Suffolk County and Islip Town property record for 35 Union Ave, Islip, NY 11751 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.31 acres (13,504 sqft) |
| Owner | 2 Individual Names on File |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 370.-4-30.2 |
| Primary APN | 472889 370.-4-30.2 |
|---|---|
| Alternative APNs |
|
| Lot Area | 13,504 sqft (0.31 acres) |
|---|---|
| Lot Dimensions | 225 ft deep x 60.4 ft wide |
| Account Number | 042302 |
|---|---|
| Street Address | 35 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.-4-30.2
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 35 UNION AVE, ISLIP, NY 11751-3919 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Record Updated | 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 | $44,500 (-) Land $8,900 Building $35,600 | |
| 2024 | $626,760 (+2.54%) Land $125,352 Building $501,408 | |
| 2023 | $44,500 Land $8,900 Building $35,600 | $611,264 Land $122,253 Building $489,011 |
Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 361031474021, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Flood Insurance Cost | Premium on Record median of 40 individual NFIP policies nearby |
| Nearby Flood Policies | 40 in force 38 of 40 on primary residences |
| Nearby Flood Claims | 19 (1980–2023) |
| Claims Outside the SFHA | 18 of 19 |
| Most Recent Claim | Jul 2023, rainfall accumulation |
| Flood Events |
|
| 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; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
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