320 Union Ave, Mount Vernon, NY 10550 Property Records

Westchester County and Mount Vernon City property record for 320 Union Ave, Mount Vernon, NY 10550

Property Summary

Property TypeSingle Family Home
Lot Size0.06 acres (2,614 sqft)
OwnerIndividual Name on File
Last Sale$560,000 (Oct 2025)
Tax Bill$13,062 (2026)
Deeds & MortgagesOct 2025 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN550800 169.23-3127-38

Property Details

APN / Parcel Number

Primary APN550800 169.23-3127-38
Alternative APNs
  • 080016902331270380000000
  • 088960

Exterior

Lot Area2,614 sqft (0.06 acres)

Location & Zoning

Account Number088960
Street Address320 UNION AVE
CityMOUNT VERNON
StateNY
Zip10550-4544
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal Block3127
Legal Lot Number38.000
JurisdictionWESTCHESTER NY
Township / Civil DivisionMOUNT VERNON
Census Block Group1
Census Block1009
Census Tract2700

Owner

320 Union Ave is owned and occupied by an individual who bought it in October 2025.

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

Owner of RecordIndividual Name on File
Mailing Address320 UNION AVE, MOUNT VERNON, NY 10550-4544
OccupancyOwner Occupied
Owner TypeIndividual

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

Assessor's Deed Record

Deed NamesName on Deed
Last SaleOct 27, 2025 · Amount on File
Deed SaleOct 27, 2025 · Amount on File
Deed Document Number20253788
Record UpdatedOct 29, 2026

October 2025: Administrator's Deed, Transfer

Document TypeAdministrator's Deed
JurisdictionWESTCHESTER NY
Recording DateOct 27, 2025
Property Address320 UNION AVE, MOUNT VERNON, NY 10550-4544
Document Number0652233788
Map ReferenceMAP 144
Instrument DateOct 6, 2025
Instrument652233788
Transaction TypeTransfer
Record UpdatedApr 3, 2026
Title CompanyRECORD AND RETURN TITLE AGENCY, RECORD AND RETURN TITLE AGCY

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$2,240.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address320 UNION AVE, MOUNT VERNON, NY 10550-4544

Transferred To (Grantee/Buyer)

NameVerified Name
Address320 UNION AVE, MOUNT VERNON, NY 10550-4544

Mortgage

Document Number0652893315
DateOct 27, 2025
Instrument652893315
Lender
NameQUONTIC BANK FSB
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueNov 1, 2055

Tax Assessment & Valuation

The 2026 property tax bill for 320 Union Ave was $13,062, up 22.7% from the year before.

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$13,062.00 (+22.69%)
2025$10,646.00$7,600 (-) Land $1,400 Building $6,200$422,222 (+6.67%) Land $77,778 Building $344,444
2024$7,600 (-) Land $1,400 Building $6,200$395,834 (-10.94%) Land $72,917 Building $322,917
2023$7,600 Land $1,400 Building $6,200$444,444 Land $81,871 Building $362,573
2020$11,402.00

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

FEMA maps place 320 Union Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective September 18, 2026

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

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

Wildfire

The area around 320 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 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 839 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
1,000 / 1,000

May also be available: T-Mobile.

Nearby Properties on Union Ave

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