DuPage County property records for 8 addresses on Blackthorne Ln, Naperville, IL · Last verified August 2026
| Properties | 8 |
|---|---|
| Median Sale Price | $365,000 |
| Deeds and Mortgages on File | 17 |
| Median Price per Sqft | $141 |
| Owner Occupied | 100% |
| Median Annual Tax Bill | $11,236 |
| Median Year Built | 1966 |
| Median Ownership Tenure | 12 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
1.5 ba · 2,446 sqft · built 1968 · 0.48 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $345,000Dec 2015 | $10,7402025 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
4 bd · 2 ba · 1,995 sqft · built 1959 · 0.48 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $332,000Mar 2013 | $10,0872025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
2 ba · 1,769 sqft · built 1957 · 0.48 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Aug 2000 | $9,4072025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
2.5 ba · 2,612 sqft · built 1964 · 0.48 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $510,500Jul 2019 | $11,2362025 | Amount on Record Jun 1999 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
3 ba · 3,255 sqft · built 1974 · 0.46 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $292,500Mar 2000 | $11,2282025 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
3.5 ba · 3,603 sqft · built 1957 · 0.5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $425,000Apr 2014 | $12,9072025 | —Nov 1996 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
3 bd · 6 ba · 6,339 sqft · built 2008 · 0.46 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,210,000Aug 2021 | $27,5842025 | Amount on Record Sep 2005 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
2 ba · 2,852 sqft · built 1966 · 0.689 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $365,000Mar 2002 | $11,5232025 | Amount on Record Jul 1998 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated 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 |