421 S 10th Ave, Mount Vernon, NY 10550 Property Records

Westchester County and Mount Vernon City property record for 421 S 10th Ave, Mount Vernon, NY 10550

Property Summary

Property Type	Duplex
Lot Size	0.09 acres (3,920 sqft)
Owner	Individual Name on Record
Last Sale	$650,000 (Feb 2026)
Tax Bill	$12,031 (2026)
Deeds & Mortgages	Oct 2022 Line of Credit Feb 2026 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`550800 169.38-3047-31`

Property Details

APN / Parcel Number

Primary APN	`550800 169.38-3047-31`
Alternative APNs	`080016903830470310000000` `066300`

Exterior

Architectural Style	Duplex Single
Lot Area	3,920 sqft (0.09 acres)

Location & Zoning

Account Number	066300
Street Address	421 S 10TH AVE
City	MOUNT VERNON
State	NY
Zip	10550-4303
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Legal Subdivision	MAP OF TWENTY FIVE ACRES OF LAND
Legal Block	3047
Legal Lot Number	31.000
Jurisdiction	WESTCHESTER NY
Township / Civil Division	MOUNT VERNON
Census Block Group	2
Census Block	2005
Census Tract	2800

Owner

Source: Westchester County and Mount Vernon City records, as of October 21, 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	119 S 13TH AVE, MOUNT VERNON, NY 10550-2800
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Oct 17, 2022	Deed of Trust, Mortgage · Line of Credit MUNICIPAL CU
Feb 5, 2026	Bargain and Sale Deed, Transfer · Conventional Mortgage CROSSCOUNTRY MORTGAGE LLC
Mar 30, 2023	Intrafamily Transfer, Transfer TIMIOS INC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Feb 5, 2026 · Amount on Record
Deed Sale	Feb 5, 2026 · Amount on Record
Prior Sale	Apr 23, 2009 · Amount on Record
Deed Document Number	20263281
Prior Transfer Date	Nov 8, 2005
Prior Transfer Doc	0460670320
Record Updated	Oct 29, 2026

October 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WESTCHESTER NY
Property Address	421 S 10TH AVE, MOUNT VERNON, NY 10550-4303
Transaction Type	Mortgage
Record Updated	Feb 17, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0622873496
Date	Oct 17, 2022
Instrument	622873496

Lender

Name	MUNICIPAL CU
Type	Credit Union
Address	NEW YORK, NY 10007

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	350 Months
Due	Dec 25, 2051

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

February 2026: Bargain and Sale Deed, Transfer

Document Type	Bargain and Sale Deed
Jurisdiction	WESTCHESTER NY
Recording Date	Feb 5, 2026
Property Address	421 S 10TH AVE, MOUNT VERNON, NY 10550-4303
Document Number	0660083281
Map Reference	MAP 1267
Instrument Date	Jan 21, 2026
Instrument	660083281
Transaction Type	Transfer
Record Updated	Feb 17, 2026
Title Company	CATIC TITLE INSURANCE COMPANY, CATIC TITLE INSURANCE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$2,600.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	421 S 10TH AVE, MOUNT VERNON, NY 10550-4303

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	119 S 13TH AVE, MOUNT VERNON, NY 10550-2800

Mortgage

Document Number	0660233320
Date	Feb 5, 2026
Instrument	660233320

Lender

Name	CROSSCOUNTRY MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Feb 2, 2056

March 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	WESTCHESTER NY
Recording Date	Mar 30, 2023
Property Address	421 S 10TH AVE, MOUNT VERNON, NY 10550-4303
Document Number	0630883042
Map Reference	MAP 267
Instrument Date	Jan 20, 2021
Instrument	630883042
Transaction Type	Transfer
Record Updated	Apr 7, 2023
Title Company	TIMIOS INC

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

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	$12,031.00 (-10.42%)
2025	$13,431.00	$7,000 (-) Land $1,900 Building $5,100	$388,889 (+6.67%) Land $105,556 Building $283,333
2024		$7,000 (-) Land $1,900 Building $5,100	$364,583 (-10.94%) Land $98,958 Building $265,625
2023		$7,000 Land $1,900 Building $5,100	$409,357 Land $111,111 Building $298,246
2020	$8,937.00

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Claims	1 (2007)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Apr 2007 · Severe Storms And Inland And Coastal Flooding

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.

Wildfire

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

Wildfire Risk	Low lower than 99.1% of the US · lower than 99.2% of New York
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond 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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