Crystal Lake had 21 sales during the week of Tuesday, October 28 to Monday, November 3, including including 14 single family homes for sale with an average list price of $501,950, 1 townhouse for sale with a list price of $385,800, 4 condos for sale with an average list price of $223,700, and 1 lot for sale with a list price of $2,900,000.