43 William St, Ossining, NY 10562 Property Records

Westchester County and Ossining Town property record for 43 William St, Ossining, NY 10562 · Last verified May 2026

Property Summary

Property Type	Triplex
Details	8 bd · 4 ba · 2,868 sqft · built 1865
Lot Size	0.13 acres (5,663 sqft)
Owner	Company Name on File
Last Sale	$103,000 (Jul 2012)
Tax Bill	$9,776 (2025)
Flood Zone	Zone X (minimal risk)
APN	`554203 97.07-4-67`

Property Details

APN / Parcel Number

Primary APN	`554203 97.07-4-67`
Alternative APN	`55420300318 047 014`

Interior

Bedrooms	8 Beds
Full Baths	4 Baths
Total Rooms	20 Rooms
Stories	3 Stories
Building Area	2,868 sqft Total Area
1st Floor Area	956 sqft
Upper Floors Area	956 sqft
Basement Area	600 sqft
Finished Basement	600 sqft
Unfinished Basement	600 sqft

Exterior

Year Built	Built 1865
Effective Year Built	Effective 1865
Architectural Style	Traditional
Exterior Material	Wood
Lot Area	5,663 sqft (0.13 acres)
Lot Dimensions	118 ft deep x 50 ft wide
Garage Type	Detached
Garage Area	280 sqft
Parking Spaces	1 Parking Space
Porch	Covered Porch
Porch Area	644 sqft

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	43 WILLIAM ST
City	OSSINING
State	NY
Zip	10562-5486
Property Category	Residential
Property Type	Residential > Multi-Unit > Triplex
Legal Block	4
Legal Lot Number	67.000
Jurisdiction	WESTCHESTER NY
Township / Civil Division	OSSINING
Census Block Group	2
Census Block	2003
Census Tract	13304

Owner

Source: Westchester County and Ossining Town records · APN 554203 97.07-4-67

Assessment roll updated May 14, 2026 · Last verified May 2026

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

Owner of Record	Company Name on File
Mailing Address	PO BOX 312, BRONXVILLE, NY 10708-0312
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jul 20, 2012 · Amount on Record
Deed Sale	Jul 20, 2012 · Amount on Record
Prior Sale	May 29, 2012 · Amount on Record
Deed Document Number	2012521643258
Record Updated	Jun 08, 2026

Tax Assessment & Valuation

Source: Westchester County and Ossining Town records · Assessment roll updated May 14, 2026 · Last verified May 2026

Property Jurisdictions

Type	Name
State	New York
County	Westchester County
County Subdivision	Ossining Town
Municipality	Ossining Village
Unified School District	Ossining Union Free School District (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$9,776.00	$675,900 (+10.01%) Land $212,200 Building $463,700	$675,900 (+10.01%) Land $212,200 Building $463,700
2024		$614,400 (+7.38%) Land $118,500 Building $495,900	$614,400 (+7.38%) Land $118,500 Building $495,900
2023		$572,200 Land $118,500 Building $453,700	$572,200 Land $118,500 Building $453,700

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Westchester County (36119C), updated September 18, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 361190133042, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Flood Insurance Cost	Premium on Record median of 1 individual NFIP policies nearby
Nearby Flood Policies	1 in force 1 of 1 on primary residences
Nearby Flood Claims	2 (2009–2021)
Claims Outside the SFHA	2 of 2
Most Recent Claim	Sep 2021, river or lake flooding, Remnants Of Hurricane Ida

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond 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.