Great Oak Ct, Naperville, IL Property Records

DuPage County property records for 5 addresses on Great Oak Ct, Naperville, IL · Last verified August 2026

Great Oak Ct Highlights

Properties 5
Median Sale Price $630,000
Deeds and Mortgages on File 5
Median Price per Sqft $138
Owner Occupied 100%
Median Annual Tax Bill $16,060
Median Year Built 1988
Median Ownership Tenure 5 years

Properties on Great Oak Ct

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

340 Great Oak Ct

4 ba · 4,548 sqft · built 1987 · 0.43 acres

Last Sale Tax Bill Prior Sale Owner Records
$630,000Jan 2021 $17,3762025 Amount on Record May 2014 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

343 Great Oak Ct

3 ba · 3,630 sqft · built 1988 · 0.36 acres

Last Sale Tax Bill Prior Sale Owner Records
$16,9252025 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

344 Great Oak Ct

2.5 ba · 4,318 sqft · built 1992 · 0.219 acres

Last Sale Tax Bill Prior Sale Owner Records
$635,000Feb 2023 $13,5202025 —Nov 2014 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

347 Great Oak Ct

3 ba · 3,798 sqft · built 1988 · 0.319 acres

Last Sale Tax Bill Prior Sale Owner Records
$16,0602025 —Nov 2019 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

348 Great Oak Ct

4 bd · 3.5 ba · 4,256 sqft · built 1991 · 0.31 acres

Last Sale Tax Bill Prior Sale Owner Records
$518,000Jul 2010 $15,6912025 Amount on Record Jul 1994 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

Property Records in Nearby Streets