As of , there are 144 properties listed for sale in the city of O Fallon and 144 properties listed for sale in the ZIP code 62269. Those 144 O Fallon properties include 140 single family homes and 4 condos. This single family residential home located at 853 Allenbrook Ave in 62269 was last listed for $208,500. This is 10% below the median of $232,485 for that ZIP code and 10% below the current median price of $232,485 for O Fallon. 853 Allenbrook Ave is roughly 936 Sqft, which is 53% below the O Fallon median of 1,978 and 53% below the 62269 ZIP code median of 1,978. This property's price per Sqft was $223, which is 106% above the current median price in 62269 of $108 and 106% above the O Fallon median of $108 per square foot.