20521 Gardner Ave in 60411 was last listed for $74,833. As of today, , this is 3% above the current median price of $73,002 for the city of Chicago Heights and 3% above the median of $73,002 for ZIP code 60411. Right now, there are 81 properties for sale in 60411 and 81 properties listed for sale in Chicago Heights. Those 81 properties are made up of 77 single family homes and 4 condos. The square footage of 20521 Gardner Ave is approximately 1,450, which is 15% above the median size of 1,256 Sqft in Chicago Heights and 15% above the median size of 1,256 Sqft in ZIP code 60411. This property's price per Sqft was $52, which is 2% below the current $53 median in 60411 and 2% below the $53 Chicago Heights median.