Suffolk County and Islip Town property records for 3 addresses on Adelphi St, Islip, NY · Last verified August 2026
| Properties | 3 |
|---|---|
| Latest Sale | $675,000 (Jul 2025) |
| Deeds and Mortgages on File | 5 |
| Average Living Area | 2,025 sq ft |
| Owner Occupied | 33% |
| Average Year Built | 1956 |
| Average Ownership Tenure | 3 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
1,603 sqft · Built 1956 · 0.36 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $435,000Jun 2021 | Amount on Record Jul 1995 | 1 Name on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $675,000Jul 2025 | 2 Names on Record | Assessor + 1 DocumentUpdated Aug 2026 |
2,448 sqft · Built 1956 · 0.45 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach of burnable land |