Suffolk County and Islip Town property record for 270 Grant Ave, Islip, NY 11751
| Property Type | Single Family Home |
|---|---|
| Details | 2,599 sqft · built 1988 |
| Lot Size | 0.7 acres (30,492 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $408,000 (Nov 2019) |
| Tax Bill | $16,323 (2024) |
| Deeds & Mortgages | Aug 2022 Mortgage Nov 2019 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 319.-2-111.1 |
| Primary APN | 472889 319.-2-111.1 |
|---|---|
| Alternative APNs |
|
| Building Area | 2,599 sqft Living Area |
|---|---|
| 1st Floor Area | 1,524 sqft |
| Basement Area | 1,015 sqft |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 1988 |
| Lot Area | 30,492 sqft (0.7 acres) |
| Lot Width | 88 ft Width |
| Account Number | 040321 |
|---|---|
| Street Address | 270 GRANT AVE |
| City | ISLIP |
| State | NY |
| Zip | 11751-2601 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | B |
| Legal Description | T044H00000000WL |
| Legal Block | 9000 |
| Legal Lot Number | 200 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 3 |
| Census Block | 3027 |
| Census Tract | 147401 |
Source: Suffolk County and Islip Town records, as of August 11, 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 Record |
|---|---|
| Mailing Address | 270 GRANT AVE, ISLIP, NY 11751-2601 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Aug 25, 2022 | Deed of Trust, Mortgage · Second Mortgage (Down Payment) SECRETARY HOUSING URBAN DEVELOPMENT |
| Nov 25, 2019 | Deed, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 25, 2019 · Amount on Record |
| Deed Sale | Nov 25, 2019 · Amount on Record |
| Prior Sale | Mar 14, 1997 · Amount on Record |
| Deed Book / Page | 13037 / 448 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 270 GRANT AVE, ISLIP, NY 11751-2601 |
| Transaction Type | Mortgage |
| Record Updated | Dec 5, 2023 |
| Name | Verified Name |
|---|
| Document Number | 0234510595 |
|---|---|
| Date | Aug 25, 2022 |
| Book Page | 23451/595 |
| Name | SECRETARY HOUSING URBAN DEVELOPMENT |
|---|---|
| Type | Government Agency |
| Type | Second Mortgage (Down Payment) |
|---|---|
| Amount | Amount Recorded |
| Term | 313 Months |
| Due | Sep 1, 2048 |
| Document Type | Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Nov 25, 2019 |
| Property Address | 270 GRANT AVE, ISLIP, NY 11751-2601 |
| Document Number | 0130370448 |
| Book / Page | 13037 / 448 |
| Instrument Date | Sep 19, 2019 |
| Transaction Type | Transfer |
| Record Updated | Aug 20, 2021 |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
Source: Suffolk County and Islip Town assessment roll, as of August 11, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Suffolk County |
| County Subdivision | Islip Town |
| Unified School District | Islip Union Free School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $50,000 (-) Land $17,500 Building $32,500 | $704,225 (-) Land $246,479 Building $457,746 | |
| 2024 | $16,323.00 | $704,225 (+2.54%) Land $246,479 Building $457,746 | |
| 2023 | $50,000 Land $17,500 Building $32,500 | $686,814 Land $240,385 Building $446,429 |
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.
Source: FEMA National Flood Hazard Layer, effective September 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 10 policies |
| 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 |
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 97% of the US · lower than 96% of New York |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | SUFFOLK COUNTY WATER AUTHORITY serves 1,100,000 people · EPA ID NY5110526 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jan 2024 |
| Lead | 1 ppb (2025–2027) action level 15 ppb |
| Water Quality | Asbestos resolved · Jul 2020 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 329 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
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