Suffolk County and Islip Town property record for 539 Islip Ave, Islip, NY 11751 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Year Built | Built 1967 |
| Square Footage | 1,554 sqft Living Area |
| Lot Size | 10,019 sqft (0.23 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $221,000 (2014) |
| Tax Bill | $10,440.00 (2024) |
| Primary APN | 472889 272.-1-5 |
|---|---|
| Alternative APNs |
|
| Building Area | 1,554 sqft Living Area |
|---|---|
| 1st Floor | 1,074 sqft 1st Floor |
| Basement Area | 480 sqft Basement |
| Year Built | Built 1967 |
|---|---|
| Effective Year Built | Effective 1967 |
| Lot Area | 10,019 sqft (0.23 acres) |
| Depth X Width | 125 ft x 83 ft Depth x Width |
| Account Number | 561242 |
|---|---|
| Street Address | 539 ISLIP AVE |
| City | ISLIP |
| State | NY |
| Zip | 11751-1502 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | X2219170Y192942 T045H00000000 |
| Legal Subdivision | MAP OF COLUMBUS PARK |
| Legal Block | 2000 |
| Legal Lot Number | 100 |
| Jurisdiction | SUFFOLK NY |
| Minor Civil Division | ISLIP |
| Census Blockgroup | 2 |
| Census Block | 2006 |
| Census Tract | 146206 |
Source: Suffolk County and Islip Town records · APN 472889 272.-1-5
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 Individual Names on File |
|---|---|
| Mailing Address | 539 ISLIP AVE, ISLIP, NY 11751-1502 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Aug 23, 2021 | Deed of Trust, Mortgage · Stand Alone Refinance MEADOWBROOK FINANCIAL MTG BANKERS CORP |
| Aug 23, 2021 | Deed, Transfer |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Aug 06, 2014 · Amount on Record |
| Deed Sale | Aug 06, 2014 · Amount on Record |
| Deed Book / Page | D00012783 / 794 |
| Prior Transfer Date | Aug 28, 1997 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 539 ISLIP AVE, ISLIP, NY 11751-1502 |
| Transaction Type | Mortgage |
| Record Updated | Feb 23, 2024 |
| Name | Verified Name |
|---|
| Document Number | 0233160050 |
|---|---|
| Date | Aug 23, 2021 |
| Book Page | 23316/50 |
| Instrument | DM030445 |
| Name | MEADOWBROOK FINANCIAL MTG BANKERS CORP |
|---|
| Type | Stand Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 01, 2051 |
| Document Type | Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Aug 23, 2021 |
| Property Address | 539 ISLIP AVE, ISLIP, NY 11751-1502 |
| Document Number | 0131160967 |
| Book / Page | 13116 / 967 |
| Instrument Date | Jul 01, 2021 |
| Transaction Type | Transfer |
| Record Updated | Mar 17, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Zero or No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants In Common |
| Address | 539 ISLIP AVE, ISLIP, NY 11751-1502 |
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 | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $31,100 (-) Land $7,800 Building $23,300 | $438,028 (-) Land $109,859 Building $328,169 | |
| 2024 | $10,440.00 | $438,028 (+2.54%) Land $109,859 Building $328,169 | |
| 2023 | $31,100 Land $7,800 Building $23,300 | $427,198 Land $107,143 Building $320,055 |
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.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures