Suffolk County and Islip Town property record for 51 Willow Ave, Islip, NY 11751 · Last verified August 2026
| Property Type | Residential > Multi-Unit > Duplex |
|---|---|
| Architecture Style | Duplex Single |
| Lot Size | 11,761 sqft (0.27 acres) |
| Occupancy | Owner Occupied |
| Primary APN | 472889 370.-4-54 |
|---|---|
| Alternative APNs |
|
| Units | 2 Units |
|---|
| Architectural Style | Duplex Single Style |
|---|---|
| Lot Area | 11,761 sqft (0.27 acres) |
| Lot Width | 100 ft Width |
| Account Number | 032891 |
|---|---|
| Street Address | 51 WILLOW AVE |
| City | ISLIP |
| State | NY |
| Zip | 11751-3915 |
| Property Usage | Residential Property Usage |
| Type | Residential > Multi-Unit > Duplex |
| Legal Description | X2218444Y183952 T059H00000000H |
| Legal Block | 0004 |
| Legal Lot Number | 400 |
| Jurisdiction | SUFFOLK NY |
| Minor Civil Division | ISLIP |
| Census Blockgroup | 1 |
| Census Block | 1011 |
| Census Tract | 147402 |
Source: Suffolk County and Islip Town records · APN 472889 370.-4-54
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 | 2 Company Names on File |
|---|---|
| Mailing Address | 51 WILLOW AVE, ISLIP, NY 11751-3915 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Trustor/Debtor (Borrower in Default/Foreclosure On Trustee's Deed) |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Sep 26, 2018 |
| Transfer Doc | 0129960424 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Jan 11, 2019 |
| Property Address | 51 WILLOW AVE, ISLIP, NY 11751-3915 |
| Document Number | 0129960424 |
| Book / Page | 012996 / 000424 |
| Instrument Date | Sep 26, 2018 |
| Transaction Type | Transfer |
| Record Updated | Feb 06, 2019 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 51 WILLOW AVE ISLIP NY 117513915, ISLIP, NY 11751-3915 |
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 and are not market price estimates.
| Year | Assessed Value | Assessed Market Value |
|---|---|---|
| 2025 | $52,100 (-) Land $12,600 Building $39,500 | |
| 2024 | $733,803 (+2.54%) Land $177,465 Building $556,338 | |
| 2023 | $52,100 Land $12,600 Building $39,500 | $715,659 Land $173,077 Building $542,582 |
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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