DuPage County property records for 19 addresses on William Penn Dr, Naperville, IL · Last verified August 2026
| Properties | 19 |
|---|---|
| Median Sale Price | $720,000 |
| Deeds and Mortgages on File | 20 |
| Median Price per Sqft | $178 |
| Owner Occupied | 100% |
| Median Annual Tax Bill | $16,928 |
| Median Year Built | 1999 |
| Median Ownership Tenure | 21 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 3.5 ba · 5,041 sqft · built 2000 · 0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $965,000May 2022 | $19,2812025 | Amount on Record Sep 2000 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2.5 ba · 3,357 sqft · built 2000 · 0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $499,000Jun 2002 | $16,8472025 | —Jul 2000 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 4,002 sqft · built 2000 · 0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $720,000Aug 2013 | $19,2312025 | Amount on Record Sep 2000 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2.5 ba · 2,712 sqft · built 1998 · 0.269 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $470,000Nov 2012 | $13,0852025 | Amount on Record Sep 2004 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 2.5 ba · 3,679 sqft · built 1999 · 0.239 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $479,000Nov 1999 | $18,0932025 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,921 sqft · built 1999 · 0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $306,500Mar 1999 | $13,7842025 | —Mar 1999 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 2.5 ba · 3,682 sqft · built 1999 · 0.239 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $440,500Feb 2000 | $17,6832025 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 2.5 ba · 3,818 sqft · built 1998 · 0.239 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $419,000Nov 1998 | $16,1462025 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3.5 ba · 3,515 sqft · built 1999 · 0.3 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $680,000Jul 2010 | $17,4442025 | Amount on Record Sep 1999 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
4 bd · 2.5 ba · 3,677 sqft · built 1998 · 0.26 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $560,000May 2016 | $18,2092025 | Amount on Record Dec 2003 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
5 bd · 3 ba · 4,954 sqft · built 1999 · 0.239 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $625,000Jun 2005 | $18,3442025 | Amount on Record May 2000 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3.5 ba · 4,952 sqft · built 1999 · 0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $635,000Sep 2018 | $18,1942025 | Amount on Record Jan 2008 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 2.5 ba · 4,489 sqft · built 1999 · 0.33 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $403,000Jun 2000 | $16,6182025 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
4 bd · 2.5 ba · 3,283 sqft · built 2000 · 0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $930,000Apr 2024 | $16,7452025 | Amount on Record Apr 2003 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 3 ba · 4,532 sqft · built 1999 · 0.269 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $520,000Oct 2001 | $16,1442025 | Amount on Record Jan 2000 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2.5 ba · 4,010 sqft · built 2000 · 0.239 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $527,500Feb 2001 | $18,4012025 | —Jun 2014 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 3.5 ba · 4,996 sqft · built 1999 · 0.239 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $890,000May 2024 | $16,9282025 | Amount on Record Jul 2019 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 3 ba · 3,595 sqft · built 2000 · 0.269 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $444,500Apr 2001 | $15,8202025 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
5 bd · 3 ba · 3,420 sqft · built 2000 · 0.28 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $610,000Oct 2016 | $15,9692025 | Amount on Record Jun 2000 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |