DuPage County property records for 14 addresses on 31st St, Oak Brook, IL · Last verified August 2026
| Properties | 14 |
|---|---|
| Median Sale Price | $410,000 |
| Deeds and Mortgages on File | 17 |
| Median Price per Sqft | $179 |
| Owner Occupied | 79% |
| Median Annual Tax Bill | $18,096 |
| Median Year Built | 1980 |
| Median Ownership Tenure | 13 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
2,436 sqft · Built 1971 · 0.33 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $380,000Sep 2022 | $10,9112025 | —Mar 2022 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
3 bd · 2.5 ba · 2,372 sqft · 0.28 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $405,000May 2014 | $12,2112025 | Amount on Record Oct 2009 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
3,363 sqft · Built 2001 · 0.28 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $138,000Apr 1998 | $13,9572025 | —Jan 2004 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
2,502 sqft · Built 1973 · 0.28 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Nov 2012 | $12,0892025 | Amount on Record Feb 2012 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
2,289 sqft · Built 1997 · 0.2 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $410,000Jul 2018 | $6,6552025 | Amount on Record Apr 2012 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
5,253 sqft · Built 1988 · 1 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $18,6042025 | —Mar 2004 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
8,511 sqft · Built 1969 · 3.43 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,500,000Aug 2013 | $32,2352025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
9,070 sqft · Built 2004 · 2.66 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,600,000Mar 2004 | $64,1142025 | Amount on Record Apr 1998 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
10,184 sqft · Built 1993 · 3.53 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —May 2023 | $98,0522025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4,055 sqft · Built 1976 · 0.98 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $505,000Apr 1996 | $23,1792025 | —May 2005 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
7,260 sqft · Built 1981 · 4.63 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $49,8722025 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
0.519 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $260,000Oct 2023 | $4,0562025 | Amount on Record Dec 2003 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
3,461 sqft · Built 1980 · 0.71 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jan 1996 | $13,8202025 | —Dec 1996 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
3,254 sqft · Built 1970 · 1.08 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $685,000Apr 2013 | $18,0962025 | Amount on Record Mar 1994 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |