O Fallon, IL Real Estate & Homes For Sale
110 homes
- NEW CONSTRUCTIONBUILDABLE PLAN
- NEWCOMING SOONReal Broker LLC
- NEWCOMING SOON0.39 ACRESJudy Dempcy Homes Powered by KW Pinnacle
- COMING SOON0.37 ACRESRE/MAX Alliance
- NEWCOMING SOON0.3 ACRESWorth Clark Realty
- 0.33 ACRESKeller Williams Pinnacle
- Worth Clark Realty
- Berkshire Hathaway HomeServices Select Properties
- Coldwell Banker Brown Realtors
- Judy Dempcy Homes Powered by KW Pinnacle
- Strano & Associates
- Genstone Realty
- Coldwell Banker Brown Realtors
- Keller Williams Pinnacle
- Keller Williams Pinnacle
- Coldwell Banker Brown Realtors
- Keller Williams Realty Platinum East
- Real Broker LLC
- Real Broker LLC
- Judy Dempcy Homes Powered by KW Pinnacle
- 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 19 new listings in O Fallon, IL and 110 homes for sale.
| Home Size | Home Value* |
|---|---|
| 2 bedrooms (7 homes) | $167,901 |
| 3 bedrooms (38 homes) | $272,339 |
| 4 bedrooms (42 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.

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