Cook County property records for 29 addresses on Keystone Ave, Northbrook, IL · Last verified August 2026
| Properties | 29 |
|---|---|
| Median Sale Price | $470,000 |
| Deeds and Mortgages on File | 23 |
| Median Price per Sqft | $288 |
| Owner Occupied | 79% |
| Median Annual Tax Bill | $9,794 |
| Median Year Built | 1955 |
| Median Ownership Tenure | 18 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
3 bd · 5 ba · 3,844 sqft · 0.355 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $985,000Mar 2018 | $22,3802022 | —May 2015 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Apr 2024 |
3 bd · 1.5 ba · 1,121 sqft · 0.219 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $303,000Apr 2008 | $8,6982023 | —Aug 2006 | 1 Name on Record | AssessorUpdated Jun 2026 |
3 bd · 1 ba · 1,143 sqft · 0.299 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $399,000Jul 2024 | $9,5952023 | Sale Amount Sep 2011 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 1 ba · 1,152 sqft · 0.16 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $470,000Apr 2026 | $7,9242023 | Sale Amount Sep 2017 | 2 Names on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,471 sqft · 0.244 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $400,000Nov 2017 | $9,5232023 | Sale Amount Jul 2009 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
4 bd · 2.5 ba · 2,741 sqft · 0.182 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $810,000Mar 2018 | $19,0272023 | Sale Amount Mar 2017 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jun 2026 |
3 bd · 2 ba · 1,477 sqft · 0.188 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $370,000May 2018 | $9,7942023 | Sale Amount Jul 2008 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
4 bd · 4.5 ba · 3,289 sqft · 0.236 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jun 1987 | $20,2402023 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 1 ba · 1,152 sqft · 0.179 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $199,500Sep 1999 | $7,3182023 | Sale Amount Nov 1997 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 1 ba · 1,242 sqft · 0.257 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Dec 2001 | $10,5112023 | —Dec 2001 | 1 Name on Record | Assessor + 1 DocumentUpdated Jun 2026 |
4 bd · 2.5 ba · 1,466 sqft · 0.317 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $245,000Sep 1998 | $11,7492023 | —Aug 1994 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 1 ba · 1,152 sqft · 0.251 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $157,000Oct 1991 | $9,8312023 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
4 bd · 3.5 ba · 3,506 sqft · 0.228 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $175,000Dec 2011 | $21,0722023 | Sale Amount Aug 2004 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
4 bd · 2 ba · 2,897 sqft · 0.233 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —May 1994 | $14,7772023 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 1 ba · 1,143 sqft · 0.203 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $390,000Jun 2015 | $9,0272023 | Sale Amount Apr 1997 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 2.5 ba · 1,694 sqft · 0.175 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $442,000Aug 2017 | $9,2152023 | —Nov 2009 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
4 bd · 2.5 ba · 3,184 sqft · 0.204 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $920,000Oct 2015 | $20,0322023 | Sale Amount Aug 1998 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
3 bd · 3 ba · 1,900 sqft · 0.207 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $302,000May 1997 | $9,9072023 | —Aug 2013 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 1.5 ba · 1,139 sqft · 0.21 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $280,000Jun 2013 | $9,0992023 | Sale Amount Dec 2009 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 1.5 ba · 1,428 sqft · 0.172 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $463,000Jan 2002 | $9,6912023 | Sale Amount Apr 1998 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 1.5 ba · 1,137 sqft · 0.206 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $240,000Jun 2002 | $8,1352023 | Sale Amount Aug 1999 | 1 Name on Record | AssessorUpdated Jun 2026 |
4 bd · 2 ba · 2,100 sqft · 0.172 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $12,2652023 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 1 ba · 1,137 sqft · 0.172 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $290,000Dec 2003 | $8,0302023 | —Dec 2003 | 1 Name on Record | Assessor + 1 DocumentUpdated Jun 2026 |
3 bd · 1.5 ba · 1,395 sqft · 0.172 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $409,000Dec 2008 | $10,0052023 | —Jun 2003 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 2 ba · 1,300 sqft · 0.172 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $472,500Dec 2002 | $7,9772023 | —Jul 1996 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
3 bd · 1 ba · 1,121 sqft · 0.172 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $420,000Feb 2005 | $9,5232023 | Sale Amount Nov 1997 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 1 ba · 1,121 sqft · 0.206 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $190,000Feb 1998 | $8,8812023 | —Feb 1998 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
4 bd · 3.5 ba · 3,113 sqft · 0.232 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $155,000Jun 2012 | $21,2092023 | Sale Amount Dec 1997 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
0.109 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Owner Occupied | AssessorUpdated Apr 2024 |