Suffolk County and Islip Town property records for 53 addresses on Westminster Ln, West Islip, NY · Last verified October 2026
| Properties | 53 |
|---|---|
| Median Sale Price | $585,000 |
| Deeds and Mortgages on File | 50 |
| Median Price per Sqft | $247 |
| Owner Occupied | 89% |
| Median Annual Tax Bill | $12,820 |
| Median Year Built | 1966 |
| Median Ownership Tenure | 19 years |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
0.33 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $305,000Feb 2005 | $8,0992024 | Amount on File Apr 1996 | Owner on File Owner Occupied | AssessorUpdated Aug 2026 |
0.219 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on File Owner Occupied | AssessorUpdated Oct 2026 |
0.239 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on File Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,1782024 | 2 Owners on File Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
2,038 sqft · built 1985 · 0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $314,000Oct 2017 | Amount on File Dec 1998 | 2 Owners on File Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on File Owner Occupied | AssessorUpdated Aug 2026 |
0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on File Owner Occupied | AssessorUpdated Aug 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $472,000May 2005 | $12,8202024 | Amount on File Mar 1996 | Owner on File Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1,862 sqft · built 1985 · 0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $415,000Jan 2020 | $11,9252024 | Amount on File Feb 2007 | 2 Owners on File Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $795,000Aug 2024 | $12,3462024 | Amount on File Jun 2024 | 2 Owners on File Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1,822 sqft · built 1963 · 0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Apr 1997 | $14,0872024 | 2 Owners on File Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
1,862 sqft · built 1985 · 0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on File Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1,822 sqft · built 1964 · 0.169 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $500,000Sep 2017 | $12,9382024 | Amount on File Mar 2017 | 2 Owners on File Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2026 |
0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $182,000Aug 1994 | 2 Owners on File | Assessor + 2 DocumentsUpdated Oct 2026 |
1,822 sqft · built 1963 · 0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $400,000Sep 2020 | Owner on File | Assessor + 1 DocumentUpdated Aug 2026 |
2,771 sqft · built 1985 · 0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $585,000Jan 2021 | Amount on File Oct 1998 | Owner on File Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $225,000Dec 1998 | 2 Owners on File Owner Occupied | AssessorUpdated Aug 2026 |
0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $12,7522024 | 2 Owners on File Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on File Owner Occupied | AssessorUpdated Oct 2026 |
0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $502,500Sep 2016 | $14,7912024 | Amount on File Nov 2001 | 2 Owners on File Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $480,000Jun 2016 | $12,8822024 | Amount on File Sep 2009 | 2 Owners on File Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $159,000Nov 1996 | Owner on File | Assessor + 1 DocumentUpdated Oct 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $140,000Dec 2013 | $12,0612024 | Amount on File Sep 1998 | Owner on File Owner Occupied | AssessorUpdated Aug 2026 |
2,054 sqft · built 1982 · 0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on File Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,4472024 | Owner on File Owner Occupied | AssessorUpdated Aug 2026 |
0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on File Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $170,000Jun 1998 | $12,7972024 | 2 Owners on File Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
0.169 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $465,000Jul 2004 | $13,1632024 | Amount on File Jan 1997 | 2 Owners on File Owner Occupied | AssessorUpdated Aug 2026 |
2,342 sqft · built 1964 · 0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $495,000Apr 2018 | Amount on File Jul 2002 | 2 Owners on File Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.169 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on File Owner Occupied | AssessorUpdated Aug 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $185,500Sep 1998 | Amount on File Sep 1997 | 2 Owners on File Owner Occupied | AssessorUpdated Aug 2026 |
0.169 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $485,000Sep 2007 | $12,0082024 | 2 Owners on File Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $505,000Apr 2017 | $14,6252024 | Amount on File May 2016 | 2 Owners on File Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1,861 sqft · built 1966 · 0.16 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $680,000Sep 2023 | $13,1072024 | Amount on File May 2017 | 2 Owners on File | Assessor + 3 DocumentsUpdated Aug 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $12,0642024 | 2 Owners on File Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $157,000Mar 1995 | Owner on File Owner Occupied | AssessorUpdated Aug 2026 |
0.169 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $140,000May 1996 | 2 Owners on File Owner Occupied | AssessorUpdated Aug 2026 |
0.239 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $720,000Dec 2024 | Owner on File | AssessorUpdated Oct 2026 |
1,602 sqft · built 1971 · 0.169 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $585,000Oct 2021 | $14,1722024 | Amount on File Sep 1998 | 2 Owners on File Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.21 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $14,1512024 | 2 Owners on File Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
0.139 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on File Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1,862 sqft · built 1965 · 0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $450,000Aug 2018 | Amount on File Jan 1997 | Owner on File Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
0.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on File | AssessorUpdated Aug 2026 |
1,862 sqft · built 1966 · 0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on File Owner Occupied | AssessorUpdated Aug 2026 |
0.169 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $235,000Dec 1998 | Owner on File Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $515,000Jun 2007 | 2 Owners on File Owner Occupied | AssessorUpdated Aug 2026 |
0.169 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on File Owner Occupied | AssessorUpdated Oct 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $467,500Oct 2015 | $12,0752024 | Amount on File Oct 2014 | 2 Owners on File Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
1,860 sqft · built 1968 · 0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $460,000Dec 2020 | —Oct 2018 | Owner on File Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2026 |
2,760 sqft · built 1964 · 0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $476,640Jan 2007 | $14,7102024 | 2 Owners on File Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.169 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $422,300Oct 2003 | $15,4942024 | 2 Owners on File Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $425,000Jul 2005 | 2 Owners on File Owner Occupied | AssessorUpdated Oct 2026 |
0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $160,000Aug 1995 | 2 Owners on File Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |