Nassau County and North Hempstead Town property record for 137 William St, Williston Park, NY 11596
| Property Type | Duplex |
|---|---|
| Details | 2 ba · 1,582 sqft · built 1949 |
| Lot Size | 0.256 acres (11,156 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $907,500 (Aug 2023) |
| Tax Bill | $14,319 (2025) |
| Deeds & Mortgages | Aug 2023 Sale & Mortgage Sep 2018 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-656-00-0108-A |
| Primary APN | 09-656-00-0108-A |
|---|---|
| Alternative APNs |
|
| Full Baths | 2 Baths |
|---|---|
| Total Rooms | 7 Rooms |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 1,582 sqft Living Area |
| Gross Area | 1,882 sqft |
| 1st Floor Area | 792 sqft |
| Game Room | Game Room |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1949 |
| Architectural Style | Cape Cod |
| Exterior Material | Frame |
| Construction Type | Frame |
| Foundation Type | Concrete |
| Roof Material | Other |
| Lot Area | 11,156 sqft (0.256 acres) |
| Lot Dimensions | 204 ft deep x 54 ft wide |
| Garage Type | Detached |
| Garage Area | 280 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Enclosed Frame Porch |
| Porch Area | 300 sqft |
| Patio Area | 96 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 09656 0108A |
|---|---|
| Street Address | 137 WILLIAM ST |
| City | WILLISTON PARK |
| State | NY |
| Zip | 11596-1060 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | LOTS 108A-108B TOWN #2 SCH DIST 009 |
| Legal Block | 656 |
| Legal Lot Number | 108 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | NORTH HEMPSTEAD |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 303301 |
137 William St, a duplex, is owned and occupied by two individuals who bought it in August 2023.
Source: Nassau County and North Hempstead Town records, as of October 19, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 137 WILLIAM ST, WILLISTON PARK, NY 11596-1060 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Husband and Wife |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Aug 1, 2023 | Bargain and Sale Deed, Transfer · Conventional Mortgage CARDINAL FINANCIAL COMPANY LP |
| Sep 27, 2018 | Quit Claim Deed, Transfer NOT AVAILABLE |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 1, 2023 · Amount on File |
| Deed Sale | Aug 1, 2023 · Amount on File |
| Prior Sale | May 7, 2007 · Amount on File |
| Deed Document Number | 2023-44794 |
| Deed Book / Page | D14402 / 183 |
| Prior Transfer Date | Sep 14, 2018 |
| Prior Transfer Doc | 0137120758 |
| Record Updated | Oct 29, 2026 |
| Document Type | Bargain and Sale Deed |
|---|---|
| Jurisdiction | NASSAU NY |
| Recording Date | Aug 1, 2023 |
| Property Address | 137 WILLIAM ST, WILLISTON PARK, NY 11596-1060 |
| Document Number | D144020183 |
| Book / Page | D14402 / 183 |
| Instrument Date | Jul 26, 2023 |
| Instrument | 2023-44794 |
| Transaction Type | Transfer |
| Record Updated | Aug 9, 2023 |
| Title Company | JUDICIAL TITLE |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $3,630.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 130 MAPLE DR, NEW HYDE PARK, NY 11040 |
| Name | Verified Name |
|---|---|
| Address | 137 WILLIAM ST, WILLISTON PARK, NY 11596-1060 |
| Document Number | 0202344795 |
|---|---|
| Date | Aug 1, 2023 |
| Instrument | 2023-44795 |
| Name | CARDINAL FINANCIAL COMPANY LP |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Aug 1, 2053 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | NASSAU NY |
| Recording Date | Sep 27, 2018 |
| Property Address | 137 WILLIAM ST, WILLISTON PARK, NY 11596-1060 |
| Document Number | 0137120758 |
| Book / Page | 013712 / 000758 |
| Instrument Date | Sep 14, 2018 |
| Instrument | 86992 |
| Transaction Type | Transfer |
| Record Updated | Dec 4, 2020 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 137 WILLIAM ST WILLISTON PARK NY 115961060, WILLISTON PARK, NY 11596-1060 |
The 2025 property tax bill for 137 William St was $14,319.
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 | $701 (-) Building $701 | $701,425 (-) | |
| 2025 | $14,319.00 | $701 Building $701 | $701,425 |
| 2023 | $13,172.00 Homeowner's exemption | $713 Land $523 Building $190 | $713,000 |
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 137 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 137 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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