447 S 3rd Ave, Mount Vernon, NY 10550 Property Records

Westchester County and Mount Vernon City property record for 447 S 3rd Ave, Mount Vernon, NY 10550

Property Summary

Property Type	Duplex
Lot Size	0.12 acres (5,227 sqft)
Owner	2 Individual Names on Record
Last Sale	$325,000 (Aug 2009)
Tax Bill	$18,390 (2026)
Deeds & Mortgages	Dec 2020 Transfer
Flood Zone	Zone X (minimal risk)
APN	`550800 169.39-3116-22`

Property Details

APN / Parcel Number

Primary APN	`550800 169.39-3116-22`
Alternative APNs	`080016903931160220000000` `085400`

Exterior

Architectural Style	Duplex Single
Lot Area	5,227 sqft (0.12 acres)

Location & Zoning

Account Number	085400
Street Address	447 S 3RD AVE
City	MOUNT VERNON
State	NY
Zip	10550-4507
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Legal Subdivision	VILLAGE OF MOUNT VERNON
Legal Block	3116
Legal Lot Number	22.000
Jurisdiction	WESTCHESTER NY
Township / Civil Division	MOUNT VERNON
Census Block Group	2
Census Block	2006
Census Tract	2700

Owner

Source: Westchester County and Mount Vernon City records, as of October 21, 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 Record
Mailing Address	447 S 3RD AVE, MOUNT VERNON, NY 10550-4507
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 19, 2009 · Amount on Record
Deed Sale	Aug 19, 2009 · Amount on Record
Deed Document Number	2009492150465
Last Transfer Date	Aug 25, 2015
Transfer Doc	0552053429
Record Updated	Oct 29, 2026

December 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	WESTCHESTER NY
Recording Date	Dec 21, 2020
Property Address	447 S 3RD AVE, MOUNT VERNON, NY 10550-4507
Document Number	0603233707
Map Reference	MAP 144
Instrument Date	Nov 18, 2020
Instrument	603233707
Transaction Type	Transfer
Record Updated	May 6, 2022
Title Company	RECORD AND RETURN TITLE AGCY

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	447 S 3RD AVE, 447, MOUNT VERNON, NY 10550-4507

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	447 S 3RD AVE, MOUNT VERNON, NY 10550-4507

Tax Assessment & Valuation

Source: Westchester County and Mount Vernon City assessment roll, as of May 14, 2026

Property Jurisdictions

Type	Name
State	New York
County	Westchester County
Municipality	Mount Vernon City
Unified School District	Mount Vernon School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$18,390.00 (+24.75%)
2025	$14,741.00	$10,700 (-) Land $2,000 Building $8,700	$594,444 (+6.67%) Land $111,111 Building $483,333
2024		$10,700 (-) Land $2,000 Building $8,700	$557,292 (-10.94%) Land $104,167 Building $453,125
2023		$10,700 Land $2,000 Building $8,700	$625,731 Land $116,959 Building $508,772

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 September 18, 2026

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	MOUNT VERNON WATER DEPARTMENT serves 73,893 people · EPA ID NY5903441
Water Source	Purchased surface water from several systems
Last State Inspection	Jul 2025
Lead	7 ppb (2025–2027) 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 966 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Verizon Fiber · Fixed Wireless in parts of the area	2,300 / 2,300
Spectrum Cable	1,000 / 1,000

May also be available: Optimum, T-Mobile.

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