Suffolk County, Islip Town and Babylon Town property records for 10 addresses on Tappan Ave, Islip, NY · Last verified August 2026
| Properties | 10 |
|---|---|
| Median Sale Price | $289,000 |
| Deeds and Mortgages on File | 9 |
| Average Living Area | 1,097 sq ft |
| Owner Occupied | 90% |
| Median Annual Tax Bill | $12,810 |
| Average Year Built | 1950 |
| Median Ownership Tenure | 4 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
0.26 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $671,000Mar 2023 | $16,4812024 | Amount on Record Nov 2015 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.319 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $135,000Dec 2014 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
0.319 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $219,990Aug 2001 | $13,2482024 | Amount on Record Nov 1997 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.169 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $12,2432024 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $540,000Dec 2022 | $12,8102024 | Amount on Record Aug 1993 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $289,000Jul 2001 | $12,2752024 | Amount on Record May 1996 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
1 ba · 1,097 sqft · 0.165 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $645,000Oct 2025 | $8,8432024 | Amount on Record Apr 2025 | 1 Name on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
0.269 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $235,401Feb 2025 | Amount on Record Aug 2016 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.23 acres
| 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 |