209 E Prospect Ave, Mount Vernon, NY 10550 Property Records

Westchester County and Mount Vernon City property record for 209 E Prospect Ave, Mount Vernon, NY 10550

Property Summary

Property TypeDuplex
Lot Size0.06 acres (2,614 sqft)
OwnerCompany Name on File
Last Sale$189,000 (Dec 1994)
Tax Bill$26,862 (2025)
Flood ZoneZone X (minimal risk)
APN550800 165.63-1146-8

Property Details

APN / Parcel Number

Primary APN550800 165.63-1146-8
Alternative APNs
  • 080016506311460080000000
  • 025980

Exterior

Architectural StyleDuplex Single
Lot Area2,614 sqft (0.06 acres)

Location & Zoning

Account Number025980
Street Address209 E PROSPECT AVE
CityMOUNT VERNON
StateNY
Zip10550-2372
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Legal Block1146
Legal Lot Number8.000
JurisdictionWESTCHESTER NY
Township / Civil DivisionMOUNT VERNON
Census Block Group1
Census Block1001
Census Tract4001

Owner

Source: Westchester County and Mount Vernon City assessment roll, APN 550800 165.63-1146-8, as of May 14, 2026 · Last verified August 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordCompany Name on File
Mailing Address413 S COLUMBUS AVE, MOUNT VERNON, NY 10553-1918
Owner TypeCompany
VestingTrust, Irrevocable Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleDec 29, 1994 · Amount on Record
Deed SaleDec 29, 1994 · Amount on Record
Deed Book / Page11047 / 139
Last Transfer DateMar 25, 2024
Transfer Doc0000003324
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

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.

YearTax BillAssessed ValueAssessed Market Value
2025$26,862.00$8,000 (-) Land $1,500 Building $6,500$444,444 (+6.67%) Land $83,333 Building $361,111
2024$8,000 (-) Land $1,500 Building $6,500$416,667 (-10.94%) Land $78,125 Building $338,542
2023$8,000 Land $1,500 Building $6,500$467,836 Land $87,719 Building $380,117

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Westchester County (36119C), as of September 18, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Wildfire

Wildfire RiskNot rated
no burnable land within ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection, 656 locations within half a mile, as of December 31, 2025 · Last verified October 2026

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
T-Mobile USA
Fixed Wireless
100 / 20

Drinking Water

Source: EPA Safe Drinking Water Information System, water system NY5903441, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water SystemMOUNT VERNON WATER DEPARTMENT
serves 73,893 people
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 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.

Nearby Properties on E Prospect Ave

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