DuPage County property records for 8 addresses on Duchess Ct, Downers Grove, IL · Last verified August 2026
| Properties | 8 |
|---|---|
| Median Sale Price | $442,500 |
| Deeds and Mortgages on File | 8 |
| Median Price per Sqft | $157 |
| Owner Occupied | 100% |
| Median Annual Tax Bill | $11,482 |
| Median Year Built | 1969 |
| Median Ownership Tenure | 25 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3636 Duchess Ct |
2,432 sqft built 1968 · 0.21 acres | $285,000 Jul 1996 | $11,586 2025 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3648 Duchess Ct |
2,244 sqft built 1969 · 0.21 acres | $460,000 May 2017 | $12,052 2025 | Assessor + 3 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3649 Duchess Ct |
2,164 sqft built 1967 · 0.21 acres | $10,620 2025 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3660 Duchess Ct |
1,850 sqft built 1969 · 0.244 acres | — Nov 1996 | $9,893 2025 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3661 Duchess Ct |
4 bd · 3 ba · 1,846 sqft built 1970 · 0.19 acres | $461,500 May 2014 | $11,475 2025 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3672 Duchess Ct |
2,244 sqft built 1969 · 0.2 acres | $11,482 2025 | Assessor + 2 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3673 Duchess Ct |
2,805 sqft built 1969 · 0.201 acres | $442,500 Aug 2001 | $13,046 2025 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3685 Duchess Ct |
2,436 sqft built 1967 · 0.229 acres | $262,000 Sep 1995 | $10,183 2025 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |