As of , there are 140 properties listed for sale in the city of O Fallon and 140 properties listed for sale in the ZIP code 62269. Those 140 O Fallon properties include 137 single family homes and 3 condos. This single family residential home located at 302 S Smiley St in 62269 was last listed for $139,500. This is 39% below the median of $229,985 for that ZIP code and 39% below the current median price of $229,985 for O Fallon. 302 S Smiley St is roughly 1,928 square feet, which is 5% below the O Fallon median of 2,024 and 5% below the 62269 ZIP code median of 2,024. This property's price per square foot was $72, which is 35% below the current median price in 62269 of $110 and 35% below the O Fallon median of $110 per square foot.