Cook County property records for 49 addresses on Keystone Rd, Northbrook, IL · Last verified August 2026
| Properties | 49 |
|---|---|
| Median Sale Price | $950,000 |
| Deeds and Mortgages on File | 76 |
| Median Price per Sqft | $323 |
| Owner Occupied | 90% |
| Median Annual Tax Bill | $18,908 |
| Median Year Built | 1990 |
| Median Ownership Tenure | 9 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 3.5 ba · 3,708 sqft · 0.257 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $400,000Jul 2003 | $19,4922023 | Sale Amount Dec 1998 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
4 bd · 2.5 ba · 2,483 sqft · 0.257 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $538,000Jun 2021 | $11,1092023 | Sale Amount Sep 2018 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
5 bd · 2.5 ba · 3,367 sqft · 0.688 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $717,500Oct 2017 | $18,8202023 | —Oct 2009 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
4 bd · 2.5 ba · 2,670 sqft · 0.257 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $592,500Mar 2016 | $10,9242023 | Sale Amount Aug 2010 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
4 bd · 2.5 ba · 2,616 sqft · 0.413 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $860,000Apr 2025 | $12,5962023 | Sale Amount Jul 2022 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jun 2026 |
6 bd · 6.5 ba · 7,089 sqft · 0.688 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,471,500May 2009 | $31,1202023 | Sale Amount Aug 2004 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
5 bd · 3.5 ba · 3,036 sqft · 0.413 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $456,000Jul 2001 | $14,1552023 | —Mar 2004 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
4 bd · 2.5 ba · 1,773 sqft · 0.688 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $700,000May 2022 | $12,8312023 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
4 bd · 3.5 ba · 3,850 sqft · 0.688 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,000,000Jun 2025 | $21,8522023 | Sale Amount Nov 2010 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
5 bd · 4.5 ba · 4,109 sqft · 0.413 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,000,000Oct 2015 | $22,0292023 | Sale Amount Dec 2003 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
5 bd · 5.5 ba · 5,196 sqft · 0.413 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,350,000Sep 2003 | $23,7862023 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
3 bd · 1.5 ba · 1,671 sqft · 0.413 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,0282023 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
5 bd · 4.5 ba · 5,743 sqft · 0.413 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,100,000Oct 2009 | $27,4402023 | —May 2009 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 4 ba · 4,426 sqft · 0.413 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $229,000Nov 1996 | $23,3022023 | Sale Amount Oct 1993 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 4.5 ba · 3,701 sqft · 0.413 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,161,500Mar 2015 | $21,0212023 | Sale Amount Nov 2013 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,546 sqft · 0.413 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Feb 1996 | $7,7032023 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
4 bd · 3 ba · 4,594 sqft · 0.413 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,000,000Oct 2003 | $21,7592023 | Sale Amount Jul 1999 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
5 bd · 4 ba · 5,549 sqft · 0.413 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $848,000Nov 2018 | $25,6902023 | —Jan 2018 | 1 Name on Record Owner Occupied | Assessor + 5 DocumentsUpdated Jun 2026 |
5 bd · 5 ba · 4,839 sqft · 0.413 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,360,000Aug 2003 | $22,8392023 | Sale Amount May 2003 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
4 bd · 2.5 ba · 2,922 sqft · 0.413 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $12,6012023 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
4 bd · 2.5 ba · 1,391 sqft · 0.596 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $450,000Apr 2022 | $12,8312023 | Sale Amount Jul 2019 | 1 Name on Record | Assessor + 3 DocumentsUpdated Jun 2026 |
4 bd · 2.5 ba · 2,826 sqft · 0.413 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $940,000Sep 2025 | $13,9952023 | Sale Amount Oct 2020 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
5 bd · 2.5 ba · 3,726 sqft · 0.413 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $800,000Feb 2020 | $16,5612023 | Sale Amount May 2019 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
4 bd · 1.5 ba · 1,857 sqft · 0.691 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $460,000Jan 2021 | $10,5422023 | Sale Amount Apr 2014 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 2,899 sqft · 0.619 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $620,000Feb 2020 | $13,6872023 | Sale Amount Apr 2001 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
4 bd · 4.5 ba · 4,484 sqft · 0.619 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $785,000Jul 1997 | $24,2662023 | Sale Amount Jul 1996 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 1.5 ba · 1,100 sqft · 0.413 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $318,500Jul 2012 | $8,3972023 | Sale Amount Jul 1998 | 1 Name on Record | Assessor + 1 DocumentUpdated Jun 2026 |
4 bd · 3.5 ba · 2,581 sqft · 0.413 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $712,500Aug 2018 | $14,4622023 | Sale Amount Jan 2018 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jun 2026 |
4 bd · 4.5 ba · 5,132 sqft · 0.413 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,930,000Oct 2025 | $23,1932023 | —Oct 2011 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 3.5 ba · 1,810 sqft · 0.413 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $640,000Jul 2017 | $12,5222023 | Sale Amount Jun 1999 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
5 bd · 4 ba · 4,338 sqft · 0.413 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $802,000Jun 2011 | $21,2592023 | Sale Amount Apr 2002 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
4 bd · 1.5 ba · 2,698 sqft · 0.413 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $460,000Jul 2016 | $13,0622023 | Sale Amount Oct 1998 | 1 Name on Record | AssessorUpdated Jun 2026 |
4 bd · 4.5 ba · 5,750 sqft · 0.413 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,375,000Jun 2026 | $30,1352023 | Sale Amount May 2016 | 2 Names on Record Owner Occupied | Assessor + 6 DocumentsUpdated Jun 2026 |
4 bd · 5 ba · 4,813 sqft · 0.888 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,525,000Jun 2018 | $24,4562023 | Sale Amount Mar 2001 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
3 bd · 1.5 ba · 1,200 sqft · 0.505 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,7042023 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
6 bd · 5.5 ba · 4,194 sqft · 1.08 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,300,000Apr 2024 | $31,0622023 | Sale Amount Dec 2000 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jun 2026 |
5 bd · 4 ba · 4,827 sqft · 0.409 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,230,000May 2021 | $24,6472023 | Sale Amount Apr 2005 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
5 bd · 4.5 ba · 6,356 sqft · 0.957 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $760,000Jun 2007 | $33,9482023 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
4 bd · 3.5 ba · 4,027 sqft · 0.409 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Nov 2003 | $20,5752023 | Sale Amount Nov 2003 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
5 bd · 4 ba · 3,780 sqft · 0.586 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $925,000Oct 2019 | $23,2522023 | Sale Amount Oct 2015 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
5 bd · 2.5 ba · 5,195 sqft · 0.407 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,245,000Feb 2024 | $21,1522023 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
4 bd · 4 ba · 4,950 sqft · 0.586 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,245,000Nov 2002 | $25,6652023 | Sale Amount Sep 1998 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 3.5 ba · 4,787 sqft · 0.407 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jan 2022 | $26,8792023 | Sale Amount Oct 2003 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 2.5 ba · 2,210 sqft · 0.312 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,4662023 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 2.5 ba · 3,172 sqft · 0.264 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $950,000Apr 2022 | $14,3882023 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
4 bd · 2.5 ba · 1,956 sqft · 0.312 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $493,000Apr 2016 | $10,6562023 | Sale Amount Sep 2012 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
4 bd · 4.5 ba · 4,175 sqft · 0.275 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $950,000May 2025 | $18,9082023 | Sale Amount Oct 2015 | 2 Names on Record | Assessor + 2 DocumentsUpdated Jun 2026 |
3 bd · 2 ba · 2,380 sqft · 0.237 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $183,333Sep 1993 | $9,4962023 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
4 bd · 2.5 ba · 3,056 sqft · 0.278 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $530,000Oct 2008 | $13,7902023 | Sale Amount Dec 2006 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |