O Fallon, IL Real Estate & Homes For Sale
107 homes
- NEWOPEN SAT, 12-2PMCOMING SOON3D VIEW0.29 ACRESRE/MAX Preferred
- NEWCOMING SOON0.67 ACRESNettwork Global
- NEWCOMING SOONWorth Clark Realty
- NEW - 2 HRS AGONEW CONSTRUCTION0.29 ACRESRe/Max Signature Properties
- 3D VIEW0.27 ACRESRE/MAX Alliance
- NEW - 2 DAYS AGONettwork Global
- Kunkel Wittenauer Group, Inc
- Judy Dempcy Homes Powered by KW Pinnacle
- Keller Williams Pinnacle
- Keller Williams Pinnacle
- Cole Jones Group with Elevate Illinois Realty
- Nettwork Global
- Keller Williams Pinnacle
- Genstone Realty
- Keller Williams Pinnacle
- Homes By Janell
- Judy Dempcy Homes Powered by KW Pinnacle
- Coldwell Banker Brown Realtors
- Judy Dempcy Homes Powered by KW Pinnacle
- Strano & Associates
- Coldwell Banker Brown Realtors
- Berkshire Hathaway HomeServices Select Properties
O Fallon, IL Real Estate Trends
Learn about the O Fallon, IL housing market through trends and averages.Affordability of Living in O Fallon, IL
| Month | Median home value |
|---|---|
| May 2025 | $303k |
| June 2025 | $304k |
| July 2025 | $304k |
| August 2025 | $305k |
| September 2025 | $305k |
| October 2025 | $307k |
| November 2025 | $308k |
| December 2025 | $309k |
| January 2026 | $310k |
| February 2026 | $311k |
| March 2026 | $311k |
| April 2026 | $311k |
Trends and affordability stats are provided by third party data sources.
Average Home Value in O Fallon, IL, by Home Size
Currently, there are 16 new listings in O Fallon, IL and 107 homes for sale.
| Home Size | Home Value* |
|---|---|
| 2 bedrooms (8 homes) | $167,901 |
| 3 bedrooms (33 homes) | $272,339 |
| 4 bedrooms (41 homes) | $390,614 |
What Locals Say about O Fallon
Review Highlights
O'Fallon, IL: steady, community-focused suburb with top schools, safe streets, parks, and value. People love the safe feel, top-rated schools, parks, trails, and easy St. Louis commute. Concerns: occasional dog waste issues, some dog conflicts, few notable negatives.
AI-generated summary of moderated reviews.

IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Information is deemed reliable but not guaranteed. Some IDX listings have been excluded from this website. Click here for more information


