Suffolk County and Islip Town property record for 137 Garretson Ave, Islip, NY 11751
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.23 acres (10,019 sqft) |
| Owner | Individual Name on File |
| Last Sale | $146,000 (Feb 1998) |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 344.-1-47 |
| Primary APN | 472889 344.-1-47 |
|---|---|
| Alternative APNs |
|
| Lot Area | 10,019 sqft (0.23 acres) |
|---|---|
| Lot Dimensions | 100 ft deep x 100 ft wide |
| Account Number | 585920 |
|---|---|
| Street Address | 137 GARRETSON AVE |
| City | ISLIP |
| State | NY |
| Zip | 11751-2922 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | B |
| Legal Description | X2216625Y187069 T044H00000000 |
| Legal Block | 4000 |
| Legal Lot Number | 100 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 3 |
| Census Block | 3022 |
| Census Tract | 147401 |
137 Garretson Ave is owned and occupied by an individual who bought it in February 1998.
Source: Suffolk County and Islip Town records, as of August 11, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 137 GARRETSON AVE, ISLIP, NY 11751-2922 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 2, 1998 · Amount on File |
| Deed Sale | Feb 2, 1998 · Amount on File |
| Prior Sale | Jan 9, 1997 · Amount on File |
| Deed Book / Page | 11876 / 145 |
| Record Updated | Oct 29, 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 | Assessed Value | Assessed Market Value |
|---|---|---|
| 2025 | $36,900 Land $7,800 Building $29,100 | |
| 2024 | $519,718 (+2.54%) Land $109,859 Building $409,859 | |
| 2023 | $36,900 Land $7,800 Building $29,100 | $506,868 Land $107,143 Building $399,725 |
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.
FEMA maps place 137 Garretson Ave in Zone X, an area of minimal flood risk, though there have been 13 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 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.
The area around 137 Garretson 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 326 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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