O Fallon, MO Real Estate & Homes For Sale
351 homes
- NEWCOMING SOONFathom Realty-St. Louis
- OPEN FRI, 5-7PM3D VIEWDRG - Delhougne Realty Group
- NEW - 13 HRS AGOSCHNEIDER Real Estate
- OPEN SUN, 1-3PM3D VIEWDRG - Delhougne Realty Group
- NEWNEW CONSTRUCTIONBUILDABLE PLAN
- Keller Williams Realty St. Louis
- Real Broker LLC
- The Agency
- Keller Williams Realty West
- Coldwell Banker Realty - Gundaker
- Alexander Realty Inc
- Magnolia Real Estate
- Berkshire Hathaway HomeServices Select Properties
- Magnolia Real Estate
- Coldwell Banker Realty - Gundaker
- Berkshire Hathaway HomeServices Select Properties
- Berkshire Hathaway HomeServices Select Properties
- Keller Williams Realty West
- Berkshire Hathaway HomeServices Select Properties
- Berkshire Hathaway HomeServices Select Properties
- Mera & Beckman Real Estate
- Berkshire Hathaway HomeServices Select Properties
- Opendoor Brokerage LLC
- STL Premier Real Estate
- Inspiring Real Estate
- Keller Williams Realty West
- Lombardo Homes of St. Louis, LLC
O Fallon, MO Real Estate Trends
Learn about the O Fallon, MO housing market through trends and averages.Affordability of Living in O Fallon, MO
| Month | Median home value |
|---|---|
| May 2025 | $376k |
| June 2025 | $375k |
| July 2025 | $375k |
| August 2025 | $375k |
| September 2025 | $376k |
| October 2025 | $376k |
| November 2025 | $377k |
| December 2025 | $377k |
| January 2026 | $378k |
| February 2026 | $379k |
| March 2026 | $379k |
| April 2026 | $379k |
Trends and affordability stats are provided by third party data sources.
Average Home Value in O Fallon, MO, by Home Size
Currently, there are 80 new listings in O Fallon, MO and 351 homes for sale.
| Home Size | Home Value* |
|---|---|
| 2 bedrooms (43 homes) | $262,865 |
| 3 bedrooms (169 homes) | $348,081 |
| 4 bedrooms (115 homes) | $462,023 |
What Locals Say about O Fallon
Review Highlights
O'Fallon, MO: steady suburb with strong schools, low crime, and lasting value. People love the safe feel, good schools, parks, pet perks, and easy highway access. Concerns: traffic, few sidewalks, rising costs, speeding, limited transit, rapid growth.
AI-generated summary of moderated reviews.

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