St. Charles had 27 new homes for sale during the week of Friday, August 7 to Thursday, August 13, including 12 single family homes for sale with an average list price of $722,741.67, 11 townhouses for sale with an average list price of $411,121.82, and 4 condos for sale with an average list price of $395,972.50. For anyone looking for a brand new home, there are 7 new construction homes for sale.