DuPage County property records for 11 addresses on Saint Marks Ct, Oak Brook, IL · Last verified August 2026
| Properties | 11 |
|---|---|
| Median Sale Price | $850,000 |
| Deeds and Mortgages on File | 11 |
| Median Price per Sqft | $215 |
| Owner Occupied | 91% |
| Median Annual Tax Bill | $20,097 |
| Median Year Built | 1985 |
| Median Ownership Tenure | 24 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4,842 sqft · Built 1982 · 0.61 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,260,000Aug 2021 | $18,3382025 | —Aug 2014 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
5,147 sqft · Built 1985 · 0.53 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $21,7072025 | —May 1996 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
3,507 sqft · Built 1984 · 0.539 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,000,000Oct 2002 | $20,0952025 | Sale Amount Nov 1997 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
3,790 sqft · Built 1985 · 0.519 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $923,000May 2012 | $20,0102025 | Sale Amount Nov 2001 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
3,499 sqft · Built 1985 · 0.5 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $755,000Oct 1997 | $16,1502025 | —May 1996 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
4,443 sqft · Built 1986 · 0.53 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $830,000Jun 1997 | $21,5822025 | 2 Names on Record Owner Occupied | Assessor + 5 DocumentsUpdated Aug 2026 |
5,274 sqft · Built 1985 · 0.489 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Feb 1996 | $21,1832025 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
4,250 sqft · Built 1985 · 0.51 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $20,0972025 | —Feb 2011 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.6 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $9,2452025 | 2 Names on Record | AssessorUpdated Aug 2026 |
4,423 sqft · Built 1986 · 0.56 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $850,000Dec 2000 | $21,6332025 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
3,912 sqft · Built 1982 · 0.51 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $665,000Oct 2002 | $20,4192025 | Sale Amount Oct 2000 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |