159 William St, Valley Stream, NY 11580 Property Records

Nassau County and Hempstead Town property record for 159 William St, Valley Stream, NY 11580

Property Summary

Property Type	Single Family Home
Details	2 ba · 1,414 sqft · built 1951
Lot Size	0.152 acres (6,600 sqft)
Owner	2 Individual Names on File
Last Sale	$220,000 (Jul 1999)
Tax Bill	$9,375 (2025)
Deeds & Mortgages	Oct 2017 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`37-297-00-0163`

Property Details

APN / Parcel Number

Primary APN	`37-297-00-0163`
Alternative APNs	`2035-37-297-00-0163-0` `37297000163000000000` `282035 37.-297-163` `37297 01630`

Interior

Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,414 sqft Living Area
1st Floor Area	936 sqft

Exterior

Year Built	Built 1951
Effective Year Built	Effective 1951
Architectural Style	Cape Cod
Exterior Material	Brick/Stone
Construction Type	Frame
Roof Material	Other
Lot Area	6,600 sqft (0.152 acres)
Lot Dimensions	100 ft deep x 80 ft wide
Garage Type	Detached
Garage Area	280 sqft
Parking Spaces	1 Parking Space
Patio Area	250 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	37297 01630
Street Address	159 WILLIAM ST
City	VALLEY STREAM
State	NY
Zip	11580-3603
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	163-165
Legal Subdivision	MAP OF PROPERTY VALLEY STREAM
Legal Block	297
Legal Lot Number	163-1
Jurisdiction	NASSAU NY
Township / Civil Division	HEMPSTEAD
Census Block Group	3
Census Block	3002
Census Tract	410300

Owner

Source: Nassau County and Hempstead Town assessment roll, APN 37-297-00-0163, as of 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	2 Individual Names on File
Mailing Address	159 WILLIAM ST, VALLEY STREAM, NY 11580-3603
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jul 14, 1999 · Amount on Record
Deed Sale	Jul 14, 1999 · Amount on Record
Deed Document Number	19992668
Deed Book / Page	11078 / 340
Record Updated	Sep 20, 2026

October 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	NASSAU NY
Property Address	159 WILLIAM ST, VALLEY STREAM, NY 11580-3603
Document Number	0425680865
Instrument Date	Oct 21, 2017
Transaction Type	Mortgage
Record Updated	Aug 29, 2018

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	159 WILLIAM ST VALLEY STREAM NY 115803603, VALLEY STREAM, NY 11580-3603

Mortgage

Document Number	0425680865
Date	Dec 15, 2017
Book Page	042568/000865
Instrument	125343

Lender

Name	BETHPAGE FCU
Type	Credit Union
Address	BETHPAGE, NY 11714

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Dec 14, 2047

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

Source: Nassau County and Hempstead Town assessment roll as of June 17, 2026 · Last verified June 2026

Property Jurisdictions

Type	Name
State	New York
County	Nassau County
County Subdivision	Hempstead Town
Municipality	Valley Stream Village
Elementary School District	Valley Stream Union Free School District 30 (PK - 06)
Secondary School District	Valley Stream 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		$488 (-) Land $216 Building $272	$488,000 (-)
2025	$9,375.00 (-1.18%)
2023	$9,487.00 Homeowner's exemption	$488 Land $216 Building $272	$488,000

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Nassau County (36059C), as of April 5, 2023 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 360594103003, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	2 in force

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection, 993 locations within half a mile, as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Optimum Communications Fiber · Cable	8,000 / 8,000
Verizon Fiber · Fixed Wireless in parts of the area	2,300 / 2,300
T-Mobile USA Fixed Wireless	100 / 20

Drinking Water

Source: EPA Safe Drinking Water Information System, water system NY2902835, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	LIBERTY UTILITIES NEW YORK - LYNBROOK private · serves 220,000 people
Water Source	Groundwater
Last State Inspection	Jul 2023
Lead	5 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	Corrosion control Jul 2025
Monitoring and Reporting	None last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.