Suffolk County and Islip Town property record for 535 Islip Ave, Islip, NY 11751
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.14 acres (6,098 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $110,000 (Sep 1993) |
| Tax Bill | $11,323 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 272.-1-18 |
| Primary APN | 472889 272.-1-18 |
|---|---|
| Alternative APNs |
|
| Lot Area | 6,098 sqft (0.14 acres) |
|---|---|
| Lot Dimensions | 125 ft deep x 50 ft wide |
| Account Number | 561230 |
|---|---|
| Street Address | 535 ISLIP AVE |
| City | ISLIP |
| State | NY |
| Zip | 11751-1502 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | A |
| Legal Description | X2219191Y192800 T045H00000000 |
| Legal Subdivision | MAP COLUMBUS PARK #2 |
| Legal Block | 2000 |
| Legal Lot Number | 100 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 146206 |
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 | 535 ISLIP AVE, ISLIP, NY 11751-1502 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 13, 1993 · Amount on Record |
| Deed Sale | Sep 13, 1993 · Amount on Record |
| Deed Book / Page | 11643 / 757 |
| Record Updated | Sep 20, 2026 |
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 | $34,200 (-) Land $5,500 Building $28,700 | $481,690 (-) Land $77,465 Building $404,225 | |
| 2024 | $11,323.00 | $481,690 (+2.54%) Land $77,465 Building $404,225 | |
| 2023 | $34,200 Land $5,500 Building $28,700 | $469,780 Land $75,549 Building $394,231 |
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 |
| Nearby Flood Policies | 4 in force |
| Nearby Flood Claims | 9 (1979–2014) |
| Claims Outside the SFHA | 2 of 9 |
| Most Recent Claim | Aug 2014 · rainfall accumulation |
| Claims by Event |
|
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 | Not rated no burnable land within 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 209 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber | 2,300 / 2,300 |
May also be available: T-Mobile.
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