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23 William St, Valley Stream, NY 11580 Property Records

Nassau County and Hempstead Town property record for 23 William St, Valley Stream, NY 11580 · Last verified June 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bathrooms2 Baths
Year BuiltBuilt 1939
Square Footage1,177 sqft Living Area
Lot Size5,250 sqft (0.121 acres)
GarageDetached, 209 sqft
OccupancyOwner Occupied
Last Sale$537,000 (2023)
Tax Bill$9,412.00 (2025)

Property Details

APN / Parcel Number

Primary APN37-485-00-0229
Alternative APNs
  • 2089-37-485-00-0229-0
  • 37485000229000000000
  • 282089 37.-485-229
  • 37485 02290

Interior

Full Baths2 Baths
Total Rooms6 Rooms
Building Area1,177 sqft Living Area
Gross Area1,245 sqft Gross Area
1st Floor792 sqft 1st Floor
Basement Area68 sqft Basement
Game RoomGame Room
Stories1 Stories

Exterior

Year BuiltBuilt 1939
Effective Year BuiltEffective 1939
Architectural StyleCape Cod Style
Exterior MaterialBrick/Stone (Brick and/or Stone) Exterior
Construction TypeFrame Construction
Roof MaterialOther (not Classified) Roof
Lot Area5,250 sqft (0.121 acres)
Depth X Width127 ft x 42 ft Depth x Width
Parking Spaces1 Parking Spaces
Garage TypeDetached Garage
Garage Area209 sqft Garage
Patio Area288 sqft Patio

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemCentral Heating
Heating FuelOil Heating Fuel
SewageMunicipal Sewage
Water SourceCommercial Water Source

Location & Zoning

Account Number37485 02290
Street Address23 WILLIAM ST
CityVALLEY STREAM
StateNY
Zip11580-1029
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionTOWN #1 SCH DIST 016
Legal SubdivisionMAP OF LAURELTON PARKWAY MANOR
Legal Block485
Legal Lot Number229-2
JurisdictionNASSAU NY
Minor Civil DivisionHEMPSTEAD
Census Blockgroup6
Census Block6002
Census Tract409900

Owner

Source: Nassau County and Hempstead Town records · APN 37-485-00-0229

Assessment roll updated June 17, 2026 · Last verified June 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Company Names on File
Mailing Address206 HILL AVE, ELMONT, NY 11003-3003
OccupancyOwner Occupied
Owner TypeOwner is a Company
VestingHusband And Wife

Deeds, Mortgages & Sale History

DateDocument
Jan 24, 2023Bargain and Sale Deed, Transfer · Conventional Mortgage
UNITED WHOLESALE MORTGAGE
Feb 26, 2020Bargain and Sale Deed, Transfer
JUDICIAL TITLE
Oct 24, 2019Grant Deed, Transfer
NOT AVAILABLE

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleJan 24, 2023 · Amount on Record
Deed SaleJan 24, 2023 · Amount on Record
Prior SaleFeb 26, 2020 · Amount on Record
Deed Doc Number20235257
Deed Book / Page14343 / 413
Record RefreshedSep 20, 2026

January 2023: Bargain and Sale Deed, Transfer

Document TypeBargain and Sale Deed
JurisdictionNASSAU NY
Recording DateJan 24, 2023
Property Address23 WILLIAM ST, VALLEY STREAM, NY 11580-1029
Document NumberD143430413
Book / PageD14343 / 413
Map ReferenceMAP 3861
Instrument DateJan 05, 2023
Instrument2023-5257
Transaction TypeTransfer
Record UpdatedJan 30, 2023
Title CompanySTEWART TITLE, STEWART TITLE INSURANCE CO

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$2,148.00
Amount AccuracyFull Amount Stated
Additional
  • Arms Length Transaction
  • Multiple parcels conveyed, unknown impact to APN

Transferred From (Grantor/Seller)

NameVerified Name
Address23 WILLIAM ST, VALLEY STREAM, NY 11580-1029

Transferred To (Grantee/Buyer)

NameVerified Name
Address206 HILL AVE, ELMONT, NY 11003-3003

Mortgage

Document Number0020235258
DateJan 24, 2023
Instrument2023-5258
Lender
NameUNITED WHOLESALE MORTGAGE
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueFeb 01, 2053

February 2020: Bargain and Sale Deed, Transfer

Document TypeBargain and Sale Deed
JurisdictionNASSAU NY
Recording DateFeb 26, 2020
Property Address23 WILLIAM ST, VALLEY STREAM, NY 11580-1029
Document Number0139170915
Book / Page13917 / 915
Map ReferenceMAP 3861
Instrument DateFeb 10, 2020
Instrument2020-020183
Transaction TypeTransfer
Record UpdatedMay 14, 2021
Title CompanyJUDICIAL TITLE

Transaction

AmountAmount Recorded
Tax$1,916.00
Amount AccuracyCalculated from Tax
Additional
  • Arms Length Transaction
  • Multiple parcels conveyed, unknown impact to APN

Transferred From (Grantor/Seller)

NameVerified Name
Address633 PEARL ST, 633, OCEANSIDE, NY 11572-1828

Transferred To (Grantee/Buyer)

NameVerified Name
Address76 S MONTGOMERY ST, VALLEY STREAM, NY 11580-5303

October 2019: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionNASSAU NY
Recording DateOct 24, 2019
Property Address23 WILLIAM ST, VALLEY STREAM, NY 11580-1029
Document Number0138670318
Book / Page013867 / 000318
Instrument DateSep 09, 2019
Instrument93665
Transaction TypeTransfer
Record UpdatedNov 11, 2019
Title CompanyNOT AVAILABLE

Transaction

AmountAmount Recorded
Tax$1,599.60
Amount AccuracyConfirmed
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address633 PEARL ST OCEANSIDE NY 115721828, OCEANSIDE, NY 11572-1828

Tax Assessment & Valuation

Source: Nassau County and Hempstead Town records · Assessment roll updated June 17, 2026 · Last verified June 2026

Property Jurisdictions

TypeName
StateNew York
CountyNassau County
County SubdivisionHempstead Town
Elementary School DistrictElmont Union Free School District (PK - 06)
Secondary School DistrictSewanhaka Central High School District (07 - 12)

Tax Bill & Assessment History

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.

YearTax BillAssessed ValueAssessed Market Value
2026$354 (-16.51%) Land $176 Building $178$354,000 (-16.51%)
2025$9,412.00 (-13.7%)
2023$10,906.00 Additional exemption filed$424 Land $224 Building $200$424,000

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