- 2 bd
- 1 ba
- 1,098 sqft

The average West Alton, MO home value is $169,137, down 13.7% 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: $169,137
1-Year Value Change: -13.7%
(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 West Alton, MO is $169,137 as of September 2026. This represents a 1.6% decrease compared to last month and a 13.7% decrease year-over-year.
Home values in West Alton, MO have decreased by 1.6% month-over-month and 13.7% year-over-year.
The median home value in West Alton, MO ($169,137) compares to: Saint Charles County ($372,123), Missouri ($265,387), and the U.S. national median ($366,157).