55 William St, Valley Stream, NY 11580 Property Records

Nassau County and Hempstead Town property record for 55 William St, Valley Stream, NY 11580 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bathrooms	2 Baths
Year Built	Built 1941
Square Footage	1,389 sqft Living Area
Lot Size	4,000 sqft (0.092 acres)
Garage	Detached, 252 sqft
Occupancy	Owner Occupied
Last Sale	$212,000 (2000)
Tax Bill	$11,765.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`37-485-00-0011`
Alternative APNs	`2089-37-485-00-0011-0` `37485000011000000000` `282089 37.-485-11` `37485 00110`

Interior

Full Baths	2 Baths
Total Rooms	7 Rooms
Building Area	1,389 sqft Living Area
1st Floor	926 sqft 1st Floor
Stories	1 Stories

Exterior

Year Built	Built 1941
Effective Year Built	Effective 1941
Architectural Style	Cape Cod Style
Exterior Material	Brick/Stone (Brick and/or Stone) Exterior
Construction Type	Frame Construction
Roof Material	Other (not Classified) Roof
Lot Area	4,000 sqft (0.092 acres)
Depth X Width	100 ft x 40 ft Depth x Width
Parking Spaces	1 Parking Spaces
Garage Type	Detached Garage
Garage Area	252 sqft Garage
Patio Area	292 sqft Patio

Utilities and HVAC

Cooling System	Central Cooling
Heating System	Central Heating
Heating Fuel	Oil Heating Fuel
Sewage	Municipal Sewage
Water Source	Commercial Water Source

Location & Zoning

Account Number	37485 00110
Street Address	55 WILLIAM ST
City	VALLEY STREAM
State	NY
Zip	11580-1029
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	11-12
Legal Block	485
Legal Lot Number	11-12
Jurisdiction	NASSAU NY
Minor Civil Division	HEMPSTEAD
Census Blockgroup	6
Census Block	6002
Census Tract	409900

Owner

Source: Nassau County and Hempstead Town records · APN 37-485-00-0011

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 Record	Individual Name on File
Mailing Address	55 WILLIAM ST, VALLEY STREAM, NY 11580-1029
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jun 28, 2000 · Amount on Record
Deed Sale	Jun 28, 2000 · Amount on Record
Deed Book / Page	11219 / 925
Record Refreshed	Sep 20, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	New York
County	Nassau County
County Subdivision	Hempstead Town
Elementary School District	Elmont Union Free School District (PK - 06)
Secondary School District	Sewanhaka 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.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$428 (-6.14%) Land $184 Building $244	$428,000 (-6.14%)
2025	$11,765.00 (+25.45%)
2023	$9,378.00 Homeowner's exemption	$456 Land $196 Building $260	$456,000