Nassau County and North Hempstead Town property record for 189 William St, Williston Park, NY 11596
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 3,194 sqft · built 1949 |
| Lot Size | 0.253 acres (10,999 sqft) |
| Owner | Individual Name on File |
| Last Sale | $560,000 (Apr 2016) |
| Tax Bill | $18,593 (2025) |
| Deeds & Mortgages | May 2019 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-656-00-0078 |
| Primary APN | 09-656-00-0078 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 3,194 sqft Living Area |
| Gross Area | 4,144 sqft |
| 1st Floor Area | 720 sqft |
| Basement Area | 950 sqft |
| Game Room | Game Room |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1949 |
| Architectural Style | Colonial |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Foundation Type | Concrete |
| Roof Material | Other |
| Lot Area | 10,999 sqft (0.253 acres) |
| Lot Dimensions | 100 ft deep x 50 ft wide |
| Garage Type | Detached |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Frame Porch |
| Deck Area | 16 sqft |
| Patio Area | 255 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 09656 00780 |
|---|---|
| Street Address | 189 WILLIAM ST |
| City | WILLISTON PARK |
| State | NY |
| Zip | 11596-1036 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | 78 - 80 |
| Legal Subdivision | WILLISTON GDN ESTS SEC 2 |
| Legal Block | 656 |
| Legal Lot Number | 78 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | NORTH HEMPSTEAD |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 303301 |
189 William St is owned and occupied by an individual who bought it in April 2016.
Source: Nassau County and North Hempstead Town records, as of June 17, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 189 WILLIAM ST, WILLISTON PARK, NY 11596-1036 |
| 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 | Apr 27, 2016 · Amount on File |
| Deed Sale | Apr 27, 2016 · Amount on File |
| Deed Document Number | 201641647 |
| Deed Book / Page | D13354 / 268 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | NASSAU NY |
| Property Address | 189 WILLIAM ST, WILLISTON PARK, NY 11596-1036 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|
| Document Number | 0434530276 |
|---|---|
| Date | May 22, 2019 |
| Book Page | 43453/276 |
| Instrument | 2019-042929 |
| Name | NASSAU FINANCIAL FCU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | May 21, 2049 |
| Rate Type | Fixed Rate |
|---|
The 2025 property tax bill for 189 William St was $18,593 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 | $1,115 Land $409 Building $706 | $1,115,000 | |
| 2025 | $18,593.00 | ||
| 2023 | $13,767.00 Additional exemption filed | $960 Land $352 Building $608 | $960,000 |
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 189 William St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1980.
Source: FEMA National Flood Hazard Layer, effective April 5, 2023 · 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 Claims | 1 (1980) |
| Most Recent Claim | Apr 1980 · rainfall accumulation |
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 189 William 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 888 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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