231 William St, Williston Park, NY 11596 Property Records

Nassau County and North Hempstead Town property record for 231 William St, Williston Park, NY 11596

Property Summary

Property TypeSingle Family Home
Details1.5 ba · 1,998 sqft · built 1969
Lot Size0.144 acres (6,258 sqft)
OwnerIndividual Name on File
Last Sale$280,000 (Jun 1997)
Tax Bill$12,067 (2025)
Deeds & MortgagesJun 2020 Transfer
Flood ZoneZone X (minimal risk)
APN09-656-00-0098

Property Details

APN / Parcel Number

Primary APN09-656-00-0098
Alternative APNs
  • 2289-09-656-00-0098-0
  • 09656000098000000000
  • 282289 9.-656-98
  • 09656 00980

Interior

Full Baths1.5 Baths
Half Baths1 Half Bath
Total Rooms6 Rooms
Stories1 Story
Building Area1,998 sqft Living Area
1st Floor Area1,288 sqft
Basement Area644 sqft
Finished Basement644 sqft

Exterior

Year BuiltBuilt 1969
Effective Year BuiltEffective 1969
Architectural StyleRaised Ranch
Exterior MaterialComposition/Composite
Construction TypeFrame
Foundation TypeConcrete
Roof MaterialOther
Lot Area6,258 sqft (0.144 acres)
Lot Dimensions145 ft deep x 42 ft wide
Garage TypeBasement
Parking Spaces2 Parking Spaces
Balcony Area42 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Account Number09656 00980
Street Address231 WILLIAM ST
CityWILLISTON PARK
StateNY
Zip11596-1036
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionTOWN #2 SCH DIST 009
Legal Block656
Legal Lot Number98
JurisdictionNASSAU NY
Township / Civil DivisionNORTH HEMPSTEAD
Census Block Group2
Census Block2013
Census Tract302400

Owner

231 William St is owned and occupied by an individual who acquired it in March 2020.

Source: Nassau County and North Hempstead Town records, as of June 17, 2026

Owner of RecordIndividual Name on File
Mailing Address231 WILLIAM ST, WILLISTON PARK, NY 11596-1036
OccupancyOwner Occupied
Owner TypeIndividual
VestingBorrower in Default

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJun 12, 1997 · Amount on File
Deed SaleJun 12, 1997 · Amount on File
Deed Book / Page10786 / 17
Last Transfer DateMar 6, 2020
Transfer Doc0139400490
Record UpdatedOct 29, 2026

June 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionNASSAU NY
Recording DateJun 15, 2020
Property Address231 WILLIAM ST, WILLISTON PARK, NY 11596-1036
Document Number0139400490
Book / Page013940 / 000490
Instrument DateMar 6, 2020
Instrument47021
Transaction TypeTransfer
Record UpdatedJul 13, 2020
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address231 WILLIAM ST WILLISTON PARK NY 115961036, WILLISTON PARK, NY 11596-1036

Tax Assessment & Valuation

The 2025 property tax bill for 231 William St was $12,067 with exemptions applied.

Source: Nassau County and North Hempstead Town assessment roll, as of June 17, 2026

Property Jurisdictions

TypeName
StateNew York
CountyNassau County
County SubdivisionNorth Hempstead Town
Unified School DistrictHerricks Union Free School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$640 (+5.96%) Land $339 Building $301$690,000 (+14.24%)
2025$12,067.00 Senior Citizen's exemption Veteran's exemption$604 Land $297 Building $307$604,000
2023$11,372.00 Homeowner's exemption Veteran's exemption$690 Land $339 Building $351$690,000

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.

Flood

FEMA maps place 231 William St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2011.

Source: FEMA National Flood Hazard Layer, effective April 5, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies2 in force
Nearby Flood Claims1 (2011)
Claims Outside the SFHA1 of 1
Most Recent ClaimAug 2011 · Hurricane Irene

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

Wildfire risk around 231 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 RiskLow
lower than 99.1% of the US · lower than 99.2% of New York
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemGARDEN CITY PARK WD
public/private · serves 18,000 people · EPA ID NY2902825
Water SourceGroundwater
Last State InspectionAug 2025
Lead3 ppb (2021–2023)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 888 locations within half a mile, as of December 31, 2025

ProviderMax 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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