Suffolk County and Islip Town property record for 100 Root Ave, Islip, NY 11751 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Year Built | Built 1946 |
| Square Footage | 678 sqft Living Area |
| Lot Size | 10,019 sqft (0.23 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $265,000 (2023) |
| Primary APN | 472889 344.-1-9 |
|---|---|
| Alternative APNs |
|
| Building Area | 678 sqft Living Area |
|---|---|
| 1st Floor | 468 sqft 1st Floor |
| Year Built | Built 1946 |
|---|---|
| Effective Year Built | Effective 1946 |
| Lot Area | 10,019 sqft (0.23 acres) |
| Depth X Width | 100 ft x 100 ft Depth x Width |
| Account Number | 587160 |
|---|---|
| Street Address | 100 ROOT AVE |
| City | ISLIP |
| State | NY |
| Zip | 11751-2418 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | X2215989Y187261 T044H00000000 |
| Legal Block | 4000 |
| Legal Lot Number | 100 |
| Jurisdiction | SUFFOLK NY |
| Minor Civil Division | ISLIP |
| Census Blockgroup | 3 |
| Census Block | 3020 |
| Census Tract | 147401 |
Source: Suffolk County and Islip Town records · APN 472889 344.-1-9
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 | Individual Name on File |
|---|---|
| Mailing Address | 100 ROOT AVE, ISLIP, NY 11751-2418 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Jan 07, 2026 | Deed of Trust, Mortgage UNITED MORTGAGE CORP |
| Apr 18, 2023 | Deed, Transfer · Stand Alone First Mortgage NATIONWIDE MORTGAGE BANKERS |
| Apr 20, 2022 | Deed, Transfer |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Apr 18, 2023 · Amount on Record |
| Deed Sale | Apr 18, 2023 · Amount on Record |
| Prior Sale | Apr 20, 2022 · Amount on Record |
| Deed Book / Page | 13197 / 750 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 100 ROOT AVE, ISLIP, NY 11751-2418 |
| Transaction Type | Mortgage |
| Record Updated | Feb 25, 2026 |
| Name | Verified Name |
|---|
| Document Number | 0237050495 |
|---|---|
| Date | Jan 07, 2026 |
| Book Page | 23705/495 |
| Name | UNITED MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Amount | Amount Recorded |
|---|---|
| Term | 361 Months |
| Due | Feb 01, 2056 |
| Document Type | Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Apr 18, 2023 |
| Property Address | 100 ROOT AVE, ISLIP, NY 11751-2418 |
| Document Number | 0131970750 |
| Book / Page | 13197 / 750 |
| Instrument Date | Feb 02, 2023 |
| Transaction Type | Transfer |
| Record Updated | Feb 13, 2024 |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 69 BABYLON RD, ISLIP, NY 11751 |
| Document Number | 0023500394 |
|---|---|
| Date | Apr 18, 2023 |
| Instrument | 23500/394 |
| Name | NATIONWIDE MORTGAGE BANKERS |
|---|
| Type | Stand Alone First Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Apr 20, 2022 |
| Property Address | 100 ROOT AVE, ISLIP, NY 11751-2418 |
| Document Number | 0131520626 |
| Book / Page | 13152 / 626 |
| Instrument Date | Jan 04, 2022 |
| Transaction Type | Transfer |
| Record Updated | Aug 09, 2022 |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 30 MARVIN LN, ISLIP, NY 11751-3812 |
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 | $53,500 (+103.81%) Land $7,800 Building $45,700 | |
| 2024 | $440,845 (+22.26%) Land $109,859 Building $330,986 | |
| 2023 | $26,250 (-) Land $7,800 Building $18,450 | $360,577 (+13.74%) Land $107,143 Building $253,434 |
| 2022 | $26,250 Land $7,800 Building $18,450 | $317,029 Land $94,203 Building $222,826 |
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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