Suffolk County and Islip Town property record for 491 Islip Ave, Islip, NY 11751 · Last verified August 2026
| Property Type | Vacant Land > Residential |
|---|---|
| Lot Size | 6,098 sqft (0.14 acres) |
| Primary APN | 472889 272.-1-106 |
|---|---|
| Alternative APNs |
|
| Lot Area | 6,098 sqft (0.14 acres) |
|---|---|
| Depth X Width | 125 ft x 50 ft Depth x Width |
| Account Number | 562330 |
|---|---|
| Street Address | ISLIP AVE |
| State | NY |
| Property Usage | Residential Property Usage |
| Type | Vacant Land > Residential |
| Legal Description | X2219332Y191502 N045H00000000 |
| Legal Subdivision | COLONIAL PK #2 |
| Legal Block | 2000 |
| Legal Lot Number | 100 |
| Jurisdiction | SUFFOLK NY |
| Minor Civil Division | ISLIP |
| Census Blockgroup | 2 |
| Census Block | 2013 |
| Census Tract | 146206 |
Source: Suffolk County and Islip Town records · APN 472889 272.-1-106
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 | Company Name on File |
|---|---|
| Mailing Address | 30 CHESTNUT ST, MOUNT SINAI, NY 11766-2325 |
| Owner Type | Owner is a Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | May 22, 2002 |
| Transfer Doc | 1219000998 |
| 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 and are not market price estimates.
| Year | Assessed Value | Assessed Market Value |
|---|---|---|
| 2025 | $5,600 (-) Land $5,600 | |
| 2024 | $78,873 (+2.54%) Land $78,873 | |
| 2023 | $5,600 Land $5,600 | $76,923 Land $76,923 |
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 rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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