Nassau County and Oyster Bay Town property record for 47 William St, Bethpage, NY 11714
| Property Type | Single Family Home |
|---|---|
| Details | 2 ba · 1,935 sqft · built 1961 |
| Lot Size | 0.23 acres (10,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $775,000 (Feb 2025) |
| Tax Bill | $5,776 (2025) |
| Deeds & Mortgages | Mar 2024 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 49-045-00-0498 |
| Primary APN | 49-045-00-0498 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2 Baths |
|---|---|
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,935 sqft Living Area |
| Gross Area | 2,495 sqft |
| 1st Floor Area | 962 sqft |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 1961 |
| Architectural Style | Cape Cod |
| Exterior Material | Wood |
| Construction Type | Frame |
| Foundation Type | Concrete |
| Roof Material | Other |
| Lot Area | 10,000 sqft (0.23 acres) |
| Lot Dimensions | 100 ft deep x 100 ft wide |
| Garage Type | Attached |
| Garage Area | 560 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 49045 04980 |
|---|---|
| Street Address | 47 WILLIAM ST |
| City | BETHPAGE |
| State | NY |
| Zip | 11714-4423 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TOWN #3 SCH DIST 021 |
| Legal Subdivision | MAP OF 668 LOTS |
| Legal Block | 45 |
| Legal Lot Number | 498-5 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | OYSTER BAY |
| Census Block Group | 4 |
| Census Block | 4012 |
| Census Tract | 520002 |
47 William St is owned by two individuals who bought it in February 2025.
Source: Nassau County and Oyster Bay 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 | 47 WILLOW ST, BETHPAGE, NY 11714-4326 |
| Owner Type | Individual |
| Vesting | Husband and Wife |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 25, 2025 · Amount on File |
| Deed Sale | Feb 25, 2025 · Amount on File |
| Deed Document Number | 2025-12226 |
| Deed Book / Page | D14595 / 978 |
| Prior Transfer Date | Nov 22, 2023 |
| Prior Transfer Doc | D144730622 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | NASSAU NY |
| Recording Date | Mar 5, 2024 |
| Property Address | 47 WILLIAM ST, BETHPAGE, NY 11714-4423 |
| Document Number | D144730622 |
| Book / Page | D14473 / 622 |
| Instrument Date | Nov 22, 2023 |
| Instrument | 2024-13865 |
| Transaction Type | Transfer |
| Record Updated | Mar 13, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 47 WILLIAM ST, BETHPAGE, NY 11714-4423 |
| Name | Verified Name |
|---|---|
| Address | 57 TEPHANIC AVE, MONROE, NY 10950-1421 |
The 2025 property tax bill for 47 William St was $5,776.
Source: Nassau County and Oyster Bay Town assessment roll, as of June 17, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Nassau County |
| County Subdivision | Oyster Bay Town |
| Unified School District | Bethpage Union Free School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $532 (-) Land $294 Building $238 | $532,000 (-) | |
| 2025 | $5,776.00 | $532 Land $294 Building $238 | $532,000 |
| 2023 | $5,490.00 Homeowner's exemption Senior Citizen's exemption Veteran's exemption | $563 Land $319 Building $244 | $563,000 |
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 47 William 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.
Wildfire risk around 47 William St 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 99.1% of the US · lower than 99.2% of New York |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 | BETHPAGE WD serves 33,000 people · EPA ID NY2902817 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jul 2025 |
| Lead | Under 1 ppb (2021–2023) 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 340 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 |
May also be available: T-Mobile.
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