Crystal Lake had 12 sales during the week of Tuesday, July 28 to Monday, August 3, including including 8 single family homes for sale with an average list price of $422,425, 1 townhouse for sale with a list price of $329,000, 2 condos for sale with an average list price of $249,900, and 1 lot for sale with a list price of $249,000. There is 1 foreclosure for sale.