O Fallon, MO Real Estate & Homes For Sale
359 homes
- NEWFOR SALE BY OWNER
- NEWCOMING SOON1.71 ACRESNettwork Global
- COMING SOONKeller Williams Realty West
- NEW - 1 DAY AGOThe Nguyen Realty, LLC
- OPEN SAT, 10-12PMCOMING SOON3D VIEW0.28 ACRESRedKey Realty Leaders
- Berkshire Hathaway HomeServices Select Properties
- Platinum Realty of St. Louis
- Compass Realty Group
- McKelvey Homes Realty, LLC
- CityScapes Realty
- Coldwell Banker Realty - Gundaker
- MORE, REALTORS
- BHHS Select Properties
- Tom Shaw, REALTORS
- Magnolia Real Estate
- Keller Williams Realty West
- Realty Shop
- Realty Shop
- Realty Shop
- Realty Shop
- Realty Shop
- Realty Shop
- Realty Shop
- Realty Shop
- Realty Shop
- Fox & Riley Real Estate
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 |
|---|---|
| October 2025 | $372k |
| November 2025 | $372k |
| December 2025 | $373k |
| January 2026 | $374k |
| February 2026 | $374k |
| March 2026 | $375k |
| April 2026 | $375k |
| May 2026 | $375k |
| June 2026 | $375k |
| July 2026 | $376k |
| August 2026 | $377k |
| September 2026 | $378k |
Trends and affordability stats are provided by third party data sources.
Average Home Value in O Fallon, MO, by Home Size
Currently, there are 57 new listings in O Fallon, MO and 359 homes for sale.
| Home Size | Home Value* |
|---|---|
| 2 bedrooms (54 homes) | $263,356 |
| 3 bedrooms (159 homes) | $347,096 |
| 4 bedrooms (121 homes) | $459,338 |
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.
Browse O Fallon, MO homes by type

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