As of today, , there are 2 properties for sale in the 60491 area and 144 properties listed for sale in the city of Lockport. This single family residential home at 15663 Walnut Ct in ZIP code 60491 was last listed for $270,333. This is 2% above the current $265,450 median price for Lockport and 50% below the median of $537,450 for the ZIP code. Of the 144 properties for sale in Lockport, 120 are single family homes and 24 are condos. 15663 Walnut Ct is a single family residential home that is approximately — square feet, 100% below the city median of 2,097 and 100% below the 60491 ZIP code median of 3,253. The price per Sqft was — which is 100% below the current median price in 60491 of $167 and 100% below the Lockport median of $130 per square foot.