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The average Waukesha County, WI home value is $508,162, up 6.2% over the past year, and homes go to pending in around 18 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: $508,162
1-Year Value Change: +6.2%
(Data through August 31, 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 Waukesha County, WI is $508,162 as of August 2026. This represents a 0.5% increase compared to last month and a 6.2% increase year-over-year.
The median home value in Waukesha County, WI ($508,162) compares to Wisconsin ($339,699) and the U.S. national median ($368,697).
The cities with the highest median home values in Waukesha County, WI include: Oconomowoc Lake ($2,082,456), Summit ($776,275), Delafield ($766,469), Nashotah ($742,329), Elm Grove ($696,876). These cities represent the most expensive areas within the county.