DuPage County property records for 4 addresses on Summit Ave, Oak Brook, IL · Last verified August 2026
| Properties | 6 |
|---|---|
| Median Sale Price | $470,000 |
| Deeds and Mortgages on File | 1 |
| Median Price per Sqft | $431 |
| Owner Occupied | 17% |
| Median Annual Tax Bill | $2,904 |
| Median Year Built | 1985 |
| Median Ownership Tenure | 2 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
3 units · Built 1985 · 1,089 sq ft
| Last Sale | Median Tax Bill | Median Sale | ||
|---|---|---|---|---|
| $470,000Oct 2024 | $2,8412025 | $470,0003 units |
7.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
1,729 sqft · Built 1980 · 2.51 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $800,000Jun 2026 | $4,2752025 | Sale Amount Jan 2014 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
3,922 sqft · Built 1980 · 0.339 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $18,7192025 | 1 Name on Record | AssessorUpdated Aug 2026 |