Greenwich Town property records for 3 units in 523 E Putnam Ave, Cos Cob, CT · Last verified October 2026
| Properties | 3 |
|---|---|
| Median Sale Price | $2,550,000 |
| Deeds and Mortgages on File | 5 |
| Median Price per Sqft | $784 |
| Owner Occupied | 100% |
| Median Annual Tax Bill | $18,422 |
| Median Year Built | 2009 |
| Median Ownership Tenure | 4 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
2 bd · 3.5 ba · 2,566 sqft · built 2009 · 0.83 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,711,720Sep 2021 | $14,8112025 | Amount on Record Apr 2018 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 3.5 ba · 3,251 sqft · built 2009 · 0.829 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,550,000Sep 2025 | $18,4222025 | Amount on Record Jan 2020 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2026 |
3 bd · 3.5 ba · 3,632 sqft · built 2009 · 0.829 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,550,000Dec 2022 | $23,7582025 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |