- 2 bd
- 3 ba
- 1,378 sqft

The average O Fallon, MO home value is $379,515, up 1.7% over the past year, and homes go to pending in around 8 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: $379,515
1-Year Value Change: +1.7%
(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 O Fallon, MO is $379,515 as of August 2026. This represents a 0.3% increase compared to last month and a 1.7% increase year-over-year.
Home values in O Fallon, MO have increased by 0.3% month-over-month and 1.7% year-over-year.
The median home value in O Fallon, MO ($379,515) compares to: Saint Charles County ($373,535), Missouri ($267,879), and the U.S. national median ($368,697).