Suffolk County and Islip Town property records for 18 addresses on North St, West Islip, NY · Last verified October 2026
| Properties | 18 |
|---|---|
| Median Sale Price | $567,000 |
| Deeds and Mortgages on File | 23 |
| Median Price per Sqft | $375 |
| Owner Occupied | 83% |
| Median Annual Tax Bill | $11,054 |
| Median Year Built | 1940 |
| Median Ownership Tenure | 12 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
874 sqft · built 1954 · 0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jan 1999 | $9,2252024 | —Jan 1999 | 2 Owners on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
0.35 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.389 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1,702 sqft · built 1937 · 0.169 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $645,000Mar 2022 | Amount on Record Mar 2003 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2026 |
0.36 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $354,500Feb 1997 | $10,0962024 | Amount on Record Nov 1996 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.26 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jul 1998 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $118,000Jan 1996 | $12,1212024 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record Owner Occupied | AssessorUpdated Oct 2026 |
1,813 sqft · built 1953 · 0.269 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $680,000Nov 2023 | Amount on Record May 2021 | Owner on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Nov 2002 | $9,1962024 | Amount on Record Aug 2000 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
2,013 sqft · built 1920 · 0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $567,000Jan 2018 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
1,026 sqft · built 1925 · 0.269 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $580,000Dec 2021 | $11,0542024 | Amount on Record May 2019 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
0.269 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $375,000Dec 2014 | Amount on Record Apr 2009 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $51,500Aug 1999 | Amount on Record May 1994 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
1,153 sqft · built 1940 · 0.16 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $430,000Feb 2022 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $550,000Apr 2026 | Amount on Record Sep 2025 | 2 Owners on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
1,200 sqft · built 1974 · 0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $417,500Nov 2005 | $11,0542024 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
1,915 sqft · built 1920 · 0.21 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $245,000Aug 2014 | $11,9252024 | Amount on Record Sep 2009 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |