Suffolk County and Islip Town property record for 114 Union Ave, Islip, NY 11751
| Property Type | Single Family Home |
|---|---|
| Details | 1,473 sqft · built 1920 |
| Lot Size | 0.18 acres (7,841 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $420,000 (Oct 2017) |
| Tax Bill | $11,273 (2024) |
| Deeds & Mortgages | Aug 2021 Refinance Oct 2017 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 396.-4-65 |
| Primary APN | 472889 396.-4-65 |
|---|---|
| Alternative APNs |
|
| Building Area | 1,473 sqft Living Area |
|---|---|
| 1st Floor Area | 899 sqft |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1920 |
| Lot Area | 7,841 sqft (0.18 acres) |
| Lot Width | 50 ft Width |
| Garage Type | Detached |
| Garage Area | 294 sqft |
| Account Number | 033100 |
|---|---|
| Street Address | 114 UNION AVE |
| City | ISLIP |
| State | NY |
| Zip | 11751-4315 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | B |
| Legal Description | X2218045Y183048 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 |
114 Union Ave is owned and occupied by two individuals who bought it in October 2017.
Source: Suffolk County and Islip Town records, as of August 11, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 114 UNION AVE, ISLIP, NY 11751-4315 |
| 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.
| Date | Document |
|---|---|
| Aug 9, 2021 | Deed of Trust, Mortgage · Stand-Alone Refinance NATIONWIDE MORTGAGE BANKERS |
| Oct 31, 2017 | Deed, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 31, 2017 · Amount on File |
| Deed Sale | Oct 31, 2017 · Amount on File |
| Deed Document Number | 201717-0192250 |
| Deed Book / Page | 12935 / 886 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 114 UNION AVE, ISLIP, NY 11751-4315 |
| Transaction Type | Mortgage |
| Record Updated | Sep 21, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0233100270 |
|---|---|
| Date | Aug 9, 2021 |
| Book Page | 23310/270 |
| Instrument | DM028491 |
| Name | NATIONWIDE MORTGAGE BANKERS |
|---|
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Sep 1, 2051 |
| Document Type | Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Oct 31, 2017 |
| Property Address | 114 UNION AVE, ISLIP, NY 11751-4315 |
| Document Number | 0129350886 |
| Book / Page | 12935 / 886 |
| Instrument Date | Sep 15, 2017 |
| Instrument | 0017-0192250 |
| Transaction Type | Transfer |
| Record Updated | Aug 20, 2021 |
| Amount | Amount on Record |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 228 CEDAR AVE, ISLIP, NY 11751-4613 |
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 | $33,950 Land $10,400 Building $23,550 | $478,169 (-) Land $146,479 Building $331,690 | |
| 2024 | $11,273.00 | $478,169 (+2.54%) Land $146,479 Building $331,690 | |
| 2023 | $33,950 Land $10,400 Building $23,550 | $466,346 Land $142,857 Building $323,489 |
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 114 Union Ave in Zone X, an area of minimal flood risk, though there have been 75 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 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.
The area around 114 Union 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 396 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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