28Alpha

Washington County, ID Housing Market Brief

county · ID · as of August 2026

Buyer's

What is Washington County, ID’s Alpha Score?

The Alpha Score is a composite 0–100 index of market strength, a weighted blend of five dimensions. See the methodology.

Price Momentum20%
-23.923
Inventory Health25%
-14.452
Affordability20%
+7.412
Economic Strength20%
26
Rental Yield15%
+14.823

Where is Washington County, ID in its market cycle?

EmergingGrowingMaturePeakingDecliningRecovering

Washington County, ID is classified as Declining cooling, with scores declining over recent months. This is a classification of recent (1–12 month) momentum, not a price forecast.

Washington County, ID housing market data

MetricValueYoY
Median Sale Price$339K▲ +2%
Median Days on Market35 days▲ +150%
Months of Supply5.7-9.5%
Homes for Sale52-5.4%
Homes Sold90%
Median Price / Sq Ft$229-2.1%

How has Washington County, ID’s Alpha Score moved?

Now: 28
12-period trend
Median sale price · 12 mo

Markets like Washington County, ID

Frequently asked questions

Is Washington County, ID a buyer's or seller's market?

As of August 2026, Washington County, ID is classified as a Buyer's Market, based on its Alpha Score of 28 out of 100. The classification reflects current price, inventory, affordability, economic, and rental-yield conditions.

Are home prices rising or falling in Washington County, ID?

The median sale price in Washington County, ID is $339K, having risen 2% over the past year.

How affordable is Washington County, ID?

Washington County, ID scores 12 out of 100 on affordability — relatively unaffordable relative to local incomes and prevailing mortgage rates compared with other counties.

What's driving Washington County, ID's Alpha Score?

Washington County, ID's strongest dimension is Inventory Health (52/100) and its weakest is Affordability (12/100). The Alpha Score is a weighted blend of all five dimensions.

Want the live, interactive view of Washington County, ID? Open the full market dashboard — charts, ZIP-level drill-down, and watchlist tracking. Explore the map or read the methodology.