Nassau County and North Hempstead Town property record for 50 Prospect St, Williston Park, NY 11596
| Property Type | Single Family Home |
|---|---|
| Details | 1.5 ba · 1,300 sqft · built 1926 |
| Lot Size | 0.094 acres (4,080 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $640,000 (Mar 2019) |
| Tax Bill | $10,690 (2025) |
| Deeds & Mortgages | May 2020 Mortgage Mar 2019 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-159-00-0021 |
| Primary APN | 09-159-00-0021 |
|---|---|
| Alternative APNs |
|
| Full Baths | 1.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,300 sqft Living Area |
| 1st Floor Area | 624 sqft |
| Game Room | Game Room |
| Year Built | Built 1926 |
|---|---|
| Effective Year Built | Effective 1926 |
| Architectural Style | Old Style |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Foundation Type | Concrete |
| Roof Material | Wood Shingle |
| Lot Area | 4,080 sqft (0.094 acres) |
| Lot Dimensions | 100 ft deep x 40 ft wide |
| Garage Type | Detached |
| Garage Area | 216 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 09159 00210 |
|---|---|
| Street Address | 50 PROSPECT ST |
| City | WILLISTON PARK |
| State | NY |
| Zip | 11596-1615 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | 21-22 |
| Legal Block | 159 |
| Legal Lot Number | 21-22 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | NORTH HEMPSTEAD |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 303301 |
50 Prospect St is owned and occupied by two individuals who bought it in March 2019.
Source: Nassau County and North Hempstead Town records, as of June 17, 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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 50 PROSPECT ST, WILLISTON PARK, NY 11596-1615 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| May 20, 2020 | Deed of Trust, Mortgage · Conventional Mortgage ADVISORS MORTGAGE GROUP LLC |
| Mar 12, 2019 | Bargain and Sale Deed, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 12, 2019 · Amount on File |
| Deed Sale | Mar 12, 2019 · Amount on File |
| Prior Sale | Jul 2, 2007 · Amount on File |
| Deed Document Number | 201921896 |
| Deed Book / Page | 13777 / 953 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | NASSAU NY |
| Property Address | 50 PROSPECT ST, WILLISTON PARK, NY 11596-1615 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0441940449 |
|---|---|
| Date | May 20, 2020 |
| Book Page | 44194/449 |
| Instrument | 2020-040014 |
| Name | ADVISORS MORTGAGE GROUP LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | May 1, 2050 |
| Rate Type | Fixed Rate |
|---|
| Document Type | Bargain and Sale Deed |
|---|---|
| Jurisdiction | NASSAU NY |
| Recording Date | Mar 12, 2019 |
| Property Address | 50 PROSPECT ST, WILLISTON PARK, NY 11596-1615 |
| Document Number | 0137770953 |
| Book / Page | 13777 / 953 |
| Map Reference | MAP 1 |
| Instrument Date | Feb 15, 2019 |
| Instrument | 2019-021896 |
| Transaction Type | Transfer |
| Record Updated | May 14, 2021 |
| Amount | Amount on Record |
|---|---|
| Tax | $2,560.00 |
| Amount Accuracy | Calculated from Transfer Tax |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 87 SPERRY BLVD, NEW HYDE PARK, NY 11040-3817 |
| Investor | Possibly a Property Investor |
The 2025 property tax bill for 50 Prospect St was $10,690 with a homeowner's exemption.
Source: Nassau County and North Hempstead Town assessment roll, as of June 17, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Nassau County |
| County Subdivision | North Hempstead Town |
| Municipality | Williston Park Village |
| Unified School District | Herricks Union Free School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $498 Land $269 Building $229 | $498,000 | |
| 2025 | $10,690.00 | ||
| 2023 | $9,743.00 Additional exemption filed | $589 Land $318 Building $271 | $589,000 |
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 50 Prospect St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective April 5, 2023
| 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.
The area around 50 Prospect St 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 | WILLISTON PARK (V) serves 7,287 people · EPA ID NY2902858 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Sep 2024 |
| Lead | 2 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| 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 1,039 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 |
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