26 William St, Bethpage, NY 11714 Property Records

Nassau County and Oyster Bay Town property record for 26 William St, Bethpage, NY 11714

Property Summary

Property Type	Duplex
Details	2 ba · 1,752 sqft · built 1938
Lot Size	0.2 acres (8,700 sqft)
Owner	Individual Name on Record
Last Sale	$380,000 (Nov 2002)
Tax Bill	$8,568 (2026)
Deeds & Mortgages	Aug 2026 Transfer Jan 2026 Line of Credit + 1 more
Flood Zone	Zone X (minimal risk)
APN	`49-103-00-0245`

Property Details

APN / Parcel Number

Primary APN	`49-103-00-0245`
Alternative APNs	`2489-49-103-00-0245-0` `49103000245000000000` `282489 49.-103-245` `49103 02450`

Interior

Full Baths	2 Baths
Total Rooms	10 Rooms
Units	2 Units
Stories	2 Stories
Building Area	1,752 sqft Living Area
Gross Area	1,892 sqft
1st Floor Area	864 sqft

Exterior

Year Built	Built 1938
Effective Year Built	Effective 1938
Architectural Style	Old Style
Exterior Material	Frame
Construction Type	Frame
Foundation Type	Block
Roof Material	Other
Lot Area	8,700 sqft (0.2 acres)
Lot Dimensions	170 ft deep x 50 ft wide
Garage Type	Detached
Garage Area	440 sqft
Parking Spaces	2 Parking Spaces
Porch	Slab
Porch Area	140 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	49103 02450
Street Address	26 WILLIAM ST
City	BETHPAGE
State	NY
Zip	11714-4440
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Legal Description	245-246
Legal Block	103
Legal Lot Number	245-2
Jurisdiction	NASSAU NY
Township / Civil Division	OYSTER BAY
Census Block Group	4
Census Block	4017
Census Tract	520002

Owner

Source: Nassau County and Oyster Bay Town records, as of October 13, 2026

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

Owner of Record	Individual Name on Record
Mailing Address	26 WILLIAM ST, BETHPAGE, NY 11714-4440
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Individual(s)

Deeds, Mortgages & Sale History

Date	Document
Aug 3, 2026	Intrafamily Transfer, Transfer Quitclaim
Jan 2, 2026	Deed of Trust, Mortgage · Line of Credit ISLAND FCU
Aug 10, 2020	Deed of Trust, Mortgage · Conventional Mortgage US BANK NA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 18, 2002 · Amount on Record
Deed Sale	Nov 18, 2002 · Amount on Record
Deed Book / Page	11552 / 542
Last Transfer Date	Jul 17, 2026
Transfer Doc	0000051702
Record Updated	Oct 29, 2026

August 2026: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	NASSAU NY
Recording Date	Aug 3, 2026
Property Address	26 WILLIAM ST, BETHPAGE, NY 11714-4440
Document Number	0000051702
Book / Page	14779 / 57
Instrument Date	Jul 17, 2026
Instrument	202651702
Transaction Type	Transfer
Record Updated	Sep 30, 2026

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim Intrafamily Transfer Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	26 WILLIAM ST, BETHPAGE, NY 11714-4440

January 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	NASSAU NY
Property Address	26 WILLIAM ST, BETHPAGE, NY 11714-4440
Transaction Type	Mortgage
Record Updated	Jan 14, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	26 WILLIAM ST 1, 1, BETHPAGE, NY 11714-4440

Mortgage

Document Number	M482770062
Date	Jan 2, 2026
Book Page	M48277/62
Instrument	2026-8

Lender

Name	ISLAND FCU
Type	Credit Union
Address	HAUPPAUGE, NY 11788

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	239 Months
Due	Dec 1, 2045

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

August 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	NASSAU NY
Property Address	26 WILLIAM ST, BETHPAGE, NY 11714-4440
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	TITLEVEST

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0444430093
Date	Aug 10, 2020
Book Page	44443/93
Instrument	2020-071221

Lender

Name	US BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	240 Months
Due	Apr 1, 2040

Interest

Rate Type	Fixed Rate

Tax Assessment & Valuation

Source: Nassau County and Oyster Bay Town assessment roll, as of June 17, 2026

Property Jurisdictions

Type	Name
State	New York
County	Nassau County
County Subdivision	Oyster Bay Town
Unified School District	Bethpage Union Free School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$8,568.00 (-40.4%)	$515 (-) Land $298 Building $217	$515,000 (-)
2025	$14,376.00 (-1.67%)	$515 (-) Land $298 Building $217	$515,000 (-)
2023	$14,620.00 Additional exemption filed	$515 Land $298 Building $217	$515,000

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

Source: FEMA National Flood Hazard Layer, effective April 5, 2023

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within 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 System	BETHPAGE WD serves 33,000 people · EPA ID NY2902817
Water Source	Groundwater
Last State Inspection	Jul 2025
Lead	Under 1 ppb (2021–2023) action level 15 ppb

Violations Reported to EPA

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.

Internet Providers

Source: FCC Broadband Data Collection, based on 714 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Fiber · Cable	8,000 / 8,000
Verizon Fiber · Fixed Wireless in parts of the area	2,300 / 2,300

May also be available: T-Mobile.

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