As of today, , there are 223 properties listed for sale in ZIP code 60030 and 223 properties listed for sale in the city of Grayslake. Of those 223 properties, there are 183 single family houses and 40 condos. The last known list price for 1004 Potomac Ct was $279,000, which is 24% above the current median price of $224,900 for Grayslake and 24% above the median of $224,900 for 60030. 1004 Potomac Ct is a single family residential home that is approximately 2,692 square feet, which is 44% above the median size in Grayslake of 1,866 Sqft and 44% above the median size in 60030 of 1,866 square feet. This property's price per Sqft was $104, which is 10% below the current median in 60030 of $115 and 10% below the Grayslake median of $115.