Sunnyside Ave, Thornton, IL Property Records

Cook County property records for 34 addresses on Sunnyside Ave, Thornton, IL · Last verified August 2026

Sunnyside Ave Highlights

Properties 34
Median Sale Price $173,000
Deeds and Mortgages on File 37
Median Price per Sqft $131
Owner Occupied 85%
Median Annual Tax Bill $5,383
Median Year Built 1961
Median Ownership Tenure 12 years

Properties on Sunnyside Ave

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

800 Sunnyside Ave

3 bd · 1.5 ba · 1,106 sqft · built 1961 · 0.146 acres

Last Sale Tax Bill Prior Sale Owner Records
$145,000Dec 2023 $5,3832023 —Aug 2016 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

801 Sunnyside Ave

3 bd · 1.5 ba · 1,113 sqft · built 1962 · 0.146 acres

Last Sale Tax Bill Prior Sale Owner Records
$105,000May 2017 $4,3762023 Amount on Record Aug 2006 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

804 Sunnyside Ave

3 bd · 1.5 ba · 1,578 sqft · built 1961 · 0.146 acres

Last Sale Tax Bill Prior Sale Owner Records
$147,500Sep 2003 $5,8872023 Amount on Record May 1995 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

805 Sunnyside Ave

3 bd · 1.5 ba · 1,106 sqft · built 1961 · 0.097 acres

Last Sale Tax Bill Prior Sale Owner Records
$206,000Jun 2022 $7,5582023 Amount on Record Dec 2018 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

808 Sunnyside Ave

3 bd · 1.5 ba · 1,106 sqft · built 1961 · 0.146 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,5432023 Owner on Record Owner Occupied AssessorUpdated Jun 2026

809 Sunnyside Ave

3 bd · 1.5 ba · 1,106 sqft · built 1961 · 0.146 acres

Last Sale Tax Bill Prior Sale Owner Records
$125,000Nov 2018 $5,8872023 Amount on Record Dec 2011 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

812 Sunnyside Ave

3 bd · 1 ba · 1,106 sqft · built 1961 · 0.146 acres

Last Sale Tax Bill Prior Sale Owner Records
$133,500Sep 1999 $4,1252023 Owner on Record Owner Occupied AssessorUpdated Jun 2026

813 Sunnyside Ave

3 bd · 1.5 ba · 1,106 sqft · built 1961 · 0.146 acres

Last Sale Tax Bill Prior Sale Owner Records
$77,000Jun 2014 $5,0942023 Amount on Record Jan 1996 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

816 Sunnyside Ave

3 bd · 1.5 ba · 1,106 sqft · built 1961 · 0.122 acres

Last Sale Tax Bill Prior Sale Owner Records
$189,500Feb 2026 $6,5502023 —Dec 2009 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

817 Sunnyside Ave

3 bd · 1.5 ba · 1,106 sqft · built 1961 · 0.146 acres

Last Sale Tax Bill Prior Sale Owner Records
$85,000Jan 2014 $5,3832023 Amount on Record Oct 1999 Owner on Record Owner Occupied AssessorUpdated Jun 2026

820 Sunnyside Ave

4 bd · 1.5 ba · 1,779 sqft · built 1961 · 0.17 acres

Last Sale Tax Bill Prior Sale Owner Records
$155,000Feb 2021 $6,3912023 Amount on Record Jan 2005 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

821 Sunnyside Ave

3 bd · 1.5 ba · 1,106 sqft · built 1961 · 0.17 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,5512023 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

900 Sunnyside Ave

3 bd · 1.5 ba · 1,108 sqft · built 1962 · 0.155 acres

Last Sale Tax Bill Prior Sale Owner Records
$90,000Jan 2016 $4,9262023 Amount on Record Oct 2005 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

901 Sunnyside Ave

3 bd · 1 ba · 1,073 sqft · built 1960 · 0.155 acres

Last Sale Tax Bill Prior Sale Owner Records
$162,000Jul 2022 $6,5502023 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

904 Sunnyside Ave

3 bd · 1.5 ba · 1,106 sqft · built 1961 · 0.122 acres

Last Sale Tax Bill Prior Sale Owner Records
$118,500Nov 2007 $4,3762023 Amount on Record Jul 2002 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

905 Sunnyside Ave

3 bd · 1.5 ba · 1,060 sqft · built 1962 · 0.122 acres

Last Sale Tax Bill Prior Sale Owner Records
$112,500Sep 2008 $5,8882023 Owner on Record Owner Occupied AssessorUpdated Jun 2026

908 Sunnyside Ave

3 bd · 1 ba · 1,073 sqft · built 1960 · 0.158 acres

Last Sale Tax Bill Prior Sale Owner Records
$80,000May 2011 $4,8792023 Amount on Record Dec 1999 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

909 Sunnyside Ave

3 bd · 1 ba · 1,073 sqft · built 1961 · 0.146 acres

Last Sale Tax Bill Prior Sale Owner Records
$61,000Jun 2014 $4,3762023 —Jul 2013 Owner on Record Owner Occupied AssessorUpdated Jun 2026

912 Sunnyside Ave

4 bd · 1 ba · 1,493 sqft · built 1960 · 0.156 acres

Last Sale Tax Bill Prior Sale Owner Records
$190,000Aug 2024 $4,3762023 Amount on Record Apr 2012 Owner on Record Assessor + 2 DocumentsUpdated Jun 2026

913 Sunnyside Ave

3 bd · 1.5 ba · 1,073 sqft · built 1961 · 0.122 acres

Last Sale Tax Bill Prior Sale Owner Records
$122,910Sep 2025 $3,1292023 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

916 Sunnyside Ave

4 bd · 1 ba · 1,521 sqft · built 1960 · 0.156 acres

Last Sale Tax Bill Prior Sale Owner Records
$85,000Jan 2020 $7,0542023 —Jun 2007 Owner on Record Assessor + 1 DocumentUpdated Jun 2026

917 Sunnyside Ave

3 bd · 1.5 ba · 1,058 sqft · built 1963 · 0.146 acres

Last Sale Tax Bill Prior Sale Owner Records
$33,000Jan 2013 $5,8182023 —Jul 2012 Owner on Record Assessor + 1 DocumentUpdated Jun 2026

920 Sunnyside Ave

3 bd · 1 ba · 1,073 sqft · built 1961 · 0.156 acres

Last Sale Tax Bill Prior Sale Owner Records
$173,000Mar 2026 $6,1732023 Amount on Record Sep 2015 Owner on Record Assessor + 2 DocumentsUpdated Jul 2026

921 Sunnyside Ave

3 bd · 1 ba · 1,553 sqft · built 1960 · 0.188 acres

Last Sale Tax Bill Prior Sale Owner Records
$89,500Nov 2012 $6,3912023 Amount on Record Aug 2002 Owner on Record Owner Occupied AssessorUpdated Jun 2026

924 Sunnyside Ave

3 bd · 1 ba · 1,073 sqft · built 1960 · 0.156 acres

Last Sale Tax Bill Prior Sale Owner Records
$45,000Jan 2013 $6,5502023 —Jan 2013 Owner on Record Assessor + 1 DocumentUpdated Jun 2026

925 Sunnyside Ave

3 bd · 1 ba · 1,073 sqft · built 1960 · 0.178 acres

Last Sale Tax Bill Prior Sale Owner Records
$90,500Apr 1995 $4,8792023 Owner on Record Owner Occupied AssessorUpdated Jun 2026

928 Sunnyside Ave

3 bd · 1 ba · 1,073 sqft · built 1960 · 0.156 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,5432023 Owner on Record Owner Occupied AssessorUpdated Jun 2026

929 Sunnyside Ave

3 bd · 1 ba · 1,649 sqft · built 1960 · 0.197 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,2812023 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

932 Sunnyside Ave

4 bd · 2 ba · 1,437 sqft · built 1960 · 0.156 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,5432023 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

933 Sunnyside Ave

3 bd · 1.5 ba · 1,113 sqft · built 1961 · 0.146 acres

Last Sale Tax Bill Prior Sale Owner Records
$140,000Jan 2009 $5,8872023 Amount on Record Aug 2002 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

936 Sunnyside Ave

3 bd · 1 ba · 1,385 sqft · built 1960 · 0.156 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000Jun 2022 $7,0542023 Amount on Record Jul 2013 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

937 Sunnyside Ave

4 bd · 1 ba · 1,073 sqft · built 1961 · 0.156 acres

Last Sale Tax Bill Prior Sale Owner Records
$185,000May 2024 $6,5502023 Amount on Record Aug 2023 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

940 Sunnyside Ave

3 bd · 1 ba · 1,300 sqft · built 1961 · 0.156 acres

Last Sale Tax Bill Prior Sale Owner Records
$110,000Aug 2001 $1,0542023 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

941 Sunnyside Ave

3 bd · 1 ba · 1,073 sqft · built 1960 · 0.157 acres

Last Sale Tax Bill Prior Sale Owner Records
$106,500Aug 2014 $4,8792023 Amount on Record Feb 2003 Owner on Record Owner Occupied AssessorUpdated Jun 2026

Property Records in Nearby Streets