Suffolk County and Southampton Town property records for 56 addresses on Cobb Rd, Water Mill, NY · Last verified August 2026
| Properties | 56 |
|---|---|
| Median Sale Price | $6,100,000 |
| Deeds and Mortgages on File | 70 |
| Median Price per Sqft | $2,086 |
| Owner Occupied | 7% |
| Median Annual Tax Bill | $15,815 |
| Median Year Built | 2005 |
| Median Ownership Tenure | 11 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
3 bd · 2 ba · 2,102 sqft · built 1987 · 0.919 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $15,2292024 | 2 Owners on Record | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 4 ba · 10,052 sqft · built 1994 · 2.4 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,311,527Jan 2006 | Amount on Record Feb 2003 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 6 ba · 9,714 sqft · built 2008 · 1.05 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record | AssessorUpdated Aug 2026 |
5 bd · 6 ba · 7,220 sqft · built 2012 · 0.95 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,832,500Jun 2017 | Amount on Record Dec 1998 | 2 Owners on Record | Assessor + 1 DocumentUpdated Aug 2026 |
6.21 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $9,2912022 | Owner on Record | AssessorUpdated Aug 2026 |
10 bd · 15,971 sqft · built 2014 · 2.4 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $56,500,000Jan 2022 | $68,0452022 | Amount on Record Oct 2002 | Owner on Record | Assessor + 3 DocumentsUpdated Aug 2026 |
16 bd · 6.5 ba · 16,646 sqft · built 2007 · 9.1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $60,000,000Jan 2022 | $49,3822022 | Owner on Record | Assessor + 1 DocumentUpdated Aug 2026 |
5 bd · 5 ba · 6,621 sqft · built 2004 · 1.78 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,100,000Feb 2005 | —Jan 2005 | 2 Owners on Record | Assessor + 1 DocumentUpdated Aug 2026 |
7 bd · 2 ba · 6,389 sqft · built 2017 · 1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,400,000Oct 2017 | $31,0942024 | Amount on Record May 2014 | 2 Owners on Record | Assessor + 6 DocumentsUpdated Aug 2026 |
4 bd · 2 ba · 4,022 sqft · built 2011 · 1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,500,000Oct 2021 | $13,9722024 | Amount on Record Jan 2013 | Owner on Record | Assessor + 4 DocumentsUpdated Aug 2026 |
4 bd · 2 ba · 2,301 sqft · built 2010 · 0.469 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,755,000Feb 2021 | $12,9022024 | Amount on Record Aug 2017 | Owner on Record | Assessor + 3 DocumentsUpdated Aug 2026 |
3 bd · 2 ba · 1,811 sqft · built 1994 · 0.819 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,900,000Jan 2026 | —Jan 2012 | Owner on Record | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 2,606 sqft · built 1991 · 1.05 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $655,000Mar 1998 | Owner on Record | AssessorUpdated Aug 2026 |
6 bd · 2 ba · 6,011 sqft · built 2012 · 1.3 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,050,000Mar 2007 | —Feb 2007 | Owner on Record | AssessorUpdated Aug 2026 |
4 bd · 2 ba · 7,663 sqft · built 1997 · 0.919 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $975,000May 2000 | $12,2472024 | 2 Owners on Record | AssessorUpdated Aug 2026 |
7 bd · 7,350 sqft · built 2009 · 0.9 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,750,000Oct 2006 | Owner on Record | AssessorUpdated Aug 2026 |
7 bd · 2 ba · 5,202 sqft · built 2025 · 0.53 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,100,000Feb 2023 | Amount on Record Nov 2016 | 2 Owners on Record | Assessor + 1 DocumentUpdated Aug 2026 |
5 bd · 2 ba · 3,444 sqft · built 1996 · 0.919 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $40,000Jul 2015 | $16,0242024 | Amount on Record Oct 1999 | Owner on Record | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 2 ba · 2,872 sqft · built 1991 · 0.95 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record | AssessorUpdated Aug 2026 |
7 bd · 12,441 sqft · built 2016 · 2.13 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,225,000Jun 2012 | Owner on Record | AssessorUpdated Aug 2026 |
5 bd · 4 ba · 3,369 sqft · built 2001 · 1.08 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,500,000May 2012 | 2 Owners on Record | AssessorUpdated Jul 2026 |
3 bd · 5 ba · 3,750 sqft · built 2000 · 0.55 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 2 ba · 2,666 sqft · built 2006 · 0.78 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record | AssessorUpdated May 2026 |
4 bd · 4 ba · 2,943 sqft · built 2003 · 1.41 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record | AssessorUpdated Jul 2026 |
720 sqft · 0.13 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record | Assessor + 3 DocumentsUpdated Aug 2026 |
2 bd · 3 ba · 2,032 sqft · built 1999 · 2.7 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jan 2013 | Owner on Record | AssessorUpdated May 2026 |
9 bd · 6 ba · 33,098 sqft · built 2009 · 4.68 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $75,4182024 | 2 Owners on Record | Assessor + 3 DocumentsUpdated Aug 2026 |
2 bd · 2 ba · 1,818 sqft · built 2009 · 0.219 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $20,000,000Oct 2006 | —Oct 2006 | 2 Owners on Record | Assessor + 3 DocumentsUpdated Aug 2026 |
3 bd · 4 ba · 4,029 sqft · built 2012 · 1.43 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,000,000Sep 2007 | $15,8152024 | —Sep 2007 | 2 Owners on Record | Assessor + 1 DocumentUpdated Aug 2026 |
5 bd · 6 ba · 10,849 sqft · built 2005 · 1.88 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,100,000Jun 2000 | Owner on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
0.319 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 4 ba · 2,923 sqft · built 2005 · 1.43 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,100,000Mar 2026 | Owner on Record | Assessor + 1 DocumentUpdated Aug 2026 |
0.639 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,000,000May 2017 | Owner on Record | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2 ba · 2,410 sqft · built 2000 · 0.93 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,000,000May 2017 | Owner on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
5 bd · 2 ba · 2,028 sqft · built 1992 · 0.83 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
8 bd · 6 ba · 10,675 sqft · built 2007 · 4.96 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $13,000,000Nov 2015 | Owner on Record | AssessorUpdated Aug 2026 |
5 bd · 4 ba · 4,122 sqft · built 2010 · 0.689 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,960,000Sep 2002 | $15,0932024 | Amount on Record Jan 1994 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 4 ba · 2,956 sqft · built 2013 · 0.919 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,000,000Nov 2015 | Owner on Record | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 2 ba · 2,054 sqft · built 2004 · 1.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,500,000May 2017 | Amount on Record — | Owner on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
0.68 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,000,000May 2017 | Owner on Record | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 3 ba · 4,495 sqft · built 2012 · 0.85 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,100,000Jun 2022 | $17,4882024 | Amount on Record Jul 2004 | 2 Owners on Record | Assessor + 1 DocumentUpdated Aug 2026 |
8 bd · 6 ba · 5,922 sqft · built 1991 · 2.21 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,185,714Aug 2010 | $18,8172024 | Amount on Record Mar 2010 | Owner on Record | AssessorUpdated Aug 2026 |
3 bd · 3 ba · 2,005 sqft · built 1994 · 0.869 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $500,000Nov 2023 | 2 Owners on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
3 bd · 3 ba · 2,283 sqft · built 2000 · 0.639 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $568,000Sep 1996 | Owner on Record | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 4 ba · 5,540 sqft · built 2001 · 2.75 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $14,000,000Nov 2023 | 2 Owners on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
8 bd · 8,162 sqft · built 2015 · 1.35 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record | Assessor + 3 DocumentsUpdated Aug 2026 |
7 bd · 2 ba · 6,644 sqft · built 2022 · 0.83 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,700,000May 2018 | Amount on Record Sep 2014 | Owner on Record | Assessor + 1 DocumentUpdated Aug 2026 |
2 bd · 4.5 ba · 8,159 sqft · built 2023 · 1.46 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $24,250,000Mar 2019 | Owner on Record | Assessor + 3 DocumentsUpdated Aug 2026 |
8 bd · 3 ba · 8,855 sqft · built 2018 · 2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,725,000Mar 2015 | Amount on Record Sep 2006 | Owner on Record | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 2 ba · 3,662 sqft · built 1987 · 0.43 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,550,000Oct 2014 | $10,5152024 | Amount on Record Oct 2007 | 2 Owners on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 4 ba · 5,748 sqft · built 2007 · 1.68 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $560,000Nov 1996 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
4 bd · 3 ba · 3,568 sqft · built 2004 · 1.75 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $560,000May 1996 | Owner on Record | AssessorUpdated Aug 2026 |
6 bd · 10 ba · 7,882 sqft · built 2004 · 2.7 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,500,000Nov 2010 | Owner on Record | AssessorUpdated Aug 2026 |
5 bd · 2 ba · 3,127 sqft · built 1991 · 0.8 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $675,000Jul 2012 | Owner on Record | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 3 ba · 3,213 sqft · built 1990 · 1.4 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1.48 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $375,000Dec 2002 | Amount on Record Jun 1998 | Owner on Record | AssessorUpdated Aug 2026 |