Suffolk County and Islip Town property records for 8 addresses on Washington Pl, West Islip, NY · Last verified October 2026
| Properties | 8 |
|---|---|
| Median Sale Price | $346,000 |
| Deeds and Mortgages on File | 5 |
| Average Living Area | 1,830 sq ft |
| Owner Occupied | 88% |
| Median Annual Tax Bill | $12,150 |
| Average Year Built | 1951 |
| Median Ownership Tenure | 17 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
0.139 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $500,000Jun 2016 | $12,2612024 | Amount on Record May 1999 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $120,500Mar 2000 | 2 Owners on Record | AssessorUpdated Oct 2026 |
1,968 sqft · built 1962 · 0.13 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $455,000Dec 2016 | Amount on Record Oct 2006 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $346,000Nov 2009 | $10,4892024 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
0.13 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
1,692 sqft · built 1940 · 0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $90,000Dec 2001 | $12,1502024 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $180,000May 1994 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |