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21 Agate Ave, Ossining, NY 10562 Property Records

Westchester County and Ossining Town property record for 21 Agate Ave, Ossining, NY 10562

Property Summary

Property TypeDuplex
Details4 bd · 2 ba · 2,240 sqft · built 1968
Lot Size0.19 acres (8,276 sqft)
OwnerIndividual Name on File
Tax Bill$13,100 (2025)
Deeds & MortgagesJan 2020 Transfer
Dec 2019 Sale
Flood ZoneZone X (minimal risk)
APN554203 97.11-4-50

Property Details

APN / Parcel Number

Primary APN554203 97.11-4-50
Alternative APN
  • 55420300325 062 026

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms10 Rooms
Stories2 Stories
Building Area2,240 sqft Total Area
1st Floor Area1,120 sqft

Exterior

Year BuiltBuilt 1968
Effective Year BuiltEffective 1968
Architectural StyleColonial
Exterior MaterialComposition/Composite
Lot Area8,276 sqft (0.19 acres)
Lot Dimensions175 ft deep x 50 ft wide
Garage TypeBasement
PorchCovered Porch
Porch Area12 sqft
Patio Area91 sqft

Utilities, Heating & Cooling

Heating SystemHot Water
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address21 AGATE AVE
CityOSSINING
StateNY
Zip10562-5920
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Legal SubdivisionMAP OF PROPERTY IN TWON
Legal Block4
Legal Lot Number50.000
JurisdictionWESTCHESTER NY
Township / Civil DivisionOSSINING
Census Block Group3
Census Block3000
Census Tract13304

Owner

Source: Westchester County and Ossining Town records · APN 554203 97.11-4-50

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 RecordIndividual Name on File
Mailing Address3 NAVAJO LN, OSSINING, NY 10562-3813
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Jan 07, 2020Quit Claim Deed, Transfer
JUDICIAL TITLE
Dec 09, 2019Deed, Transfer
JUDICIAL TITLE

Assessor's Deed Record

Deed NamesVerified Name on Deed
Record UpdatedJun 08, 2026

January 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionWESTCHESTER NY
Recording DateJan 07, 2020
Property Address21 AGATE AVE, OSSINING, NY 10562-5920
Document Number0593643447
Book / Page059364 / 003447
Instrument DateJan 03, 2020
Transaction TypeTransfer
Record UpdatedJan 24, 2020
Title CompanyJUDICIAL TITLE

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address3 NAVAJO LN OSSINING NY 105623813, OSSINING, NY 10562-3813

December 2019: Deed, Transfer

Document TypeDeed
JurisdictionWESTCHESTER NY
Recording DateDec 09, 2019
Property Address21 AGATE AVE, OSSINING, NY 10562-5920
Document Number0592333506
Map ReferenceMAP 891
Instrument DateDec 05, 2019
Instrument592333506
Transaction TypeTransfer
Record UpdatedAug 26, 2021
Title CompanyJUDICIAL TITLE

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address3 NAVAJO LN, 3, OSSINING, NY 10562-3813

Transferred To (Grantee/Buyer)

NameVerified Name
Address3 NAVAJO LN, OSSINING, NY 10562-3813

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateNew York
CountyWestchester County
County SubdivisionOssining Town
MunicipalityOssining Village
Unified School DistrictOssining 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.

YearTax BillAssessed ValueAssessed Market Value
2025$13,100.00$601,500 (+4.54%) Land $225,200 Building $376,300$601,500 (+4.54%) Land $225,200 Building $376,300
2024$575,400 (+7.37%) Land $128,600 Building $446,800$575,400 (+7.37%) Land $128,600 Building $446,800
2023$535,900 Land $128,600 Building $407,300$535,900 Land $128,600 Building $407,300

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of September 18, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies5 in force
Nearby Flood Claims6 (1999–2021)
Claims Outside the SFHA6 of 6
Most Recent ClaimSep 2021 · Remnants Of Hurricane Ida

Wildfire

Wildfire RiskNot 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 as of December 31, 2025 · Last verified October 2026

ProviderMax Down / Up (Mbps)
Optimum Communications
Fiber · Cable		8,000 / 8,000
Verizon
Fiber · Fixed Wireless in parts of the area		2,300 / 2,300
Starlink
Satellite		280 / 30

May also be available: T-Mobile USA.

Based on FCC filings for 306 locations within half a mile of this property.

Drinking Water

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

Water SystemOSSINING WATER DEPARTMENT
serves 30,000 people
Water SourceSurface water
Last State InspectionJul 2025
Lead3 ppb (2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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.

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