Suffolk County and Islip Town property record for 463 Prospect Ave, Central Islip, NY 11722
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.45 acres (19,602 sqft) |
| Owner | Individual Name on File |
| Deeds & Mortgages | Feb 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 76.-4-43 |
| Primary APN | 472889 76.-4-43 |
|---|---|
| Alternative APNs |
|
| Lot Area | 19,602 sqft (0.45 acres) |
|---|---|
| Lot Dimensions | 200 ft deep x 100 ft wide |
| Account Number | 301900 |
|---|---|
| Street Address | 463 PROSPECT AVE |
| City | CENTRAL ISLIP |
| State | NY |
| Zip | 11722-1829 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | AA |
| Legal Description | X2215404Y208233 T011H00000000 |
| Legal Subdivision | MAP MOTOR PARKWAY ACREAGE |
| Legal Block | 6000 |
| Legal Lot Number | 400 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 145703 |
463 Prospect Ave is owned and occupied by an individual.
Source: Suffolk County and Islip Town records, as of August 11, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 463 PROSPECT AVE, CENTRAL ISLIP, NY 11722-1829 |
| 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 |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 463 PROSPECT AVE, CENTRAL ISLIP, NY 11722-1829 |
| Transaction Type | Mortgage |
| Record Updated | Feb 23, 2024 |
| Name | Verified Name |
|---|
| Document Number | 0232320572 |
|---|---|
| Date | Feb 17, 2021 |
| Book Page | 23232/572 |
| Instrument | DL054790 |
| Name | SECRETARY HOUSING URBAN DEVELOPMENT |
|---|---|
| Type | Government Agency |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 241 Months |
| Due | Mar 1, 2041 |
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 | Central Islip Union Free School District (PK - 12) |
| Year | Assessed Value | Assessed Market Value |
|---|---|---|
| 2025 | $36,700 Land $10,200 Building $26,500 | |
| 2024 | $516,901 (+2.54%) Land $143,662 Building $373,239 | |
| 2023 | $36,700 Land $10,200 Building $26,500 | $504,121 Land $140,110 Building $364,011 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 463 Prospect Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 18, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 463 Prospect 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 96% of the US · lower than 95% 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 384 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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