Suffolk County and Islip Town property record for 41 Union Ave, Islip, NY 11751 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.35 acres (15,246 sqft) |
| Owner | Individual Name on File |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 370.-4-30.1 |
| Primary APN | 472889 370.-4-30.1 |
|---|---|
| Alternative APNs |
|
| Lot Area | 15,246 sqft (0.35 acres) |
|---|---|
| Lot Width | 66 ft Width |
| Account Number | 042301 |
|---|---|
| Street Address | 41 UNION AVE |
| City | ISLIP |
| State | NY |
| Zip | 11751-3919 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T059H00000000H |
| Legal Block | 0004 |
| Legal Lot Number | 400 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 147402 |
Source: Suffolk County and Islip Town records · APN 472889 370.-4-30.1
Assessment roll updated July 8, 2026 · Last verified July 2026
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| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 41 UNION AVE, ISLIP, NY 11751-3919 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Feb 17, 1995 |
| Transfer Doc | 1171000399 |
| Record Updated | Sep 20, 2026 |
Source: Suffolk County and Islip Town records · Assessment roll updated July 8, 2026 · Last verified July 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 | $38,500 (-) Land $10,000 Building $28,500 | |
| 2024 | $542,253 (+2.53%) Land $140,845 Building $401,408 | |
| 2023 | $38,500 Land $10,000 Building $28,500 | $528,847 Land $137,363 Building $391,484 |
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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