Suffolk County and Southampton Town property records for 16 addresses on Westminster Rd, Water Mill, NY · Last verified October 2026
| Properties | 16 |
|---|---|
| Median Sale Price | $3,750,000 |
| Deeds and Mortgages on File | 19 |
| Median Price per Sqft | $1,066 |
| Owner Occupied | 13% |
| Median Annual Tax Bill | $11,454 |
| Median Year Built | 1998 |
| Median Ownership Tenure | 12 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 3 ba · 1,688 sqft · built 1991 · 0.41 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record | AssessorUpdated Oct 2026 |
4 bd · 4 ba · 3,553 sqft · built 1991 · 0.669 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record | AssessorUpdated Oct 2026 |
6 bd · 3 ba · 6,769 sqft · built 2007 · 0.96 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,200,000Jul 2017 | Amount on Record Nov 2005 | Owner on Record | Assessor + 1 DocumentUpdated Aug 2026 |
6 bd · 6 ba · 4,594 sqft · built 2004 · 0.95 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,900,000Aug 2014 | Amount on Record Dec 2005 | Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
3 bd · 3 ba · 2,400 sqft · built 1994 · 0.439 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $595,000Mar 1998 | Amount on Record Jan 1998 | Owner on Record | AssessorUpdated Aug 2026 |
4 bd · 2 ba · 4,393 sqft · built 1992 · 0.55 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,085,714Jul 2009 | Amount on Record Jun 2009 | 2 Owners on Record | AssessorUpdated Sep 2026 |
5 bd · 2 ba · 2,478 sqft · built 1998 · 0.3 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $525,000Dec 1996 | $7,5482024 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 2 ba · 1,350 sqft · built 1991 · 0.539 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $975,000Oct 2019 | Amount on Record Dec 2009 | 2 Owners on Record | Assessor + 5 DocumentsUpdated Sep 2026 |
3 bd · 3.5 ba · 3,195 sqft · built 1997 · 0.53 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $580,000Oct 1996 | $12,2082024 | 2 Owners on Record | AssessorUpdated Aug 2026 |
5 bd · 2 ba · 5,080 sqft · built 2017 · 0.569 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Oct 2018 | $15,8482024 | Amount on Record Jul 2003 | Owner on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
6 bd · 2 ba · 3,915 sqft · built 2021 · 0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,750,000Jul 2019 | Amount on Record May 2018 | 2 Owners on Record | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 2 ba · 2,573 sqft · built 1998 · 0.66 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,865,000Jul 2017 | $11,4542024 | Owner on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
5 bd · 2 ba · 3,494 sqft · built 2017 · 0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,375,000Oct 2015 | Amount on Record Oct 2013 | Owner on Record | AssessorUpdated Aug 2026 |
0.36 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $450,000Mar 1999 | 2 Owners on Record | AssessorUpdated Aug 2026 |
0.5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record | AssessorUpdated Oct 2026 |
4 bd · 4 ba · 3,455 sqft · built 1991 · 0.669 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $870,000Dec 1997 | $10,4332024 | Owner on Record | Assessor + 7 DocumentsUpdated Sep 2026 |