Suffolk County and Islip Town property record for 321 Brookville Ave, Islip, NY 11751
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.56 acres (24,394 sqft) |
| Owner | Individual Name on File |
| Last Sale | $164,000 (Sep 1995) |
| Tax Bill | $11,614 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 271.-3-40 |
| Primary APN | 472889 271.-3-40 |
|---|---|
| Alternative APNs |
|
| Lot Area | 24,394 sqft (0.56 acres) |
|---|---|
| Lot Width | 111 ft Width |
| Account Number | 595295 |
|---|---|
| Street Address | 321 BROOKVILLE AVE |
| City | ISLIP |
| State | NY |
| Zip | 11751-1112 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | AA |
| Legal Description | X2217300Y192820 T043H00000000WL |
| Legal Subdivision | BROOKVILLE PK |
| Legal Block | 1000 |
| Legal Lot Number | 300 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 146205 |
321 Brookville Ave is owned and occupied by an individual who acquired it in September 2011.
Source: Suffolk County and Islip Town records, as of August 11, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | PO BOX 292, ISLIP, NY 11751-0292 |
| 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 | Sep 5, 1995 · Amount on File |
| Deed Sale | Sep 5, 1995 · Amount on File |
| Deed Book / Page | 11740 / 46 |
| Last Transfer Date | Sep 26, 2011 |
| Transfer Doc | D126800897 |
| Record Updated | Sep 20, 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 | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $38,500 Land $12,800 Building $25,700 | $542,254 (-) Land $180,282 Building $361,972 | |
| 2024 | $11,614.00 | $542,254 (+2.54%) Land $180,282 Building $361,972 | |
| 2023 | $38,500 Land $12,800 Building $25,700 | $528,846 Land $175,824 Building $353,022 |
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 Brookville Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim 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 |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 1 (1992) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Dec 1992 · Coastal Storm, High Tides, Heavy Rain, & Flooding |
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.
Wildfire risk around 321 Brookville Ave is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 97% of the US · lower than 96% of New York |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 227 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 |
May also be available: T-Mobile.
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