Suffolk County and East Hampton Town property record for 73 Harbor Ave, Islip, NY 11751
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.23 acres (10,019 sqft) |
| Owner | Individual Name on File |
| Last Sale | $625,000 (Aug 2012) |
| Tax Bill | $7,422 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 472403 3.-6-25 |
| Primary APN | 472403 3.-6-25 |
|---|---|
| Alternative APNs |
|
| Lot Area | 10,019 sqft (0.23 acres) |
|---|
| Street Address | 73 HARBOR AVE |
|---|---|
| City | ISLIP |
| State | NY |
| Zip | 11751 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | BLK LOT 52 |
| Legal Block | 6 |
| Legal Lot Number | 25 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | EAST HAMPTON |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 200903 |
Source: Suffolk County and East Hampton Town records · APN 472403 3.-6-25
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 | 15 WYNMOR RD, SCARSDALE NY 10583 |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Aug 22, 2012 · Amount on Record |
| Deed Sale | Aug 22, 2012 · Amount on Record |
| Prior Sale | Sep 03, 2003 · Amount on Record |
| Deed Book / Page | 12702 / 874 |
| Record Updated | Sep 20, 2026 |
Source: Suffolk County and East Hampton Town records · Assessment roll updated August 11, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | New York |
| County | Suffolk County |
| County Subdivision | East Hampton Town |
| Municipality | Sag Harbor Village |
| Unified School District | Sag Harbor Union Free School District (PK - 12) |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $6,750 (-) Land $200 Building $6,550 | ||
| 2024 | $7,422.00 | ||
| 2023 | $6,750 Land $200 Building $6,550 | $7,873 Land $233 Building $7,640 |
Source: FEMA National Flood Hazard Layer as of September 18, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 70 policies |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 70 in force |
| Nearby Flood Claims | 3 (2012–2024) |
| Claims Outside the SFHA | 2 of 3 |
| Most Recent Claim | Jan 2024 · rainfall accumulation |
| Wildfire Risk | Low lower than 94% of the US · lower than 93% of New York |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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.
Source: NPS National Register of Historic Places as of August 1, 2026 · Last verified October 2026
| Historic District | Within the Sag Harbor Hills, Azurest, and Ninevah Beach Subdivisions Historic District listed 2019 · 201 contributing resources · NRIS 100004217 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Communications Fiber · Cable | 8,000 / 8,000 |
| Verizon Fixed Wireless | 300 / 20 |
Based on FCC filings for 67 locations within half a mile of this property.
5G (outdoors only) and 4G LTE
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | SUFFOLK COUNTY WATER AUTHORITY serves 1,100,000 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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