St. Charles had 17 sales during the week of Tuesday, July 28 to Monday, August 3, including including 10 single family homes for sale with an average list price of $580,760, 4 townhouses for sale with an average list price of $398,197.25, and 2 condos for sale with an average list price of $423,445. For anyone looking for a brand new home, there are 2 new construction homes for sale.