- 4 bd
- 3 ba
- 2,479 sqft

The average Saint Charles County, MO home value is $373,535, up 2.1% over the past year, and homes go to pending in around 7 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: $373,535
1-Year Value Change: +2.1%
(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 Saint Charles County, MO is $373,535 as of August 2026. This represents a 0.3% increase compared to last month and a 2.1% increase year-over-year.
The median home value in Saint Charles County, MO ($373,535) compares to Missouri ($267,879) and the U.S. national median ($368,697).
The cities with the highest median home values in Saint Charles County, MO include: Weldon Spring ($639,567), Flint Hill ($593,802), Augusta ($579,299), Cottleville ($504,005), Saint Paul ($472,753). These cities represent the most expensive areas within the county.