Current O Fallon median home price: $357,952
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 January | $384,906 | $346,415 | $423,396 |
| 2026 February | $386,930 | $348,237 | $425,623 |
| 2026 March | $388,965 | $350,068 | $427,861 |
| 2026 April | $391,010 | $351,909 | $430,111 |
| 2026 May | $393,067 | $353,760 | $432,373 |
| 2026 June | $395,134 | $355,620 | $434,647 |
| 2026 July | $397,212 | $357,490 | $436,933 |
| 2026 August | $399,256 | $359,330 | $439,181 |
| 2026 September | $401,355 | $361,220 | $441,491 |
| 2026 October | $403,466 | $363,119 | $443,812 |
| 2026 November | $405,588 | $365,029 | $446,146 |
| 2026 December | $407,721 | $366,949 | $448,493 |