Cook County property records for 5 addresses on W Sullivan Ct, Mount Prospect, IL · Last verified August 2026
| Properties | 5 |
|---|---|
| Median Sale Price | $352,000 |
| Deeds and Mortgages on File | 5 |
| Median Price per Sqft | $213 |
| Owner Occupied | 100% |
| Median Annual Tax Bill | $9,388 |
| Median Year Built | 1975 |
| Median Ownership Tenure | 21 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 2 ba · 1,985 sqft · 0.169 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jan 2026 | $7,4482023 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
3 bd · 2 ba · 1,368 sqft · 0.202 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $352,000Oct 2021 | $9,6402023 | —Oct 2021 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 2.5 ba · 2,351 sqft · 0.219 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $237,000May 1993 | $9,5932023 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
4 bd · 2.5 ba · 2,408 sqft · 0.247 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $514,500Jul 2005 | $9,3882023 | Amount on Record Jan 1994 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
3 bd · 1 ba · 1,382 sqft · 0.156 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $250,000Apr 1997 | $8,5162023 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |