NY Property Records
439 Beach Ave
439 Beach Ave
Mamaroneck, Village · Westchester County · 10543
$950,800Full market value210 · Residential
Owner of record
OwnerO'Neill Iii, Arthur
AlsoO'Neill Lll, Bernadette
Mailing address439 Beach Ave · Mamaroneck, NY, 10543
Assessment · 2025 roll
Land assessed$467,500
Total assessed$950,800
Full market value$950,800
Building
StyleOld style
Year built1908
Living area2,063 sq ft
Bedrooms2
Full baths2
HeatHot wtr/stm
FuelOil
Lot
Size0.22 acres
Frontage × depth50 × 188 ft
Lot sq ft9,554
Services & districts
WaterComm/public
SewerComm/public
UtilitiesGas & elec
School districtRye Neck (554801)
Deed & identifiers
SBL15403400010210000000
Print key154.34-1-21
SWIS554803
Parcel ID55480315403400010210000000
Who owns 439 Beach Ave?
439 Beach Ave, Mamaroneck, Village is owned by O'Neill Iii, Arthur per the 2025 NYS assessment roll.
Nearby on Beach Ave
Public record, NYS tax roll 2025. Values are the assessor's, not an appraisal. Provided for informational purposes only — accuracy and completeness are not warranted or guaranteed; verify against official sources before relying on it. Disclaimer · Request redaction
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