Summer Gate At Southbury, Oswego, Illinois - January 2015 About Summer Gate At Southbury Summer Gate At Southbury is a single family home neighborhood built starting in 2007 by Neumann Homes and D R Horton, Inc. Summer Gate At Southbury features homes with floor plans ranging from 2,247 to 3,805 square feet of living space. Summer Gate At Southbury is located in Oswego, Illinois. Average taxes in Summer Gate At Southbury $0 Average association fees in Summer Gate At Southbury $140 ($140 - $140) Average home size in Summer Gate At Southbury 2,723 ft2 Average lot size in Summer Gate At Southbury 0.25 acres Average year built in Summer Gate At Southbury 2014 Homes for sale in Summer Gate At Southbury Address Beds Baths Built Price 291 Willington Way 4 2.1 2015 $315,906 326 Winthrop Dr. 4 ... 01/14/2015