Housing Market in O'Fallon
O'Fallon's housing market runs genuinely moderate, with a real, disclosed slower appreciation pace than the broader St. Charles County figure this pass found.
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Learn moreA real, modest appreciation pace
Zillow's O'Fallon average home value ran $379,237, up a real, modest 0.9% year-over-year as of April 2026 -- slower than the St. Charles County-wide median sale price's 2.2% year-over-year growth.
A city figure vs. a county figure
O'Fallon's own average home value runs somewhat below the St. Charles County-wide $363,000 median sale price, though the two figures use different methodologies (average value vs. median sale price) -- confirm which figure a comparison is using.
Confirm current, address-specific figures
Confirm current, address-specific comparables and school-district assignment directly with a local agent, given O'Fallon's real, split Fort Zumwalt/Wentzville R-IV structure.
Key takeaways
- O'Fallon's average home value ($379,237) appreciated a modest 0.9% year-over-year.
- St. Charles County-wide median sale prices grew faster (2.2% YoY) than O'Fallon's own city-level figure.
- Confirm current, address-specific comparables directly given real school-district and neighborhood variation.
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