St. Clair County property records for 26 addresses on Knollhaven Trl, O Fallon, IL · Last verified October 2026
| Properties | 26 |
|---|---|
| Median Sale Price | $449,000 |
| Deeds and Mortgages on File | 40 |
| Median Price per Sqft | $208 |
| Owner Occupied | 96% |
| Median Annual Tax Bill | $11,188 |
| Median Year Built | 2006 |
| Median Ownership Tenure | 7 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 ba · 2,124 sqft · built 2011 · 0.38 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $505,000Jun 2026 | $11,4942025 | Amount on Record Jul 2017 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Sep 2026 |
4 ba · 1,834 sqft · built 2006 · 0.369 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $317,000Mar 2006 | $10,7432025 | 2 Owners on Record Owner Occupied | AssessorUpdated Sep 2026 |
5 ba · 1,456 sqft · built 2010 · 0.469 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $503,000Apr 2026 | Amount on Record Jun 2016 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Sep 2026 |
5 ba · 2,336 sqft · built 2004 · 0.45 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $254,000Dec 2011 | $12,8702025 | —Oct 2011 | 2 Owners on Record Owner Occupied | AssessorUpdated Sep 2026 |
4 ba · 2,348 sqft · built 2006 · 0.489 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $340,000Aug 2006 | —Sep 2011 | 2 Owners on Record Owner Occupied | AssessorUpdated Sep 2026 |
4 ba · 2,090 sqft · built 2006 · 0.339 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $275,000Sep 2020 | $10,2192025 | Amount on Record Sep 2006 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Sep 2026 |
4 ba · 2,232 sqft · built 2005 · 0.369 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $620,000May 2026 | $13,7792025 | Amount on Record Mar 2022 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Sep 2026 |
3 ba · 1,680 sqft · built 2013 · 0.35 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $267,500Aug 2013 | $8,4352025 | Amount on Record Jul 2009 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2026 |
4 ba · 2,024 sqft · built 2013 · 0.36 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $300,000May 2014 | $10,0952025 | Amount on Record Jul 2009 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2026 |
4 ba · 2,170 sqft · built 2005 · 0.36 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $254,000Apr 2012 | $11,7432025 | Amount on Record Oct 2005 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2026 |
4 ba · 2,304 sqft · built 2006 · 0.38 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $340,500Dec 2006 | $12,2252025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2026 |
4 ba · 2,048 sqft · built 2006 · 0.369 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $400,000Dec 2022 | $10,8902025 | Amount on Record May 2011 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2026 |
4 ba · 1,656 sqft · built 2006 · 0.45 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $331,500Aug 2006 | $11,3332025 | 2 Owners on Record Owner Occupied | AssessorUpdated Sep 2026 |
4 ba · 2,640 sqft · built 2006 · 0.469 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $331,500Feb 2006 | 2 Owners on Record Owner Occupied | AssessorUpdated Sep 2026 |
4 ba · 2,424 sqft · built 2003 · 0.45 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $372,500Nov 2019 | $10,8672025 | Amount on Record Nov 2016 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Sep 2026 |
5 ba · 2,304 sqft · built 2003 · 0.439 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $360,000Jun 2017 | $12,2052025 | Amount on Record Dec 2003 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Sep 2026 |
5 ba · 1,876 sqft · built 2002 · 0.45 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $500,000Jul 2026 | $11,4032025 | Amount on Record Sep 2021 | Owner on Record Owner Occupied | Assessor + 5 DocumentsUpdated Sep 2026 |
5 ba · 2,304 sqft · built 2003 · 0.36 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $480,000Jun 2023 | Amount on Record Feb 2019 | 2 Owners on Record Owner Occupied | Assessor + 5 DocumentsUpdated Sep 2026 |
5 ba · 2,336 sqft · built 2006 · 0.369 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $449,000Jul 2023 | $13,0002025 | Amount on Record Nov 2018 | 2 Owners on Record Owner Occupied | Assessor + 4 DocumentsUpdated Sep 2026 |
5 ba · 1,876 sqft · built 2004 · 0.419 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $312,000Mar 2005 | $10,5232025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2026 |
4 ba · 2,460 sqft · built 2003 · 0.35 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $341,500Jul 2024 | —Mar 2003 | 2 Owners on Record Owner Occupied | AssessorUpdated Sep 2026 |
4 ba · 1,656 sqft · built 2006 · 0.36 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $327,500Mar 2021 | $9,4702025 | Amount on Record Sep 2005 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2026 |
5 ba · 1,876 sqft · built 2003 · 0.389 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $303,500Jun 2003 | $11,1822025 | 2 Owners on Record | Assessor + 1 DocumentUpdated Oct 2026 |
4 ba · 2,336 sqft · built 2004 · 0.38 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $541,000Apr 2026 | Amount on Record Jun 2024 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Sep 2026 |
5 ba · 2,048 sqft · built 2003 · 0.489 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $295,000Nov 2008 | $11,5962025 | Amount on Record Apr 2008 | Owner on Record Owner Occupied | AssessorUpdated Sep 2026 |
5 ba · 2,304 sqft · built 2003 · 0.5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $425,000May 2021 | $13,6722025 | Amount on Record Mar 2003 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2026 |