St. Charles County property records for 6 addresses on Research Park Cir, Saint Charles, MO · Last verified August 2026
| Properties | 6 |
|---|---|
| Deeds and Mortgages on File | 3 |
| Average Living Area | 51,882 sq ft |
| Owner Occupied | 50% |
| Median Annual Tax Bill | $73,978 |
| Median Year Built | 1996 |
| Median Ownership Tenure | 14 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18 Research Park Cir |
13,860 sqft built 1995 · 235 acres | — Dec 2025 | $50,762 2025 | Assessor + 2 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
25 Research Park Cir |
129,270 sqft built 1996 · 3.01 acres | $151,211 2022 | Assessor Updated Sep 2023 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
26 Research Park Cir |
41,847 sqft built 2001 · 4.1 acres | — Oct 2012 | $73,978 2025 | Assessor Updated Mar 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
27 Research Park Cir |
14,485 sqft built 1997 · 2.28 acres | — Oct 2012 | $29,179 2025 | Assessor Updated Mar 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28 Research Park Cir |
59,951 sqft built 1994 · 4.48 acres | — Oct 2012 | $95,144 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
100 Research Park Cir |
294 acres | — Dec 2019 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |