As of today, , there are 184 properties listed for sale in ZIP code 62040 and 184 properties listed for sale in the city of Granite City. Of those 184 properties, there are 183 single family houses and 1 condos. The last known list price for 4728 Warnock Ave was $70,666, which is 3% below the current median price of $72,900 for Granite City and 3% below the median of $72,900 for 62040. 4728 Warnock Ave is a single family residential home that is approximately 1,200 square feet, which is 8% above the median size in Granite City of 1,112 square feet and 8% above the median size in 62040 of 1,112 square feet. This property's price per square foot was $59, which is 9% below the current median in 62040 of $65 and 9% below the Granite City median of $65.