450 E 4th St, Mount Vernon, NY 10553 Property Records

Westchester County and Mount Vernon City property record for 450 E 4th St, Mount Vernon, NY 10553

Property Summary

Property TypeSingle Family Home
Lot Size0.11 acres (4,792 sqft)
OwnerIndividual Name on Record
Last Sale$390,000 (Apr 2008)
Tax Bill$17,555 (2026)
Deeds & MortgagesOct 2017 Loan Modification
Flood ZoneZone X (minimal risk)
APN550800 165.82-4050-1

Property Details

APN / Parcel Number

Primary APN550800 165.82-4050-1
Alternative APNs
  • 080016508240500010000000
  • 103950

Exterior

Lot Area4,792 sqft (0.11 acres)

Location & Zoning

Account Number103950
Street Address450 E 4TH ST
CityMOUNT VERNON
StateNY
Zip10553-1609
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal SubdivisionMOUNT VERNON HEIGHTS
Legal Block4050
Legal Lot Number1.000
JurisdictionWESTCHESTER NY
Township / Civil DivisionMOUNT VERNON
Census Block Group4
Census Block4002
Census Tract3400

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 RecordIndividual Name on Record
Mailing Address450 E 4TH ST, MOUNT VERNON, NY 10553-1609
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleApr 2, 2008 · Amount on Record
Deed SaleApr 2, 2008 · Amount on Record
Deed Document Number2008480790262
Record UpdatedOct 29, 2026

October 2017: Loan Modification, Mortgage

Document TypeLoan Modification
JurisdictionWESTCHESTER NY
Property Address450 E 4TH ST, MOUNT VERNON, NY 10553-1609
Document Number0573053435
Instrument DateOct 12, 2017
Transaction TypeMortgage
Record UpdatedFeb 27, 2018
Title CompanySERVICELINK

Transferred To (Grantee/Buyer)

NameVerified Name
Address450 E 4TH ST MOUNT VERNON NY 105531609, MOUNT VERNON, NY 10553-1609

Mortgage

Document Number0573053435
DateFeb 16, 2018
Book Page057305/003435
Lender
NameMR COOPER
AddressDALLAS, TX 75019
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueFeb 15, 2048
Interest
Rate TypeAdjustable Rate
Rate4.5%

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateNew York
CountyWestchester County
MunicipalityMount Vernon City
Unified School DistrictMount Vernon School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$17,555.00 (+46.82%) Homeowner's exemption
2025$11,957.00$11,000 (-) Land $2,700 Building $8,300$611,111 (+6.67%) Land $150,000 Building $461,111
2024Homeowner's exemption$11,000 (-) Land $2,700 Building $8,300$572,917 (-10.94%) Land $140,625 Building $432,292
2023$11,000 Land $2,700 Building $8,300$643,275 Land $157,895 Building $485,380

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 ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Claims3 (1979)
Most Recent ClaimSep 1979 · tidal / storm surge

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 RiskNot 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 SystemMOUNT VERNON WATER DEPARTMENT
serves 73,893 people · EPA ID NY5903441
Water SourcePurchased surface water from several systems
Last State InspectionJul 2025
Lead7 ppb (2025–2027)
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, 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 524 locations within half a mile, as of December 31, 2025

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

May also be available: Optimum, T-Mobile.

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