Suffolk County and Islip Town property records for 30 addresses on Curtin Ave, West Islip, NY · Last verified October 2026
| Properties | 30 |
|---|---|
| Median Sale Price | $580,000 |
| Deeds and Mortgages on File | 36 |
| Median Price per Sqft | $310 |
| Owner Occupied | 93% |
| Median Annual Tax Bill | $10,885 |
| Median Year Built | 1955 |
| Median Ownership Tenure | 11 years |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
0.339 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $380,000Jan 2011 | Owner on File Owner Occupied | AssessorUpdated Oct 2026 |
0.239 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $397,000Mar 2009 | Amount on File Jun 2005 | 2 Owners on File Owner Occupied | AssessorUpdated Aug 2026 |
0.269 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on File Owner Occupied | AssessorUpdated Oct 2026 |
1,846 sqft · built 1955 · 0.269 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $580,000Feb 2021 | Amount on File Oct 2005 | 2 Owners on File Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
0.28 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $450,000Mar 2007 | $10,9412024 | Owner on File Owner Occupied | AssessorUpdated Aug 2026 |
0.269 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $517,000Aug 2006 | $14,9352024 | 2 Owners on File Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.269 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $750,000May 2025 | Owner on File | Assessor + 3 DocumentsUpdated Aug 2026 |
0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $270,000Jul 2015 | $9,9852024 | 2 Owners on File Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
0.269 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,8852024 | 2 Owners on File Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
0.26 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on File Owner Occupied | AssessorUpdated Aug 2026 |
0.269 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on File Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.26 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on File Owner Occupied | AssessorUpdated Aug 2026 |
0.35 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $635,000Jan 2023 | $10,6862024 | Amount on File Jul 1999 | Owner on File Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.36 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on File Owner Occupied | AssessorUpdated Aug 2026 |
0.269 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $403,000Sep 2016 | $10,9412024 | 2 Owners on File Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
0.38 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $420,000Aug 2010 | $12,0382024 | Amount on File May 1996 | Owner on File Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1,383 sqft · built 1955 · 0.26 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $270,000Jun 2010 | $10,0132024 | Amount on File Mar 2006 | 2 Owners on File Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on File Owner Occupied | AssessorUpdated Aug 2026 |
1,881 sqft · built 1955 · 0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $505,000Feb 2020 | $13,3882024 | Amount on File Jul 2019 | 2 Owners on File Owner Occupied | Assessor + 3 DocumentsUpdated Sep 2026 |
0.26 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $540,000Nov 2022 | Amount on File Feb 2005 | 2 Owners on File Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,8862024 | 2 Owners on File Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
0.26 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $335,000Jul 2015 | $13,7922024 | 2 Owners on File Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1,984 sqft · built 1955 · 0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on File Owner Occupied | AssessorUpdated Aug 2026 |
0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $795,000Jan 2025 | Amount on File Dec 2023 | Owner on File | Assessor + 1 DocumentUpdated Aug 2026 |
1,383 sqft · built 1955 · 0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $430,000Sep 2019 | $9,8722024 | Owner on File Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.31 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on File Owner Occupied | AssessorUpdated Aug 2026 |
0.319 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on File Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2026 |
0.33 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on File Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on File Owner Occupied | AssessorUpdated Oct 2026 |
0.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $339,900May 2004 | $9,5892024 | Amount on File Mar 2000 | 2 Owners on File Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |