Cook County property records for 12 addresses on Blackthorn Rd, Winnetka, IL · Last verified October 2026
| Properties | 12 |
|---|---|
| Median Sale Price | $4,175,000 |
| Deeds and Mortgages on File | 21 |
| Median Price per Sqft | $558 |
| Owner Occupied | 100% |
| Median Annual Tax Bill | $54,363 |
| Median Year Built | 1927 |
| Median Ownership Tenure | 7 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
6 bd · 3.5 ba · 4,788 sqft · built 1924 · 0.436 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,569,000Jun 2016 | $37,5772023 | Amount on Record Aug 2000 | Owner on Record Owner Occupied | AssessorUpdated Oct 2026 |
5 bd · 3.5 ba · 4,158 sqft · built 1922 · 0.619 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $758,500Mar 1990 | $34,3582023 | Owner on Record Owner Occupied | AssessorUpdated Jun 2026 |
5 bd · 7 ba · 7,477 sqft · built 2021 · 0.655 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,175,000Apr 2019 | $86,4342023 | Amount on Record Jun 2017 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2026 |
6 bd · 4.5 ba · 4,545 sqft · built 1916 · 0.434 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,590,000Aug 2017 | $30,1792023 | Amount on Record Sep 2011 | Owner on Record Owner Occupied | Assessor + 4 DocumentsUpdated Oct 2026 |
7 bd · 5 ba · 6,203 sqft · built 1910 · 1.34 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,000,000Jul 2024 | $59,7132023 | Amount on Record Jul 2002 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2026 |
3 bd · 3 ba · 2,944 sqft · built 1928 · 0.436 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,300,000Oct 2018 | $20,5042023 | Amount on Record Jul 2007 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Sep 2026 |
5 bd · 3.5 ba · 3,139 sqft · built 1911 · 0.548 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,718,000Aug 2019 | $28,0792023 | Amount on Record Dec 2009 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2026 |
7 bd · 7 ba · 8,113 sqft · built 2022 · 0.765 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,795,000Mar 2021 | $101,5382023 | Amount on Record Mar 2019 | Owner on Record Owner Occupied | Assessor + 4 DocumentsUpdated Oct 2026 |
5 bd · 8.5 ba · 5,622 sqft · built 2012 · 0.467 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,157,000Jul 2025 | $63,8732023 | Amount on Record Oct 2018 | 2 Owners on Record Owner Occupied | Assessor + 4 DocumentsUpdated Oct 2026 |
5 bd · 5.5 ba · 6,485 sqft · built 1927 · 0.728 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,016,666Oct 1993 | $54,3632023 | Owner on Record Owner Occupied | AssessorUpdated Jun 2026 |
7 bd · 4.5 ba · 5,754 sqft · built 1920 · 1.22 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,000,000Jan 2021 | $57,8032023 | —Sep 1997 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
5 bd · 2.5 ba · 4,558 sqft · built 1937 · 0.653 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,650,000Aug 2002 | $38,1702023 | Amount on Record Jan 1999 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2026 |