Suffolk County and Islip Town property record for 155 Union Ave, Islip, NY 11751
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.16 acres (6,970 sqft) |
| Owner | 2 Individual Names on Record |
| Deeds & Mortgages | Jun 2021 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 396.-5-16 |
| Primary APN | 472889 396.-5-16 |
|---|---|
| Alternative APNs |
|
| Lot Area | 6,970 sqft (0.16 acres) |
|---|---|
| Lot Width | 50 ft Width |
| Account Number | 038735 |
|---|---|
| Street Address | 155 UNION AVE |
| City | ISLIP |
| State | NY |
| Zip | 11751-4314 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | B |
| Legal Description | X2218393Y182563 T059H00000000 |
| Legal Block | 6000 |
| Legal Lot Number | 500 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 1 |
| Census Block | 1014 |
| Census Tract | 147402 |
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 | 155 UNION AVE, ISLIP, NY 11751-4314 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 155 UNION AVE, ISLIP, NY 11751-4314 |
| Transaction Type | Mortgage |
| Record Updated | Aug 24, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0232940308 |
|---|---|
| Date | Jun 29, 2021 |
| Book Page | 23294/308 |
| Instrument | DM020406 |
| Name | CITIZENS BANK |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 301 Months |
| Due | Jul 1, 2046 |
| Rate Type | Adjustable Rate |
|---|
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 | $35,700 (-) Land $10,400 Building $25,300 | |
| 2024 | $502,817 (+2.54%) Land $146,479 Building $356,338 | |
| 2023 | $35,700 Land $10,400 Building $25,300 | $490,384 Land $142,857 Building $347,527 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 40 policies |
| Nearby Flood Policies | 40 in force |
| Nearby Flood Claims | 19 (1980–2023) |
| Claims Outside the SFHA | 18 of 19 |
| Most Recent Claim | Jul 2023 · 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 357 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 |
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