Suffolk County and Islip Town property records for 9 addresses on Sylvan Ct, West Islip, NY · Last verified August 2026
| Properties | 9 |
|---|---|
| Median Sale Price | $325,000 |
| Deeds and Mortgages on File | 9 |
| Average Living Area | 1,893 sq ft |
| Owner Occupied | 100% |
| Average Year Built | 1862 |
| Median Ownership Tenure | 20 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
0.48 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $565,000Jul 2017 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
1,893 sqft · built 1862 · 0.38 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.4 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $195,000Jan 1995 | $15,6082024 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $490,000Sep 2006 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.21 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $380,000Dec 2007 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.28 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $265,000Aug 2001 | $15,2142024 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $197,500Jul 1998 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
0.4 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $325,000Sep 2009 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated May 2026 |