William St, Thornton, IL Property Records

Cook County property records for 5 addresses on William St, Thornton, IL · Last verified June 2026

William St Highlights

Properties 5
Sales Recorded 2
Owner Occupied 40%
Median Annual Tax Bill $1,580
Median Year Built 2003
Average Ownership Tenure 39 years

Properties on William St

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

101 William St

Built 1984 · 0.082 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 1987 $3102023 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

103 William St

Built 1984 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 1987 $6922023 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

17100 William St

11.7 acres

Last Sale Tax Bill Prior Sale Owner Records
$24,3952023 1 Name on Record AssessorUpdated Jun 2026

17200 William St

Built 2003 · 0.302 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,5802023 1 Name on Record AssessorUpdated Jun 2026

17300 William St

Built 2003 · 12.9 acres

Last Sale Tax Bill Prior Sale Owner Records
$67,2302023 1 Name on Record AssessorUpdated Jun 2026

Property Records in Nearby Streets