Suffolk County and Islip Town property record for 26 Deforest Ave, West Islip, NY 11795
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.28 acres (12,197 sqft) |
| Owner | 2 Individual Names on File |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 472.-2-21 |
| Primary APN | 472889 472.-2-21 |
|---|---|
| Alternative APNs |
|
| Lot Area | 12,197 sqft (0.28 acres) |
|---|---|
| Lot Width | 75 ft Width |
| Account Number | 023778 |
|---|---|
| Street Address | 26 DEFOREST AVE |
| City | WEST ISLIP |
| State | NY |
| Zip | 11795-4512 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | B |
| Legal Description | X2189591Y172006 T052H00000000 |
| Legal Block | 2000 |
| Legal Lot Number | 200 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 146902 |
26 Deforest Ave is owned and occupied by two individuals who acquired it in November 1993.
Source: Suffolk County and Islip Town records, as of August 11, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 26 DEFOREST AVE, WEST ISLIP, NY 11795-4512 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Nov 8, 1993 |
| Transfer Doc | 1166000432 |
| 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 | West Islip Union Free School District (PK - 12) |
| Year | Assessed Value | Assessed Market Value |
|---|---|---|
| 2025 | $51,200 Land $14,500 Building $36,700 | |
| 2024 | $721,126 (+2.54%) Land $204,225 Building $516,901 | |
| 2023 | $51,200 Land $14,500 Building $36,700 | $703,297 Land $199,176 Building $504,121 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 26 Deforest Ave in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 273 policies |
| Nearby Flood Policies | 273 in force |
| Nearby Flood Claims | 592 (1978–2025) |
| Claims Outside the SFHA | 119 of 592 |
| Most Recent Claim | Oct 2025 · tidal / storm surge |
| 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.
The area around 26 Deforest Ave has no burnable land within ember reach, so its wildfire risk is not rated.
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 355 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures