Oswego had 18 sales during the week of Tuesday, July 14 to Monday, July 20, including including 9 single family homes for sale with an average list price of $465,490, 5 townhouses for sale with an average list price of $348,677.20, and 4 condos for sale with an average list price of $266,250. For anyone looking for a brand new home, there are 5 new construction homes for sale.