Nassau County and Oyster Bay Town property record for 46 William St, Glen Head, NY 11545
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,018 sqft · built 1930 |
| Lot Size | 0.175 acres (7,600 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $625,000 (Sep 2013) |
| Tax Bill | $13,970 (2025) |
| Deeds & Mortgages | Sep 2021 Mortgage Sep 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 21-217-00-0648 |
| Primary APN | 21-217-00-0648 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,018 sqft Living Area |
| 1st Floor Area | 1,128 sqft |
| Game Room | Game Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1930 |
| Architectural Style | Cape Cod |
| Exterior Material | Wood |
| Construction Type | Frame |
| Foundation Type | Concrete |
| Roof Material | Other |
| Lot Area | 7,600 sqft (0.175 acres) |
| Lot Dimensions | 124 ft deep x 107 ft wide |
| Garage Type | Basement |
| Parking Spaces | 2 Parking Spaces |
| Pool Area | 336 sqft |
|---|---|
| Porch | Open Frame Porch |
| Porch Area | 56 sqft |
| Deck Area | 261 sqft |
| Patio Area | 420 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 21217 06480 |
|---|---|
| Street Address | 46 WILLIAM ST |
| City | GLEN HEAD |
| State | NY |
| Zip | 11545-1041 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TOWN #3 SCH DIST 001 |
| Legal Block | 217 |
| Legal Lot Number | 648 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | OYSTER BAY |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 517500 |
46 William St is owned and occupied by two individuals who bought it in September 2013.
Source: Nassau County and Oyster Bay Town records, as of June 17, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 46 WILLIAM ST, GLEN HEAD, NY 11545-1041 |
| 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.
| Date | Document |
|---|---|
| Sep 14, 2021 | Deed of Trust, Mortgage · Conventional Mortgage JP MORGAN CHASE BANK |
| Sep 14, 2021 | Deed of Trust, Mortgage · Conventional Mortgage JP MORGAN CHASE BANK |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 11, 2013 · Amount on File |
| Deed Sale | Sep 11, 2013 · Amount on File |
| Prior Sale | Jul 12, 2005 · Amount on File |
| Deed Document Number | 20131847 |
| Deed Book / Page | 12989 / 926 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | NASSAU NY |
| Property Address | 46 WILLIAM ST, GLEN HEAD, NY 11545-1041 |
| Transaction Type | Mortgage |
| Record Updated | Oct 13, 2021 |
| Title Company | TITLEVEST AGENCY INC, TITLEVEST AGENCY LLC |
| Name | Verified Name |
|---|
| Document Number | 0458320516 |
|---|---|
| Date | Sep 14, 2021 |
| Book Page | 45832/516 |
| Instrument | 2021-119287 |
| Name | JP MORGAN CHASE BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Apr 1, 2051 |
| Rate Type | Fixed Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | NASSAU NY |
| Property Address | 46 WILLIAM ST, GLEN HEAD, NY 11545-1041 |
| Transaction Type | Mortgage |
| Record Updated | Oct 13, 2021 |
| Title Company | TITLEVEST AGENCY INC, TITLEVEST AGENCY LLC |
| Name | Verified Name |
|---|
| Document Number | 0458320498 |
|---|---|
| Date | Sep 14, 2021 |
| Book Page | 45832/498 |
| Instrument | 2021-119286 |
| Name | JP MORGAN CHASE BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Apr 1, 2051 |
| Rate Type | Fixed Rate |
|---|
The 2025 property tax bill for 46 William St was $13,970 with a homeowner's exemption.
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 | North Shore Central School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $596 Land $224 Building $372 | $596,000 | |
| 2025 | $13,970.00 | ||
| 2023 | $13,158.00 Additional exemption filed | $611 Land $268 Building $343 | $611,000 |
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 46 William St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1986.
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 Policies | 1 in force |
| Nearby Flood Claims | 1 (1986) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 1986 · tidal / storm surge |
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.
Wildfire risk around 46 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 94% of the US · lower than 91% 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 | LIBERTY UTILITIES NEW YORK - SEA CLIFF private · serves 13,400 people · EPA ID NY2902853 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jan 2024 |
| 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 546 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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