- 1 bd
- 1 ba
- 584 sqft

The average Lake Saint Louis, MO home value is $433,058, up 1.0% over the past year, and homes go to pending in around 14 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: $433,058
1-Year Value Change: +1%
(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 Lake Saint Louis, MO is $433,058 as of September 2026. This represents a 0.2% increase compared to last month and a 1.0% increase year-over-year.
Home values in Lake Saint Louis, MO have increased by 0.2% month-over-month and 1.0% year-over-year.
The median home value in Lake Saint Louis, MO ($433,058) compares to: Saint Charles County ($372,123), Missouri ($265,387), and the U.S. national median ($366,157).