Suffolk County and Islip Town property record for 321 Windsor Ave, Brightwaters, NY 11718
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.51 acres (22,216 sqft) |
| Owner | Individual Name on File |
| Last Sale | $465,000 (Mar 2004) |
| Tax Bill | $4,921 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 472801 7.-1-90 |
| Primary APN | 472801 7.-1-90 |
|---|---|
| Alternative APNs |
|
| Lot Area | 22,216 sqft (0.51 acres) |
|---|---|
| Lot Dimensions | 150 ft deep x 150 ft wide |
| Account Number | 406240 |
|---|---|
| Street Address | 321 WINDSOR AVE |
| City | BRIGHTWATERS |
| State | NY |
| Zip | 11718-1414 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | NULL |
| Legal Description | X2203644Y180329 N H00000000 |
| Legal Subdivision | BRIGHTWATERS SEC B PART 1 |
| Legal Block | 7000 |
| Legal Lot Number | 100 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 147100 |
321 Windsor Ave is owned and occupied by an individual who bought it in March 2004.
Source: Suffolk County and Islip Town records, as of August 11, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 321 WINDSOR AVE, BRIGHTWATERS, NY 11718-1414 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 23, 2004 · Amount on File |
| Deed Sale | Mar 23, 2004 · Amount on File |
| Deed Book / Page | 12309 / 76 |
| Record Updated | Sep 20, 2026 |
Source: Suffolk County and Islip Town assessment roll, as of August 11, 2026
| Type | Name |
|---|---|
| State | New York |
| Municipality | Brightwaters Village |
| County | Suffolk County |
| County Subdivision | Islip Town |
| Unified School District | Bay Shore Union Free School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $63,000 Land $15,600 Building $47,400 | $887,324 (+8.73%) Land $219,718 Building $667,606 | |
| 2024 | $4,921.00 | $816,063 (+12.44%) Land $202,073 Building $613,990 | |
| 2023 | $63,000 Land $15,600 Building $47,400 | $725,807 Land $179,724 Building $546,083 |
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 321 Windsor Ave in Zone X, an area of minimal flood risk, though there have been 124 flood claims nearby since 1979.
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 94 policies |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 94 in force |
| Nearby Flood Claims | 124 (1979–2024) |
| Claims Outside the SFHA | 60 of 124 |
| Most Recent Claim | Jan 2024 · tidal / storm surge |
| Claims by Event |
|
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 321 Windsor 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 228 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber | 2,300 / 2,300 |
| T-Mobile Fixed Wireless | 100 / 20 |
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