Suffolk County and Islip Town property record for 191 Union Ave, Islip, NY 11751
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.2 acres (8,712 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $535,000 (Oct 2006) |
| Tax Bill | $11,239 (2024) |
| Deeds & Mortgages | Feb 2026 Sale Apr 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 396.-5-28 |
| Primary APN | 472889 396.-5-28 |
|---|---|
| Alternative APNs |
|
| Lot Area | 8,712 sqft (0.2 acres) |
|---|---|
| Lot Width | 65.5 ft Width |
| Account Number | 036090 |
|---|---|
| Street Address | 191 UNION AVE |
| City | ISLIP |
| State | NY |
| Zip | 11751-4314 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | B |
| Legal Description | X2218332Y182111 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 Company Names on Record |
|---|---|
| Mailing Address | 191 UNION AVE, ISLIP, NY 11751-4314 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Date | Document |
|---|---|
| Feb 25, 2026 | Deed, Transfer |
| Apr 16, 2020 | Deed of Trust, Mortgage · Balloon Mortgage BETHPAGE FCU |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 18, 2006 · Amount on Record |
| Deed Sale | Oct 18, 2006 · Amount on Record |
| Prior Sale | Dec 21, 2001 · Amount on Record |
| Deed Book / Page | 12474 / 677 |
| Prior Transfer Date | Jul 5, 2001 |
| Prior Transfer Doc | 1214000748 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Feb 25, 2026 |
| Property Address | 191 UNION AVE, ISLIP, NY 11751-4314 |
| Document Number | 0133260864 |
| Book / Page | 13326 / 864 |
| Instrument Date | Feb 21, 2026 |
| Transaction Type | Transfer |
| Record Updated | Mar 31, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 191 UNION AVE, ISLIP, NY 11751-4314 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 191 UNION AVE, ISLIP, NY 11751-4314 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0231260201 |
|---|---|
| Date | Apr 16, 2020 |
| Book Page | 23126/201 |
| Instrument | DL002090 |
| Name | BETHPAGE FCU |
|---|---|
| Type | Credit Union |
| Type | Balloon Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | May 1, 2050 |
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 | $39,000 (-) Land $10,400 Building $28,600 | $549,296 (-) Land $146,479 Building $402,817 | |
| 2024 | $11,239.00 | $549,296 (+2.54%) Land $146,479 Building $402,817 | |
| 2023 | $39,000 Land $10,400 Building $28,600 | $535,714 Land $142,857 Building $392,857 |
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 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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