Southfield Estates, Oswego, Illinois - February 2017 About Southfield Estates Southfield Estates is a subdivision of single family homes built in the late 1990's. Southfield Estates is located in Oswego, Illinois south of Plainfield Road off of Cherry Road. Average taxes in Southfield Estates $12,012 Average association fees in Southfield Estates $0 Average home size in Southfield Estates 6,506 ft2 Average lot size in Southfield Estates 6.50 acres Average year built in Southfield Estates 0 Homes for sale in Southfield Estates Address Beds Baths Built Price 6145 Southfield- Lot 5 Ln. 0 0.0 0 $250,000 1912 Cherry Rd. 5 5.0 0 $1,499,900 Sales Summary for Southfield Estates  (Feb 19, 2016 - Feb 18, 2017) # of Sales Average Days on Market Average List Average Sale Ratio% 6 159 $548,083 $498... 02/18/2017