33 William St, Ossining, NY 10562 Property Records

Westchester County and Ossining Town property record for 33 William St, Ossining, NY 10562 · Last verified May 2026

Property Highlights

Property Type	Residential > Multi-Unit > Duplex
Bedrooms	5 Beds
Bathrooms	2.5 Baths
Year Built	Built 1892
Square Footage	2,444 sqft Total Area
Lot Size	3,485 sqft (0.08 acres)
Occupancy	Owner Occupied
Last Sale	$385,000 (2021)
Tax Bill	$10,652.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`554203 97.07-4-76`
Alternative APN	`55420300318 046 015`

Interior

Bedrooms	5 Beds
Full Baths	2.5 Baths
Partial Baths	1 Partial Baths
Total Rooms	10 Rooms
Building Area	2,444 sqft Total Area
1st Floor	990 sqft 1st Floor
Upper Floors	682 sqft Upper Floors
Stories	3 Stories
Fireplace	Fireplace
Fireplaces	1 Fireplaces

Exterior

Year Built	Built 1892
Effective Year Built	Effective 1892
Architectural Style	Traditional Style
Exterior Material	Composition/Composite Exterior
Lot Area	3,485 sqft (0.08 acres)
Depth X Width	94 ft x 38 ft Depth x Width
Porch	Open Porch
Porch Area	302 sqft Porch

Utilities and HVAC

Heating System	Hot Water Heating
Heating Fuel	Oil Heating Fuel
Sewage	Municipal Sewage
Water Source	Commercial Water Source

Location & Zoning

Street Address	33 WILLIAM ST
City	OSSINING
State	NY
Zip	10562-5528
Property Usage	Residential Property Usage
Type	Residential > Multi-Unit > Duplex
Legal Block	4
Legal Lot Number	76.000
Jurisdiction	WESTCHESTER NY
Minor Civil Division	OSSINING
Census Blockgroup	2
Census Block	2004
Census Tract	13304

Owner

Source: Westchester County and Ossining Town records · APN 554203 97.07-4-76

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	2 Individual Names on File
Mailing Address	33 WILLIAM ST, OSSINING, NY 10562-5528
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Feb 23, 2021 · Amount on Record
Deed Sale	Feb 23, 2021 · Amount on Record
Prior Sale	Feb 23, 2021 · Amount on Record
Deed Doc Number	2021610343339
Record Refreshed	Jun 08, 2026

February 2021: Deed, Transfer

Document Type	Deed
Jurisdiction	WESTCHESTER NY
Recording Date	Feb 23, 2021
Property Address	33 WILLIAM ST, OSSINING, NY 10562-5528
Document Number	0610343339
Instrument Date	Feb 02, 2021
Instrument	610343339
Transaction Type	Transfer
Record Updated	Mar 31, 2026
Title Company	RECORD & RETURN TITLE AGENCY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$1,540.00
Amount Accuracy	Full Amount Stated
Additional	Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name
Address	33 WILLIAM ST, OSSINING, NY 10562-5528

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0610533986
Date	Feb 23, 2021
Instrument	610533986

Lender

Name	QUONTIC BANK FSB
Type	Bank
Address	NEW YORK, NY 10020

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Mar 01, 2051

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	$10,652.00	$617,600 (+36.88%) Land $197,400 Building $420,200	$617,600 (+36.88%) Land $197,400 Building $420,200
2024		$451,200 (+7.38%) Land $106,700 Building $344,500	$451,200 (+7.38%) Land $106,700 Building $344,500
2023		$420,200 (+7.97%) Land $106,700 Building $313,500	$420,200 (+7.97%) Land $106,700 Building $313,500
2022		$389,200 Land $106,700 Building $282,500	$389,200 Land $106,700 Building $282,500

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Westchester County (36119C), updated September 18, 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
Flood Hazard	Minimal
500-Year Floodplain	No
Special Flood Hazard Area	No

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; lenders make the official flood determination.