Greenwich Town property records for 59 addresses on Mason St, Greenwich, CT · Last verified August 2026
| Properties | 108 |
|---|---|
| Median Sale Price | $1,600,000 |
| Deeds and Mortgages on File | 100 |
| Median Price per Sqft | $818 |
| Owner Occupied | 17% |
| Median Annual Tax Bill | $7,786 |
| Median Year Built | 1940 |
| Median Ownership Tenure | 14 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
3 units · Built 2022 · 930 sq ft
| Last Sale | Median Tax Bill | Median Sale | ||
|---|---|---|---|---|
| $3,9082025 |
2 bd · 2 ba · 1,468 sqft · built 2022
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $19,5172025 | Owner on Record | AssessorUpdated Jul 2026 |
3 bd · 3 ba · 1,474 sqft · built 2023
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $28,8692025 | Owner on Record | AssessorUpdated Jul 2026 |
3 bd · 3 ba · 1,555 sqft · built 2022
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $29,2612025 | Owner on Record | AssessorUpdated Jul 2026 |
23,994 sqft · built 1954 · 1.45 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $13,500,000Jul 2025 | $237,6912024 | Owner on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
39,921 sqft · built 1966 · 0.81 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $215,4652025 | Owner on Record | AssessorUpdated Jul 2026 |
0.7 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,000,000Jul 2025 | $52,4652025 | Owner on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
2,973 sqft · built 1895 · 0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,000,000Jun 2019 | $26,3382025 | Amount on Record May 2019 | Owner on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
5,954 sqft · built 1910 · 0.219 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,000,000May 2017 | $16,7212025 | 2 Owners on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
4,663 sqft · built 1930 · 0.219 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $975,000Apr 1999 | $43,5182025 | Amount on Record Aug 1998 | Owner on Record | AssessorUpdated Jul 2026 |
1,926 sqft · built 1970 · 0.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $20,2902025 | Owner on Record | AssessorUpdated Jul 2026 |
3,255 sqft · built 1910 · 0.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $495,000Jan 1986 | Owner on Record | AssessorUpdated Jul 2026 |
6,676 sqft · built 1980 · 0.36 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $50,6912024 | 2 Owners on Record | AssessorUpdated Jul 2026 |
5,552 sqft · built 1899 · 0.239 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $95,000Apr 1988 | $19,1052025 | Owner on Record | Assessor + 1 DocumentUpdated Jul 2026 |
3,775 sqft · built 1950 · 0.4 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,200,000May 1998 | Owner on Record | Assessor + 1 DocumentUpdated Jul 2026 |
4,743 sqft · built 1880 · 0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,900,000Sep 2012 | $39,4822025 | Amount on Record Sep 2000 | 2 Owners on Record | Assessor + 1 DocumentUpdated Jul 2026 |
3,810 sqft · built 1907 · 0.219 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $825,000Nov 1998 | $23,2492025 | Owner on Record | AssessorUpdated Jul 2026 |
3 bd · 3 ba · 3,988 sqft · built 1909 · 0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,2812024 | Owner on Record | AssessorUpdated Jul 2026 |
6,392 sqft · built 1909 · 0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,000,000Jan 1996 | $49,3482025 | Owner on Record | AssessorUpdated Jul 2026 |
0.169 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $850,000Sep 2012 | $12,7882024 | Owner on Record | AssessorUpdated Jul 2026 |
7,036 sqft · built 1960 · 0.469 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $56,7192025 | 2 Owners on Record | AssessorUpdated Jul 2026 |
2,490 sqft · built 1930 · 0.089 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $12,3462025 | Owner on Record | Assessor + 5 DocumentsUpdated Jul 2026 |
2,160 sqft · built 1940 · 0.06 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,280,000Feb 2006 | $13,6042025 | Owner on Record | AssessorUpdated Jul 2026 |
6 bd · 9 ba · 4,558 sqft · built 2017 · 0.28 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,400,000Mar 2010 | $49,7452025 | Owner on Record | AssessorUpdated Aug 2026 |
3,541 sqft · built 1877 · 0.26 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,600,000Sep 2003 | $14,2562025 | Amount on Record Oct 2000 | 2 Owners on Record | Assessor + 1 DocumentUpdated Jul 2026 |
3 units · Built 1868 · 1,620 sq ft
| Last Sale | Median Tax Bill | Median Sale | ||
|---|---|---|---|---|
| $2,800,000Nov 2024 | $17,4762025 | —3 units |
3,279 sqft · built 1891 · 0.26 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,181,094Apr 2025 | $19,2642025 | Amount on Record Mar 1997 | Owner on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
6 units · Built 1880 · 634 sq ft
| Last Sale | Median Tax Bill | Median Sale | ||
|---|---|---|---|---|
| $1,600,000Dec 2023 | $4,9182025 | $1,600,0006 units |
4 units · Built 1986 · 1,725 sq ft
| Last Sale | Median Tax Bill | Median Sale | ||
|---|---|---|---|---|
| $20,3742025 |
10,011 sqft · built 1985 · 0.4 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $50,7352025 | 2 Owners on Record | AssessorUpdated Jul 2026 |
4 units · Built 1989 · 1,032 sq ft
| Last Sale | Median Tax Bill | Median Sale | ||
|---|---|---|---|---|
| $600,000Aug 2003 | $21,8342025 | —4 units |
3,608 sqft · built 1980 · 0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $434,205Jul 2003 | $26,4152024 | Amount on Record May 1995 | Owner on Record | Assessor + 1 DocumentUpdated Jul 2026 |
3,681 sqft · built 1980 · 0.36 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $28,3882024 | Owner on Record | AssessorUpdated Jul 2026 |
0.6 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record | AssessorUpdated Jul 2026 |
45,423 sqft · built 1974 · 0.63 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $28,333,332Dec 2012 | $232,7782025 | Amount on Record Aug 1993 | 2 Owners on Record | AssessorUpdated Jul 2026 |
3,757 sqft · built 1890 · 0.319 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $29,1102025 | Owner on Record | AssessorUpdated Jul 2026 |
0.11 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,0162025 | Owner on Record | Assessor + 1 DocumentUpdated Jul 2026 |
26,658 sqft · built 1984 · 0.68 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $9,900,000Feb 2003 | $148,5432024 | Owner on Record | AssessorUpdated Jul 2026 |
9,160 sqft · built 1910 · 0.33 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jul 2015 | $60,4862025 | 2 Owners on Record | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 3 ba · 2,416 sqft · built 1920 · 0.11 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,250,000Jan 2014 | $11,4942025 | Amount on Record Apr 2005 | Owner on Record | Assessor + 1 DocumentUpdated Jul 2026 |
35 units · Built 1940 · 370 sq ft
| Last Sale | Median Tax Bill | Median Sale | ||
|---|---|---|---|---|
| $760,000Mar 2026 | $3,4502025 | $540,00035 units |
22,304 sqft · built 1964 · 0.669 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,146,500May 2019 | $113,9632025 | Owner on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
2,996 sqft · built 1910 · 0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,750,000Jan 2020 | $22,5362025 | Amount on Record Feb 1999 | Owner on Record | Assessor + 1 DocumentUpdated Jul 2026 |
6,110 sqft · built 1910 · 0.31 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $52,5452025 | Owner on Record | AssessorUpdated Jul 2026 |
0.06 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,558,645Aug 2001 | $5,7202025 | 2 Owners on Record | AssessorUpdated Jul 2026 |
14,964 sqft · built 1910 · 0.339 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,228,718Aug 2001 | $38,3442025 | 2 Owners on Record | AssessorUpdated Jul 2026 |
5,727 sqft · built 1900 · 0.119 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $19,3012025 | Owner on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
4,971 sqft · built 1910 · 0.13 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,2492025 | Owner on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
7,472 sqft · built 1924 · 0.33 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,410,000Oct 2023 | $23,7372025 | Owner on Record | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 3.5 ba · 2,719 sqft · built 1924 · 0.16 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,7862025 | Owner on Record | Assessor + 1 DocumentUpdated Jul 2026 |
7,050 sqft · built 1910 · 0.13 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $850,000May 2002 | $13,7862025 | Amount on Record Oct 1997 | Owner on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 2 ba · 2,905 sqft · built 1924 · 0.13 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $700,000Aug 2020 | $9,8432025 | Amount on Record Jul 2007 | Owner on Record | AssessorUpdated Jul 2026 |
7,781 sqft · built 1910 · 0.119 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,250,000Dec 2024 | $18,0972025 | Amount on Record Aug 2022 | Owner on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
4,290 sqft · built 1925 · 0.26 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,6352024 | Owner on Record | AssessorUpdated Jul 2026 |
2,112 sqft · built 1917 · 0.069 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $16,590,000Oct 2023 | $13,1382025 | Amount on Record Jul 2004 | Owner on Record | Assessor + 1 DocumentUpdated Jul 2026 |
3,617 sqft · built 1930 · 0.239 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $30,7852025 | Owner on Record | Assessor + 1 DocumentUpdated Jul 2026 |
0.1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $16,590,000Oct 2023 | $5,4542025 | Owner on Record | Assessor + 1 DocumentUpdated Jul 2026 |
0.1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $16,590,000Oct 2023 | $5,2502025 | Owner on Record | Assessor + 1 DocumentUpdated Jul 2026 |
0.089 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $16,590,000Oct 2023 | $4,9942025 | Owner on Record | Assessor + 1 DocumentUpdated Jul 2026 |