409 Union Ave, Mount Vernon, NY 10550 Property Records

Westchester County and Mount Vernon City property record for 409 Union Ave, Mount Vernon, NY 10550

Property Summary

Property Type	Duplex
Lot Size	0.1 acres (4,356 sqft)
Owner	Individual Name on File
Last Sale	$520,000 (Jun 2018)
Tax Bill	$22,515 (2026)
Deeds & Mortgages	Sep 2023 Mortgage Jun 2022 Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`550800 169.31-3144-30`

Property Details

APN / Parcel Number

Primary APN	`550800 169.31-3144-30`
Alternative APNs	`080016903131440300000000` `090980`

Exterior

Architectural Style	Duplex Single
Lot Area	4,356 sqft (0.1 acres)

Location & Zoning

Account Number	090980
Street Address	409 UNION AVE
City	MOUNT VERNON
State	NY
Zip	10550-4513
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Legal Subdivision	VILLAGE OF MOUNT VERNON
Legal Block	3144
Legal Lot Number	30.000
Jurisdiction	WESTCHESTER NY
Township / Civil Division	MOUNT VERNON
Census Block Group	1
Census Block	1007
Census Tract	2700

Owner

409 Union Ave, a duplex, is owned and occupied by an individual who bought it in June 2018.

Source: Westchester County and Mount Vernon City records, as of October 21, 2026

Owner of Record	Individual Name on File
Mailing Address	409 UNION AVE, MOUNT VERNON, NY 10550-4513
Occupancy	Owner Occupied
Owner Type	Individual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Sep 21, 2023	Deed of Trust, Mortgage · FHA Mortgage NEWREZ LLC
Jun 7, 2022	Deed of Trust, Mortgage · FHA Mortgage NEWREZ LLC
Jun 14, 2018	Bargain and Sale Deed, Transfer JUDICIAL TITLE INSURANCE
Apr 5, 2017	Quit Claim Deed, Transfer JUDICIAL TITLE INSURANCE AGENCY INC, JUDICIAL TITLE INS AGENCY INC
Apr 5, 2017	Grant Deed, Transfer MILLENNIUM ABSTRACT COMPANY, MILLENNIUM ABSTRACT CO

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 14, 2018 · Amount on File
Deed Sale	Jun 14, 2018 · Amount on File
Prior Sale	Apr 5, 2017 · Amount on File
Deed Document Number	2018581443408
Prior Transfer Date	Oct 4, 1999
Prior Transfer Doc	0124320094
Record Updated	Oct 29, 2026

September 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WESTCHESTER NY
Property Address	409 UNION AVE, MOUNT VERNON, NY 10550-4513
Transaction Type	Mortgage
Record Updated	Oct 5, 2023
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	409 UNION AVE, MOUNT VERNON, NY 10550-4513

Mortgage

Document Number	0632643028
Date	Sep 21, 2023
Instrument	632643028

Lender

Name	NEWREZ LLC
Type	Mortgage Company

Agreement

Type	FHA Mortgage
Amount	Amount on Record
Term	297 Months
Due	Jun 1, 2048

June 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WESTCHESTER NY
Property Address	409 UNION AVE, MOUNT VERNON, NY 10550-4513
Transaction Type	Mortgage
Record Updated	Jun 15, 2022
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	409 UNION AVE, MOUNT VERNON, NY 10550-4513

Mortgage

Document Number	0621583627
Date	Jun 7, 2022
Instrument	621583627

Lender

Name	NEWREZ LLC
Type	Mortgage Company

Agreement

Type	FHA Mortgage
Amount	Amount on Record
Term	312 Months
Due	Jun 1, 2048

June 2018: Bargain and Sale Deed, Transfer

Document Type	Bargain and Sale Deed
Jurisdiction	WESTCHESTER NY
Recording Date	Jun 14, 2018
Property Address	409 UNION AVE, MOUNT VERNON, NY 10550-4513
Document Number	0581443408
Map Reference	MAP144
Instrument Date	May 25, 2018
Instrument	581443408
Transaction Type	Transfer
Record Updated	May 6, 2022
Title Company	JUDICIAL TITLE INSURANCE

Transaction

Amount	Amount on Record
Tax	$2,080.00
Amount Accuracy	Full Amount Stated
Additional	Lis Pendens Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	463 HORTON HWY, 463, WILLISTON PARK, NY 11596-2244

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	108 LIVONIA AVE, BROOKLYN, NY 11212-4493

April 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	WESTCHESTER NY
Recording Date	Apr 5, 2017
Property Address	409 UNION AVE, MOUNT VERNON, NY 10550-4513
Document Number	0570833159
Book / Page	057083 / 003159
Instrument Date	Mar 24, 2017
Transaction Type	Transfer
Record Updated	Mar 13, 2019
Title Company	JUDICIAL TITLE INSURANCE AGENCY INC, JUDICIAL TITLE INS AGENCY INC

Transaction

Tax	$0.00
Additional	Quitclaim Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	463 HORTON HWY WILLISTON PARK NY 115962244, WILLISTON PARK, NY 11596-2244

April 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	WESTCHESTER NY
Recording Date	Apr 5, 2017
Property Address	409 UNION AVE, MOUNT VERNON, NY 10550-4513
Document Number	0570833132
Book / Page	057083 / 003132
Instrument Date	Mar 24, 2017
Transaction Type	Transfer
Record Updated	Mar 13, 2019
Title Company	MILLENNIUM ABSTRACT COMPANY, MILLENNIUM ABSTRACT CO

Transaction

Amount	Amount on Record
Tax	$602.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	463 HORTON HWY WILLISTON PARK NY 115962244, WILLISTON PARK, NY 11596-2244

Tax Assessment & Valuation

The 2026 property tax bill for 409 Union Ave was $22,515, up 137% from the year before.

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	$22,515.00 (+137%)
2025	$9,500.00	$13,100 (-) Land $1,700 Building $11,400	$727,777 (+6.67%) Land $94,444 Building $633,333
2024		$13,100 (-) Land $1,700 Building $11,400	$682,292 (-10.94%) Land $88,542 Building $593,750
2023		$13,100 Land $1,700 Building $11,400	$766,082 Land $99,415 Building $666,667

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

FEMA maps place 409 Union Ave in Zone X, an area of minimal flood risk.

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

The area around 409 Union Ave has no burnable land within ember reach, so its wildfire risk is not rated.

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 839 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: T-Mobile.

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