Suffolk County and Islip Town property record for 109 Gladstone Ave, West Islip, NY 11795
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.32 acres (13,939 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $12,200 (2024) |
| Deeds & Mortgages | May 2021 Refinance |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 438.-3-15 |
| Primary APN | 472889 438.-3-15 |
|---|---|
| Alternative APNs |
|
| Lot Area | 13,939 sqft (0.32 acres) |
|---|---|
| Lot Dimensions | 175 ft deep x 80 ft wide |
| Account Number | 650420 |
|---|---|
| Street Address | 109 GLADSTONE AVE |
| City | WEST ISLIP |
| State | NY |
| Zip | 11795-3626 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | A |
| Legal Description | X2197707Y176836 T055H00000000 |
| Legal Block | 8000 |
| Legal Lot Number | 300 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 3 |
| Census Block | 3015 |
| Census Tract | 147001 |
109 Gladstone Ave is owned and occupied by two individuals.
Source: Suffolk County and Islip Town records, as of August 11, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 109 GLADSTONE AVE, WEST ISLIP, NY 11795-3626 |
| 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 |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 109 GLADSTONE AVE, WEST ISLIP, NY 11795-3626 |
| Transaction Type | Mortgage |
| Record Updated | Jan 17, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0232770872 |
|---|---|
| Date | May 21, 2021 |
| Book Page | 23277/872 |
| Instrument | DM012029 |
| Name | BETHPAGE FCU |
|---|---|
| Type | Credit Union |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 121 Months |
| Due | Jun 1, 2031 |
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 | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $50,300 Land $10,700 Building $39,600 | $708,450 (-) Land $150,704 Building $557,746 | |
| 2024 | $12,200.00 | $708,450 (+2.54%) Land $150,704 Building $557,746 | |
| 2023 | $50,300 Land $10,700 Building $39,600 | $690,934 Land $146,978 Building $543,956 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 109 Gladstone Ave in Zone X, an area of minimal flood risk, though there have been 31 flood claims nearby since 1978.
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 File median of 31 policies |
| Nearby Flood Policies | 31 in force |
| Nearby Flood Claims | 31 (1978–2014) |
| Claims Outside the SFHA | 23 of 31 |
| 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.
Wildfire risk around 109 Gladstone Ave is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 97.9% 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 464 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
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