Gunston Ave, Naperville, IL Property Records

DuPage County property records for 12 addresses on Gunston Ave, Naperville, IL · Last verified September 2026

Gunston Ave Highlights

Properties 12
Median Sale Price $499,000
Deeds and Mortgages on File 26
Median Price per Sqft $190
Owner Occupied 100%
Median Annual Tax Bill $9,686
Median Year Built 1966
Median Ownership Tenure 13 years

Properties on Gunston Ave

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

25W230 Gunston Ave

2.5 ba · 2,436 sqft · built 1966 · 0.339 acres

Last Sale Tax Bill Prior Sale Owner Records
$465,000Feb 2020 $10,3232025 Amount on Record Nov 2018 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Sep 2026

25W235 Gunston Ave

4 bd · 2.5 ba · 2,248 sqft · built 1966 · 0.31 acres

Last Sale Tax Bill Prior Sale Owner Records
$499,000Oct 2022 $9,6862025 Amount on Record Jul 2020 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

25W245 Gunston Ave

2.5 ba · 2,436 sqft · built 1967 · 0.35 acres

Last Sale Tax Bill Prior Sale Owner Records
$335,000Jul 2002 $9,5012025 —Sep 1997 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

25W246 Gunston Ave

4 bd · 2.5 ba · 2,637 sqft · built 1966 · 0.319 acres

Last Sale Tax Bill Prior Sale Owner Records
$496,000Aug 2006 $10,5422025 Amount on Record Mar 2006 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

25W257 Gunston Ave

2.5 ba · 2,779 sqft · built 1966 · 0.31 acres

Last Sale Tax Bill Prior Sale Owner Records
$700,000Feb 2026 $10,5002025 Amount on Record Dec 2021 2 Owners on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

25W260 Gunston Ave

2 ba · 1,798 sqft · built 1966 · 0.33 acres

Last Sale Tax Bill Prior Sale Owner Records
$191,000Aug 1994 $9,2642025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

25W270 Gunston Ave

2.5 ba · 2,009 sqft · built 1966 · 0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$302,500May 2013 $9,5152025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

25W271 Gunston Ave

2.5 ba · 2,436 sqft · built 1966 · 0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$290,000Nov 2000 $10,1912025 Amount on Record Jan 1999 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

25W275 Gunston Ave

2.5 ba · 2,550 sqft · built 1966 · 0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$695,000Sep 2025 $9,7942025 Amount on Record May 2019 2 Owners on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

25W282 Gunston Ave

2.5 ba · 2,345 sqft · built 1967 · 0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$199,000Mar 1995 $9,3952025 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

25W300 Gunston Ave

2.5 ba · 2,414 sqft · built 1967 · 0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,3582025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

25W303 Gunston Ave

2.5 ba · 3,511 sqft · built 1967 · 0.35 acres

Last Sale Tax Bill Prior Sale Owner Records
$669,000Oct 2025 $9,5352025 Amount on Record Aug 2003 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

Property Records in Nearby Streets