Suffolk County and Boston City property records for 3 addresses on Winthrop Sq, Boston, MA · Last verified October 2026
| Properties | 3 |
|---|---|
| Latest Sale | $75,000,000 (Mar 2020) |
| Deeds and Mortgages on File | 1 |
| Average Living Area | 78,593 sq ft |
| Median Annual Tax Bill | $274,424 |
| Median Year Built | 1899 |
| Average Ownership Tenure | 9 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1 Winthrop Sq |
93,740 sqft built 1899 · 0.465 acres | $75,000,000 Mar 2020 | $1,805,853 2025 | Assessor Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
10 Winthrop Sq |
30,550 sqft built 1899 · 0.102 acres | $6,250,000 Jan 2014 | $183,701 2025 | Assessor + 1 Document Updated Sep 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
20 Winthrop Sq |
111,490 sqft built 1899 · 0.16 acres | $274,424 2025 | Assessor Updated Apr 2026 | Owner on File |