Suffolk County and Islip Town property record for 276 Union Ave, Islip, NY 11751 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.25 acres (10,890 sqft) |
| Owner | Individual Name on File |
| Deeds & Mortgages | Mar 2026 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 422.-3-26.1 |
| Primary APN | 472889 422.-3-26.1 |
|---|---|
| Alternative APNs |
|
| Lot Area | 10,890 sqft (0.25 acres) |
|---|---|
| Lot Width | 90 ft Width |
| Street Address | 276 UNION AVE |
|---|---|
| City | ISLIP |
| State | NY |
| Zip | 11751-4712 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T059H00000000 |
| Legal Block | 2000 |
| Legal Lot Number | 300 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 147402 |
Source: Suffolk County and Islip Town records · APN 472889 422.-3-26.1
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 | 276 UNION AVE, ISLIP, NY 11751-4712 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Individual(s) |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Executor's Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Mar 12, 2026 |
| Property Address | 276 UNION AVE, ISLIP, NY 11751-4712 |
| Document Number | 0133290128 |
| Book / Page | 13329 / 128 |
| Instrument Date | Dec 06, 2025 |
| Transaction Type | Transfer |
| Record Updated | Apr 15, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 276 UNION AVE, ISLIP, NY 11751-4712 |
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 | $57,000 (-) Land $10,800 Building $46,200 | |
| 2024 | $802,817 (+2.54%) Land $152,113 Building $650,704 | |
| 2023 | $57,000 Land $10,800 Building $46,200 | $782,967 Land $148,352 Building $634,615 |
Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 361031474022, 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 127 individual NFIP policies nearby |
| Nearby Flood Policies | 127 in force |
| Nearby Flood Claims | 187 (1978–2023) |
| Claims Outside the SFHA | 79 of 187 |
| Most Recent Claim | Jul 2023, rainfall accumulation |
| Claims By Storm |
|
| 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.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 215 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Optimum Communications | Fiber | 8,000 / 8,000 |
| Verizon | Fiber | 2,300 / 2,300 |
| Optimum Communications | Cable | 940 / 35 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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