DuPage County property records for 12 addresses on Ottawa Ln, Oak Brook, IL · Last verified August 2026
| Properties | 12 |
|---|---|
| Median Sale Price | $1,500,000 |
| Deeds and Mortgages on File | 21 |
| Median Price per Sqft | $236 |
| Owner Occupied | 92% |
| Median Annual Tax Bill | $18,609 |
| Median Year Built | 1985 |
| Median Ownership Tenure | 7 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4,563 sqft · built 1998 · 0.989 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Dec 1997 | $18,0862025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
7,236 sqft · built 1987 · 0.989 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,600,000Oct 2024 | $18,8552025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4,663 sqft · built 1982 · 1.11 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $16,9412025 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
6,448 sqft · built 1978 · 0.989 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Nov 2019 | $19,2342025 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
5 bd · 5 ba · 4,106 sqft · built 1980 · 1.16 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,500,000Jun 2010 | $18,5952025 | —Aug 2015 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
5,978 sqft · built 1988 · 0.96 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $875,000Sep 2019 | $13,0062025 | Amount on Record Oct 1999 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
6,384 sqft · built 1978 · 1.01 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,475,000Jul 1995 | $18,6092025 | —Jun 1998 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
6,529 sqft · built 2002 · 0.989 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,450,000Jan 2024 | $21,5472025 | Amount on Record Oct 2003 | 2 Names on Record | Assessor + 3 DocumentsUpdated Aug 2026 |
4,249 sqft · built 1979 · 1.01 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,005,000Jun 2017 | $16,7302025 | Amount on Record Sep 2006 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
9,145 sqft · built 1990 · 0.96 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,525,000Jan 2022 | $32,0492025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
5 bd · 6,219 sqft · built 1984 · 0.98 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $900,000Jun 2024 | $13,4152025 | —Aug 2020 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
6,738 sqft · built 1985 · 1.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —May 1998 | $19,6742025 | 2 Names on Record Owner Occupied | AssessorUpdated 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 |