Current O Fallon median home price: $292,031
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2025 September | $314,779 | $283,301 | $346,257 |
| 2025 October | $316,437 | $284,794 | $348,081 |
| 2025 November | $318,104 | $286,294 | $349,915 |
| 2025 December | $319,780 | $287,802 | $351,758 |