Suffolk County and Islip Town property record for 49 Union Ave, Islip, NY 11751 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 2,631 sqft · built 2002 |
| Lot Size | 0.28 acres (12,197 sqft) |
| Owner | Company Name on File |
| Last Sale | $642,500 (Dec 2019) |
| Deeds & Mortgages | Jul 2019 Mortgage Dec 2019 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 370.-4-31.2 |
| Primary APN | 472889 370.-4-31.2 |
|---|---|
| Alternative APNs |
|
| Building Area | 2,631 sqft Living Area |
|---|---|
| 1st Floor Area | 1,242 sqft |
| Year Built | Built 2002 |
|---|---|
| Effective Year Built | Effective 2002 |
| Lot Area | 12,197 sqft (0.28 acres) |
| Lot Width | 63 ft Width |
| Garage Type | Attached |
| Garage Area | 240 sqft |
| Street Address | 49 UNION AVE |
|---|---|
| City | ISLIP |
| State | NY |
| Zip | 11751-3919 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T059H00000000H |
| Legal Block | 0004 |
| Legal Lot Number | 400 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 147402 |
Source: Suffolk County and Islip Town records · APN 472889 370.-4-31.2
Assessment roll updated August 11, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 49 UNION AVE, ISLIP, NY 11751-3919 |
| Owner Type | Company |
| Vesting | Company |
| Date | Document |
|---|---|
| Jul 19, 2019 | Deed of Trust, Mortgage · Balloon Mortgage PEOPLES UNITED BANK |
| Dec 30, 2019 | Deed, Transfer |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Dec 30, 2019 · Amount on Record |
| Deed Sale | Dec 30, 2019 · Amount on Record |
| Prior Sale | Feb 24, 2003 · Amount on Record |
| Deed Book / Page | 13042 / 31 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 49 UNION AVE, ISLIP, NY 11751-3919 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0230430713 |
|---|---|
| Date | Jul 19, 2019 |
| Book Page | 23043/713 |
| Instrument | DK012799 |
| Name | PEOPLES UNITED BANK |
|---|---|
| Type | Bank |
| Type | Balloon Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 337 Months |
| Due | Aug 01, 2047 |
| Rate | 5% |
|---|
| Document Type | Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Dec 30, 2019 |
| Property Address | 49 UNION AVE, ISLIP, NY 11751-3919 |
| Document Number | 0130420031 |
| Book / Page | 13042 / 31 |
| Instrument Date | Nov 13, 2019 |
| Transaction Type | Transfer |
| Record Updated | Aug 20, 2021 |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
Source: Suffolk County and Islip Town records · Assessment roll updated August 11, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | New York |
| County | Suffolk County |
| County Subdivision | Islip Town |
| Unified School District | Islip Union Free School District (KG - 12) |
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.
| Year | Assessed Value | Assessed Market Value |
|---|---|---|
| 2025 | $59,000 (-) Land $10,500 Building $48,500 | |
| 2024 | $830,986 (+2.54%) Land $147,887 Building $683,099 | |
| 2023 | $59,000 Land $10,500 Building $48,500 | $810,440 Land $144,231 Building $666,209 |
Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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