NY Property Records
421 Jefferson Ave
421 Jefferson Ave
Mamaroneck, Village · Westchester County · 10543
$904,900Full market value220 · Residential
Owner of record
OwnerLaise, Mario
AlsoLaise, Marisa
Mailing address421 Jefferson Ave · Mamaroneck, NY, 10543
Assessment · 2025 roll
Land assessed$293,900
Total assessed$904,900
Full market value$904,900
Building
StyleOld style
Year built1921
Living area2,964 sq ft
Bedrooms6
Full baths2
HeatHot wtr/stm
FuelGas
Lot
Size0.16 acres
Frontage × depth50 × 137 ft
Lot sq ft6,985
Services & districts
WaterComm/public
SewerComm/public
UtilitiesGas & elec
School districtRye Neck (554801)
Deed & identifiers
SBL15403400010530000000
Print key154.34-1-53
SWIS554803
Parcel ID55480315403400010530000000
Who owns 421 Jefferson Ave?
421 Jefferson Ave, Mamaroneck, Village is owned by Laise, Mario per the 2025 NYS assessment roll.
Nearby on Jefferson 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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