- 3 bd
- 2 ba
- 1,850 sqft

The average Washington County, WI home value is $427,931, up 6.2% over the past year, and homes go to pending in around 24 days. (Updated on )
Zillow Home Value Index (ZHVI), built from the ground up by measuring monthly changes in property level Zestimates, captures both the level and home values across a wide variety of geographies and housing types.
Typical Home Values: $427,931
1-Year Value Change: +6.2%
(Data through September 30, 2026)
Zillow is more than a place to browse homes. It’s a place to connect with a local agent, explore financing solutions, schedule home tours, understand your buying and selling power, and more.
The median home value in Washington County, WI is $427,931 as of September 2026. This represents a 0.5% increase compared to last month and a 6.2% increase year-over-year.
The median home value in Washington County, WI ($427,931) compares to Wisconsin ($337,196) and the U.S. national median ($366,157).
The cities with the highest median home values in Washington County, WI include: Erin ($636,580), Polk ($583,321), Richfield ($556,311), Wayne ($501,838), Farmington ($479,686). These cities represent the most expensive areas within the county.