- 1 bd
- 1 ba
- 848 sqft

The average Lannon, WI home value is $519,926, up 6.4% over the past year. (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: $519,926
1-Year Value Change: +6.4%
(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 Lannon, WI is $519,926 as of August 2026. This represents a 0.3% increase compared to last month and a 6.4% increase year-over-year.
Home values in Lannon, WI have increased by 0.3% month-over-month and 6.4% year-over-year.
The median home value in Lannon, WI ($519,926) compares to: Waukesha County ($508,162), Wisconsin ($339,699), and the U.S. national median ($368,697).