Suffolk County and Islip Town property records for 14 addresses on Bay 1st St, Islip, NY · Last verified August 2026
| Properties | 14 |
|---|---|
| Median Sale Price | $450,000 |
| Deeds and Mortgages on File | 5 |
| Average Living Area | 1,314 sq ft |
| Owner Occupied | 93% |
| Average Year Built | 1954 |
| Median Ownership Tenure | 18 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
0.33 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $480,600Oct 2004 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record | AssessorUpdated Aug 2026 |
0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1,200 sqft · built 1955 · 0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $700,000Oct 2004 | Amount on Record Mar 1998 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1,428 sqft · built 1954 · 0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $450,000Jan 2021 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $601,000Aug 2012 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $374,500Dec 2011 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $404,000Aug 2008 | $13,5012024 | Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $390,000Mar 2001 | $15,6732024 | Amount on Record Jul 1996 | Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $176,000Jul 1995 | Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |