Suffolk County and Islip Town property records for 19 addresses on Oak Ave, West Islip, NY · Last verified August 2026
| Properties | 19 |
|---|---|
| Median Sale Price | $430,000 |
| Deeds and Mortgages on File | 15 |
| Median Price per Sqft | $218 |
| Owner Occupied | 89% |
| Median Annual Tax Bill | $9,871 |
| Median Year Built | 1965 |
| Median Ownership Tenure | 14 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $560,000Oct 2023 | Amount on Record May 1994 | 2 Owners on Record | Assessor + 1 DocumentUpdated Aug 2026 |
0.139 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $385,000Jan 2012 | Amount on Record Jun 2011 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
1,967 sqft · built 1965 · 0.13 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $430,000Jun 2019 | Amount on Record Jul 2007 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
0.51 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,8112024 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
2,046 sqft · built 1938 · 0.16 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.219 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $302,500Jan 1997 | Amount on Record Jan 1997 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated May 2026 |
1,820 sqft · built 1938 · 0.11 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record Owner Occupied | AssessorUpdated May 2026 |
0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $377,000Oct 2009 | $9,8712024 | Amount on Record Oct 2000 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1,814 sqft · built 1967 · 0.139 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $366,000Dec 2017 | Amount on Record May 1994 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $12,3322024 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.169 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $255,000Aug 2006 | $9,7602024 | Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.13 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $565,000Aug 2022 | $8,9262024 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1,897 sqft · built 1945 · 0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $529,000Jul 2021 | $12,6812024 | 2 Owners on Record | Assessor + 1 DocumentUpdated Aug 2026 |
0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1,713 sqft · built 1974 · 0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.26 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $317,000Aug 2004 | $9,1682024 | —Apr 1996 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
0.08 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $175,000Feb 2003 | $6,2162024 | Amount on Record Oct 1999 | Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |