Suffolk County and Islip Town property record for 79 Nassau Ave, Islip, NY 11751
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.23 acres (10,019 sqft) |
| Owner | Individual Name on File |
| Last Sale | $350,000 (Dec 2009) |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 345.-2-35 |
| Primary APN | 472889 345.-2-35 |
|---|---|
| Alternative APNs |
|
| Lot Area | 10,019 sqft (0.23 acres) |
|---|---|
| Lot Width | 53 ft Width |
| Account Number | 037353 |
|---|---|
| Street Address | 79 NASSAU AVE |
| City | ISLIP |
| State | NY |
| Zip | 11751-3607 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | B |
| Legal Description | X2218726Y185594 T058H00000000 |
| Legal Block | 5000 |
| Legal Lot Number | 200 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 2 |
| Census Block | 2019 |
| Census Tract | 147401 |
79 Nassau Ave is owned and occupied by an individual who bought it in December 2009.
Source: Suffolk County and Islip Town records, as of August 11, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 79 NASSAU AVE, ISLIP, NY 11751-3607 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 29, 2009 · Amount on File |
| Deed Sale | Dec 29, 2009 · Amount on File |
| Deed Book / Page | 12611 / 140 |
| Prior Transfer Date | Dec 18, 2009 |
| Prior Transfer Doc | 0126110140 |
| Record Updated | Oct 29, 2026 |
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 | Assessed Value | Assessed Market Value |
|---|---|---|
| 2025 | $39,700 Land $6,400 Building $33,300 | |
| 2024 | $559,155 (+2.54%) Land $90,141 Building $469,014 | |
| 2023 | $39,700 Land $6,400 Building $33,300 | $545,330 Land $87,912 Building $457,418 |
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.
FEMA maps place 79 Nassau Ave in Zone X, an area of minimal flood risk, though there have been 6 flood claims nearby since 1992.
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 File median of 10 policies |
| Nearby Flood Policies | 10 in force |
| Nearby Flood Claims | 6 (1992–2014) |
| Claims Outside the SFHA | 4 of 6 |
| Most Recent Claim | Aug 2014 · rainfall accumulation |
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.
The area around 79 Nassau Ave has no burnable land within ember reach, so its wildfire risk is not rated.
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 421 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| T-Mobile Fixed Wireless | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures