- 4 bd
- 14 ba
- 4,044 sqft

The average Saint Charles County, MO home value is $372,123, up 2.2% over the past year, and homes go to pending in around 9 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: $372,123
1-Year Value Change: +2.2%
(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 Saint Charles County, MO is $372,123 as of September 2026. This represents a 0.3% increase compared to last month and a 2.2% increase year-over-year.
The median home value in Saint Charles County, MO ($372,123) compares to Missouri ($265,387) and the U.S. national median ($366,157).
The cities with the highest median home values in Saint Charles County, MO include: Weldon Spring ($632,393), Flint Hill ($590,628), Augusta ($567,649), Cottleville ($502,685), Dardenne Prairie ($472,481). These cities represent the most expensive areas within the county.