Cook County property records for 31 addresses on Blackthorn Ln, Northbrook, IL · Last verified August 2026
| Properties | 31 |
|---|---|
| Median Sale Price | $775,000 |
| Deeds and Mortgages on File | 52 |
| Median Price per Sqft | $291 |
| Owner Occupied | 100% |
| Median Annual Tax Bill | $13,551 |
| Median Year Built | 1955 |
| Median Ownership Tenure | 11 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 2.5 ba · 2,599 sqft · built 1977 · 0.174 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $212,000Jul 1984 | $11,8132023 | Owner on Record Owner Occupied | AssessorUpdated Jun 2026 |
4 bd · 3 ba · 2,838 sqft · built 1948 · 0.174 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $482,000Apr 2018 | $8,9902023 | Amount on Record Mar 2015 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
4 bd · 2.5 ba · 2,260 sqft · built 1955 · 0.185 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $560,000Jul 2018 | $13,6352023 | Amount on Record Apr 2011 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
4 bd · 3.5 ba · 3,030 sqft · built 2008 · 0.174 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $369,000Apr 2002 | $22,3542023 | Amount on Record May 1995 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
4 bd · 3.5 ba · 3,194 sqft · built 2009 · 0.187 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $521,000Apr 2006 | $22,2132023 | Amount on Record Apr 1994 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
3 bd · 2.5 ba · 1,875 sqft · built 1944 · 0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $485,000Feb 2021 | $11,1322023 | Amount on Record Oct 2018 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
4 bd · 2.5 ba · 1,695 sqft · built 1949 · 0.173 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $525,000Oct 2017 | $10,6492023 | Amount on Record Sep 2008 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
5 bd · 2.5 ba · 2,661 sqft · built 1959 · 0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $775,000Sep 2021 | $15,1722023 | Amount on Record Oct 2006 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
3 bd · 2.5 ba · 2,549 sqft · built 2007 · 0.172 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $362,000May 2000 | $17,1382023 | —Mar 2006 | Owner on Record Owner Occupied | AssessorUpdated Jun 2026 |
4 bd · 2.5 ba · 3,615 sqft · built 2006 · 0.196 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $935,000Aug 2010 | $23,2982023 | Amount on Record Jun 2007 | Owner on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 1.5 ba · 2,063 sqft · built 1947 · 0.173 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $400,000Jun 2019 | $11,6242023 | Amount on Record Nov 2005 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
3 bd · 1.5 ba · 1,468 sqft · built 1945 · 0.177 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $9,0612023 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2.5 ba · 2,572 sqft · built 2016 · 0.174 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $573,000Jun 2005 | $22,0122023 | Amount on Record Jun 1994 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
3 bd · 2.5 ba · 1,252 sqft · built 1955 · 0.183 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $515,000Nov 2022 | $8,4592023 | Amount on Record Sep 2019 | Owner on Record Owner Occupied | Assessor + 5 DocumentsUpdated Jun 2026 |
3 bd · 1.5 ba · 2,219 sqft · built 1940 · 0.176 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $609,000Aug 2021 | $11,3512023 | Amount on Record Aug 2010 | Owner on Record Owner Occupied | Assessor + 6 DocumentsUpdated Jun 2026 |
5 bd · 4.5 ba · 3,114 sqft · built 2007 · 0.182 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $825,000Sep 2016 | $20,2132023 | —Feb 2016 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
4 bd · 3.5 ba · 2,487 sqft · built 1954 · 0.177 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $316,500Jul 1997 | $12,7702023 | —Jul 1997 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
4 bd · 4.5 ba · 2,692 sqft · built 1956 · 0.179 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $775,000Apr 2021 | $13,5512023 | Amount on Record Jul 2012 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
4 bd · 2.5 ba · 1,902 sqft · built 1955 · 0.182 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $260,000Jul 1999 | $5,5082023 | Amount on Record Aug 1997 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3.5 ba · 2,562 sqft · built 1952 · 0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $625,000Aug 2006 | $13,4592023 | Amount on Record Sep 2001 | Owner on Record Owner Occupied | AssessorUpdated Jun 2026 |
4 bd · 3.5 ba · 3,273 sqft · built 2010 · 0.185 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $304,000Aug 1999 | $20,8452023 | Amount on Record Jul 1996 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
4 bd · 4 ba · 2,942 sqft · built 2009 · 0.181 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $999,000Aug 2015 | $18,4902023 | Amount on Record Dec 2007 | Owner on Record Owner Occupied | AssessorUpdated Jun 2026 |
4 bd · 4 ba · 2,842 sqft · built 1943 · 0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $370,000Jun 2001 | $15,1062023 | Amount on Record Jul 1996 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
3 bd · 2 ba · 1,627 sqft · built 1940 · 0.181 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $9,3742023 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
4 bd · 4.5 ba · 3,033 sqft · built 2022 · 0.196 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,289,000Jun 2022 | $23,9152023 | Amount on Record Mar 2021 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
4 bd · 3.5 ba · 2,823 sqft · built 2007 · 0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $970,000Jun 2018 | $21,5632023 | Amount on Record Oct 2011 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2.5 ba · 2,192 sqft · built 1943 · 0.202 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,3502023 | —Mar 2019 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
4 bd · 3.5 ba · 2,940 sqft · built 2010 · 0.183 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $885,000Sep 2012 | $20,9712023 | Amount on Record Jun 2001 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
4 bd · 3.5 ba · 2,952 sqft · built 2015 · 0.206 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,215,000Apr 2019 | $25,9722023 | Amount on Record Jan 2017 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
5 bd · 2 ba · 2,535 sqft · built 1947 · 0.213 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $13,5312023 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 1.5 ba · 1,516 sqft · built 1941 · 0.229 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jan 2015 | $12,7932023 | Owner on Record Owner Occupied | AssessorUpdated Jun 2026 |