As of today, , there are 203 properties for sale in the 60423 area and 203 properties listed for sale in the city of Frankfort. This single family residential home at 20900 S 80th Ave in ZIP code 60423 was last listed for $193,666. This is 54% below the current $417,450 median price for Frankfort and 54% below the median of $417,450 for the ZIP code. Of the 203 properties for sale in Frankfort, 177 are single family homes and 26 are condos. 20900 S 80th Ave is a single family residential home that is approximately 1,104 Sqft, 63% below the city median of 3,000 and 63% below the 60423 ZIP code median of 3,000. The price per Sqft was $175 which is 33% above the current median price in 60423 of $132 and 33% above the Frankfort median of $132 per square foot.