Suffolk County and Islip Town property record for 91 Islip Ave, Islip, NY 11751 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Lot Size | 6,534 sqft (0.15 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $435,000 (2006) |
Source: Suffolk County and Islip Town records · APN 472889 345.-2-21
Assessment roll updated August 11, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 91 ISLIP AVE, ISLIP, NY 11751-3613 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Nov 02, 2006 · Amount on Record |
| Deed Sale | Nov 02, 2006 · Amount on Record |
| Prior Sale | Oct 01, 2002 · Amount on Record |
| Deed Book / Page | 12476 / 960 |
| Prior Transfer Date | Jun 28, 1998 |
| Prior Transfer Doc | 1190000061 |
| Record Refreshed | Sep 20, 2026 |
Source: Suffolk County and Islip Town records · Assessment roll updated August 11, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | New York |
| County | Suffolk County |
| County Subdivision | Islip Town |
| Unified School District | Islip Union Free School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
| Year | Assessed Value | Assessed Market Value |
|---|---|---|
| 2025 | $38,800 (-) Land $6,400 Building $32,400 | |
| 2024 | $546,479 (+2.54%) Land $90,141 Building $456,338 | |
| 2023 | $38,800 Land $6,400 Building $32,400 | $532,967 Land $87,912 Building $445,055 |
Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not exposed less than 1% of the US · less than 1% of New York |
|---|---|
| Wildfire Likelihood | Less than 1 in 10,000 per year |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; lenders make the official flood determination.
| Primary APN | 472889 345.-2-21 |
|---|---|
| Alternative APNs |
|
| Lot Area | 6,534 sqft (0.15 acres) |
|---|---|
| Lot Width | 61 ft Width |
| Account Number | 599680 |
|---|---|
| Street Address | 91 ISLIP AVE |
| City | ISLIP |
| State | NY |
| Zip | 11751-3613 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | X2219476Y185963 T058H00000000 |
| Legal Block | 5000 |
| Legal Lot Number | 200 |
| Jurisdiction | SUFFOLK NY |
| Minor Civil Division | ISLIP |
| Census Blockgroup | 2 |
| Census Block | 2008 |
| Census Tract | 147401 |
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