St. Clair County property records for 8 addresses on Fortress Dr, O Fallon, IL · Last verified September 2026
| Properties | 8 |
|---|---|
| Median Sale Price | $605,000 |
| Deeds and Mortgages on File | 13 |
| Median Price per Sqft | $356 |
| Owner Occupied | 63% |
| Median Annual Tax Bill | $19,429 |
| Median Year Built | 2005 |
| Median Ownership Tenure | 8 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
0.419 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $82,000Jan 2025 | $2,1152025 | —May 2013 | 2 Owners on Record | AssessorUpdated Sep 2026 |
0.219 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $82,000Jan 2025 | $1,0332025 | —Aug 2019 | 2 Owners on Record | AssessorUpdated Sep 2026 |
4 ba · 1,520 sqft · built 2004 · 0.91 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $625,000Jun 2020 | $25,2102025 | Amount on Record May 2015 | 2 Owners on Record Owner Occupied | Assessor + 5 DocumentsUpdated Sep 2026 |
2,880 sqft · built 2017 · 0.8 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $65,000Jun 2016 | $28,6112025 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Sep 2026 |
9 ba · 2,558 sqft · built 2005 · 0.669 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $925,000Jan 2021 | $29,2072025 | Amount on Record Mar 2016 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Sep 2026 |
6 ba · 988 sqft · built 2003 · 0.46 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $605,000Nov 2023 | $21,0052025 | Amount on Record May 2003 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Sep 2026 |
6 ba · 1,754 sqft · built 2006 · 0.41 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $625,000Apr 2013 | $23,7742025 | Amount on Record Jul 2005 | 2 Owners on Record Owner Occupied | AssessorUpdated Sep 2026 |
1.05 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $75,000Jan 2014 | $3,3482025 | —May 2013 | 2 Owners on Record | Assessor + 1 DocumentUpdated Sep 2026 |