4636 N Opal Ave in 60706 was last listed for $280,333. As of today, , this is 16% below the current median price of $334,950 for the city of Harwood Heights and 16% below the median of $334,950 for ZIP code 60706. Right now, there are 42 properties for sale in 60706 and 42 properties listed for sale in Harwood Heights. Those 42 properties are made up of 33 single family homes and 9 condos. The square footage of 4636 N Opal Ave is approximately 1,243, which is 22% below the median size of 1,600 square feet in Harwood Heights and 22% below the median size of 1,600 square feet in ZIP code 60706. This property's price per Sqft was $226, which is 9% above the current $207 median in 60706 and 9% above the $207 Harwood Heights median.