Oswego had 22 sales during the week of Tuesday, September 15 to Monday, September 21, including including 18 single family homes for sale with an average list price of $534,396.11, 3 townhouses for sale with an average list price of $370,990, and 1 condo for sale with a list price of $350,000. For anyone looking for a brand new home, there are 8 new construction homes for sale.