Recovering — turning back up after a downturn. This is a classification of recent (1–12 month) momentum, not a price forecast.
Island County, WA housing market data
| Metric | Value | YoY |
|---|---|---|
| Median Sale Price | $659K | ▲ +3.6% |
| Median Days on Market | 18 days | ▲ +28.6% |
| Months of Supply | 3.2 | ▼ -11.1% |
| Homes for Sale | 341 | ▼ -4.5% |
| Homes Sold | 105 | ▲ +5% |
| Median Price / Sq Ft | $361 | ▼ -3.9% |
| Sale-to-List Ratio | 99.2% | ▲ +0.5% |
How has Island County, WA’s Alpha Score moved?
Markets like Island County, WA
- Utah County, UT, UTcounty42
- Riverside County, CA, CAcounty39
- Clark County, WA, WAcounty41
- Salt Lake County, UT, UTcounty41
- Solano County, CA, CAcounty41
- Cache County, UT, UTcounty42
- Cowlitz County, WA, WAcounty41
- Fannin County, GA, GAcounty41
- Larimer County, CO, COcounty40
- San Bernardino County, CA, CAcounty42
Frequently asked questions
Is Island County, WA a buyer's or seller's market?
As of May 2026, Island County, WA is classified as a Buyer's Market, based on its Alpha Score of 40 out of 100. The classification reflects current price, inventory, affordability, economic, and rental-yield conditions.
Are home prices rising or falling in Island County, WA?
The median sale price in Island County, WA is $659K, having risen 3.6% over the past year.
How affordable is Island County, WA?
Island County, WA scores 3 out of 100 on affordability — relatively unaffordable relative to local incomes and prevailing mortgage rates compared with other counties.
What's driving Island County, WA's Alpha Score?
Island County, WA's strongest dimension is Economic Strength (58/100) and its weakest is Affordability (3/100). The Alpha Score is a weighted blend of all five dimensions.
Want the live, interactive view of Island County, WA? Open the full market dashboard — charts, ZIP-level drill-down, and watchlist tracking. Explore the map or read the methodology.