Sidney Ave, Glendale Heights, IL Property Records

DuPage County property records for 31 addresses on Sidney Ave, Glendale Heights, IL · Last verified August 2026

Sidney Ave Highlights

Properties 97
Median Sale Price $170,500
Deeds and Mortgages on File 87
Median Price per Sqft $180
Owner Occupied 77%
Median Annual Tax Bill $3,906
Median Year Built 1973
Median Ownership Tenure 12 years

Properties on Sidney Ave

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

411 Sidney Ave

4 units · Built 1972 · 795 sq ft

Last Sale Median Tax Bill Median Sale    
$182,500Sep 2024 $3,9062025 $182,0004 units    

413 Sidney Ave

4 units · Built 1973 · 795 sq ft

Last Sale Median Tax Bill Median Sale    
$225,000Nov 2025 $4,4162025 $140,0004 units    

419 Sidney Ave

2 bd · 1 ba · 795 sqft · built 1973 · 1.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$200,000Oct 2025 $3,8402025 Amount on Record Dec 2012 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

419 Sidney Ave

3 units · Built 1972 · 882 sq ft

Last Sale Median Tax Bill Median Sale    
$195,000Jan 2025 $3,9062025 —3 units    

421 Sidney Ave

4 units · Built 1972 · 795 sq ft

Last Sale Median Tax Bill Median Sale    
$127,000Jan 2022 $4,4162025 $70,0004 units    

429 Sidney Ave

5 units · Built 1966 · 1,196 sq ft

Last Sale Median Tax Bill Median Sale    
$138,000Jan 2022 $4,1942025 $138,0005 units    

447 Sidney Ave

4 units · Built 1973 · 795 sq ft

Last Sale Median Tax Bill Median Sale    
$82,500Jul 2017 $3,9062025 $56,0004 units    

449 Sidney Ave

4 units · Built 1973 · 795 sq ft

Last Sale Median Tax Bill Median Sale    
$170,000Sep 2023 $4,6272025 $133,0004 units    

453 Sidney Ave

4 units · Built 1973 · 795 sq ft

Last Sale Median Tax Bill Median Sale    
$185,000Dec 2023 $3,9062025 $119,0004 units    

455 Sidney Ave

4 units · Built 1973 · 795 sq ft

Last Sale Median Tax Bill Median Sale    
$70,000Oct 2018 $3,9062025 $95,0004 units    

477 Sidney Ave

3 units · Built 1973 · 795 sq ft

Last Sale Median Tax Bill Median Sale    
$159,000Jun 2022 $3,9062025 —3 units    

477B Sidney Ave, #83-B

2 bd · 1 ba · 882 sqft · built 1973 · 2.81 acres

Last Sale Tax Bill Prior Sale Owner Records
$202,000Aug 2025 $3,9062025 Amount on Record Sep 2019 2 Owners on Record Assessor + 2 DocumentsUpdated Aug 2026

479 Sidney Ave

4 units · Built 1973 · 795 sq ft

Last Sale Median Tax Bill Median Sale    
$135,000Jan 2022 $3,9062025 $135,0004 units    

483 Sidney Ave

4 units · Built 1973 · 795 sq ft

Last Sale Median Tax Bill Median Sale    
$133,000Jul 2019 $3,9062025 $133,0004 units    

485 Sidney Ave

4 units · Built 1973 · 795 sq ft

Last Sale Median Tax Bill Median Sale    
$125,000Mar 2021 $3,9062025 $125,0004 units    

493 Sidney Ave

3 units · Built 1973 · 795 sq ft

Last Sale Median Tax Bill Median Sale    
$160,000Jun 2023 $3,9062025 $121,5003 units    

493C Sidney Ave, #79-C

2 bd · 1 ba · 882 sqft · built 1973 · 2.81 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,9062025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

495 Sidney Ave

4 units · Built 1973 · 795 sq ft

Last Sale Median Tax Bill Median Sale    
$215,000Sep 2025 $3,9062025 $142,0004 units    

499 Sidney Ave

4 units · Built 1973 · 795 sq ft

Last Sale Median Tax Bill Median Sale    
$100,500Mar 2021 $4,4162025 $95,0004 units    

501 Sidney Ave

4 units · Built 1973 · 795 sq ft

Last Sale Median Tax Bill Median Sale    
$170,500Jan 2024 $3,9062025 $129,0004 units    

513 Sidney Ave

4 units · Built 1970 · 1,196 sq ft

Last Sale Median Tax Bill Median Sale    
$185,000Aug 2022 $5,4652025 $135,5004 units    

521 Sidney Ave

3 units · Built 1970 · 1,196 sq ft

Last Sale Median Tax Bill Median Sale    
$155,000Sep 2004 $4,7052025 —3 units    

521 Sidney Ave

3 bd · 1.5 ba · 1,196 sqft · built 1970 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$150,500Mar 2004 $4,7432025 Amount on Record Oct 2001 Owner on Record Owner Occupied AssessorUpdated Aug 2026

529 Sidney Ave

4 units · Built 1970 · 1,196 sq ft

Last Sale Median Tax Bill Median Sale    
$200,000Jul 2025 $5,5422025 $197,0004 units    

545 Sidney Ave

4 units · Built 1972 · 795 sq ft

Last Sale Median Tax Bill Median Sale    
$140,000Jun 2024 $4,5622025 $117,5004 units    

551 Sidney Ave

4 units · Built 1972 · 795 sq ft

Last Sale Median Tax Bill Median Sale    
$160,000May 2023 $3,9062025 $55,5004 units    

559 Sidney Ave

4 units · Built 1972 · 795 sq ft

Last Sale Median Tax Bill Median Sale    
$106,000May 2018 $4,4162025 $106,0004 units    

565 Sidney Ave

6 bd · 4 ba · 2,652 sqft · built 1962 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$360,000Sep 2021 $13,1182025 Amount on Record May 2017 Owner on Record Assessor + 3 DocumentsUpdated Aug 2026

566 Sidney Ave

3 bd · 1 ba · 948 sqft · built 1960 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$125,000Sep 2012 —Sep 2001 Owner on Record Owner Occupied AssessorUpdated Aug 2026

571 Sidney Ave

2,652 sqft · built 1961 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$410,000Sep 2019 $14,8152025 —Sep 2012 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

577 Sidney Ave

5,712 sqft · built 1964 · 0.269 acres

Last Sale Tax Bill Prior Sale Owner Records
$370,000Apr 2000 Amount on Record Feb 1996 Owner on Record Owner Occupied AssessorUpdated Aug 2026

Property Records in Nearby Streets