Suffolk County and Islip Town property record for 248 Grant Ave, Islip, NY 11751 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Lot Size | 1.11 acres (48,787 sqft) |
| Owner | Individual Name on File |
| Last Sale | $250,000 (Dec 2003) |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 344.-1-24.4 |
| Primary APN | 472889 344.-1-24.4 |
|---|---|
| Alternative APNs |
|
| Lot Area | 48,787 sqft |
|---|---|
| Lot Width | 72 ft Width |
| Account Number | 035375 |
|---|---|
| Street Address | 248 GRANT AVE |
| City | ISLIP |
| State | NY |
| Zip | 11751-2601 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T044H00000000WL |
| Legal Block | 4000 |
| Legal Lot Number | 100 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 3 |
| Census Block | 3027 |
| Census Tract | 147401 |
Source: Suffolk County and Islip Town records · APN 472889 344.-1-24.4
Assessment roll updated July 8, 2026 · Last verified July 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 | 234 GRANT AVE, ISLIP, NY 11751-2601 |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Dec 05, 2003 · Amount on Record |
| Deed Sale | Dec 05, 2003 · Amount on Record |
| Deed Book / Page | 12288 / 332 |
| 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, not market price estimates; both are a fraction of this property's market value.
| Year | Assessed Value | Assessed Market Value |
|---|---|---|
| 2025 | $37,700 (-) Land $11,600 Building $26,100 | |
| 2024 | $530,986 (+2.54%) Land $163,380 Building $367,606 | |
| 2023 | $37,700 Land $11,600 Building $26,100 | $517,857 Land $159,341 Building $358,516 |
Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 361031474013, 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 10 individual NFIP policies nearby |
| Nearby Flood Policies | 10 in force |
| Nearby Flood Claims | 13 (1978–2014) |
| Claims Outside the SFHA | 12 of 13 |
| Most Recent Claim | Aug 2014, rainfall accumulation |
| 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 329 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 |
May also be available at this address: Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
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