Suffolk County and Islip Town property records for 19 addresses on Rossmore Ave, Central Islip, NY · Last verified August 2026
| Properties | 19 |
|---|---|
| Median Sale Price | $480,000 |
| Deeds and Mortgages on File | 23 |
| Median Price per Sqft | $223 |
| Owner Occupied | 53% |
| Median Annual Tax Bill | $9,255 |
| Median Year Built | 1970 |
| Median Ownership Tenure | 8 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
3.05 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record | Assessor + 3 DocumentsUpdated Aug 2026 |
0.5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,627,900Aug 2025 | 1 Name on Record | Assessor + 3 DocumentsUpdated Aug 2026 |
0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,4192022 | 2 Names on Record | Assessor + 1 DocumentUpdated Aug 2026 |
941 sqft · built 1902 · 0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $450,000Mar 2024 | 2 Names on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
0.139 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $140,000Mar 2016 | Amount on Record Nov 1998 | 1 Name on Record | AssessorUpdated Aug 2026 |
0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $110,000May 2023 | Amount on Record Dec 2007 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
1,571 sqft · built 1974 · 0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $270,000Oct 2018 | $9,2552024 | Amount on Record Nov 2001 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1,521 sqft · built 1950 · 0.319 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $159,000Oct 2010 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4,057 sqft · built 1948 · 0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $45,000Dec 2011 | Amount on Record — | 1 Name on Record | AssessorUpdated Aug 2026 |
1,924 sqft · built 2000 · 0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $383,500Jul 2020 | $7,2552022 | Amount on Record Jul 2019 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated May 2026 |
0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $90,000Nov 1994 | $10,2002024 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
2,150 sqft · built 1970 · 0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $480,000Jun 2022 | $9,2002024 | Amount on Record Mar 2014 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Nov 2011 | $9,4362024 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $185,000Aug 2002 | $10,4362024 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.169 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $9,9472024 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.339 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $283,500Aug 2004 | Amount on Record Jan 2003 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $585,000Mar 2024 | $6,3702024 | Amount on Record Feb 2001 | 2 Names on Record | Assessor + 1 DocumentUpdated Aug 2026 |
0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $90,000Oct 2000 | $8,5982024 | Amount on Record — | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $550,000May 2024 | $9,6462024 | 1 Name on Record | AssessorUpdated 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 |