Suffolk County and Islip Town property record for 178 Union Ave, Islip, NY 11751
| Property Type | Single Family Home |
|---|---|
| Details | 2,573 sqft · built 1974 |
| Lot Size | 0.12 acres (5,227 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $680,000 (Apr 2021) |
| Tax Bill | $18,211 (2024) |
| Deeds & Mortgages | Oct 2018 Refinance Apr 2021 Sale & Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 396.-4-53 |
| Primary APN | 472889 396.-4-53 |
|---|---|
| Alternative APNs |
|
| Building Area | 2,573 sqft Living Area |
|---|---|
| 1st Floor Area | 1,351 sqft |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 1974 |
| Lot Area | 5,227 sqft (0.12 acres) |
| Lot Width | 89 ft Width |
| Garage Type | Attached |
| Garage Area | 399 sqft |
| Account Number | 036865 |
|---|---|
| Street Address | 178 UNION AVE |
| City | ISLIP |
| State | NY |
| Zip | 11751-4315 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | B |
| Legal Description | X2218184Y182296 T059H00000000 |
| Legal Block | 6000 |
| Legal Lot Number | 400 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 3 |
| Census Block | 3015 |
| 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 | 178 UNION AVE, ISLIP, NY 11751-4315 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Oct 11, 2018 | Deed of Trust, Mortgage · Stand-Alone Refinance TEACHERS FCU |
| Apr 9, 2021 | Deed, Transfer · Stand-Alone First Mortgage CITIZENS BANK |
| Nov 15, 2016 | Deed of Trust, Mortgage · Line of Credit TEACHERS FCU |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 9, 2021 · Amount on Record |
| Deed Sale | Apr 9, 2021 · Amount on Record |
| Prior Sale | Aug 23, 1993 · Amount on Record |
| Deed Book / Page | 13099 / 152 |
| Prior Transfer Date | Oct 10, 2012 |
| Prior Transfer Doc | 0127210553 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 178 UNION AVE, ISLIP, NY 11751-4315 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0229670714 |
|---|---|
| Date | Oct 11, 2018 |
| Book Page | 22967/714 |
| Name | TEACHERS FCU |
|---|---|
| Type | Credit Union |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 337 Months |
| Due | Nov 1, 2046 |
| Document Type | Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Apr 9, 2021 |
| Property Address | 178 UNION AVE, ISLIP, NY 11751-4315 |
| Document Number | 0130990152 |
| Book / Page | 13099 / 152 |
| Instrument Date | Nov 10, 2020 |
| Transaction Type | Transfer |
| Record Updated | May 12, 2021 |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 295 COLUMBUS AVE, WEST BABYLON, NY 11704-5539 |
| Document Number | DM001983 |
|---|---|
| Date | Apr 9, 2021 |
| Instrument | DM001983 |
| Name | CITIZENS BANK |
|---|---|
| Type | Bank |
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 178 UNION AVE, ISLIP, NY 11751-4315 |
| Document Number | 0227770362 |
| Book / Page | 022777 / 000362 |
| Instrument Date | Nov 15, 2016 |
| Transaction Type | Mortgage |
| Record Updated | Jun 13, 2017 |
| Title Company | FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INSURANCE |
| Name | Verified Name |
|---|---|
| Address | 178 UNION AVE ISLIP NY 117514315, ISLIP, NY 11751-4315 |
| Document Number | 0227770362 |
|---|---|
| Date | Jan 11, 2017 |
| Book Page | 022777/000362 |
| Name | TEACHERS FCU |
|---|---|
| Type | Credit Union |
| Address | HAUPPAUGE, NY 11788 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 300 Months |
| Due | Jan 10, 2042 |
| 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 | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $56,000 (-) Land $9,400 Building $46,600 | $788,732 (-) Land $132,394 Building $656,338 | |
| 2024 | $18,211.00 | $788,732 (+2.54%) Land $132,394 Building $656,338 | |
| 2023 | $56,000 Land $9,400 Building $46,600 | $769,231 Land $129,121 Building $640,110 |
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 |
| Flood Insurance Cost | Premium on Record median of 53 policies |
| Nearby Flood Policies | 53 in force |
| Nearby Flood Claims | 75 (1978–2021) |
| Claims Outside the SFHA | 44 of 75 |
| Most Recent Claim | Sep 2021 · Remnants Of Hurricane Ida |
| 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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