DuPage County property records for 9 addresses on Washington St, Oak Brook, IL · Last verified August 2026
| Properties | 9 |
|---|---|
| Median Sale Price | $1,215,000 |
| Deeds and Mortgages on File | 12 |
| Median Price per Sqft | $225 |
| Owner Occupied | 100% |
| Median Annual Tax Bill | $20,750 |
| Median Year Built | 1980 |
| Median Ownership Tenure | 19 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
1,066 sqft · Built 1963 · 4.98 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,0522025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
3,352 sqft · Built 1973 · 0.739 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $675,000Jan 2002 | $19,4972025 | —Jul 2014 | 1 Name on Record Owner Occupied | Assessor + 7 DocumentsUpdated Aug 2026 |
1,329 sqft · Built 1920 · 0.33 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,8862025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
5 bd · 4.5 ba · 4,263 sqft · 0.919 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,326,500May 2007 | $25,5162025 | —Dec 2000 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
5,201 sqft · Built 1981 · 0.919 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,175,000Jun 2011 | $27,4512025 | Amount on Record Sep 1994 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
7 bd · 7.5 ba · 6,314 sqft · 0.6 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,215,000Dec 2020 | $23,3222025 | Amount on Record Jul 2002 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
4,380 sqft · Built 1987 · 0.76 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $950,000Apr 2023 | $17,1362025 | —Mar 1999 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 3.5 ba · 4,295 sqft · 0.76 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,375,000Jun 2006 | $20,7502025 | —Jun 2006 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
4,278 sqft · Built 1987 · 0.939 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Feb 2002 | $26,2122025 | 2 Names 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 of burnable land |