NY Property Records
1401 Sunnyside Ave
1401 Sunnyside Ave
Mamaroneck, Village · Westchester County · 10543
$942,100Full market value210 · Residential
Owner of record
OwnerKilleen William
AlsoKilleen, Anna
Mailing address1401 Sunnyside Ave · Mamaroneck, NY, 10543
Assessment · 2025 roll
Land assessed$406,100
Total assessed$942,100
Full market value$942,100
Building
StyleRanch
Year built1950
Living area1,543 sq ft
Bedrooms3
Full baths2
HeatHot wtr/stm
FuelGas
Lot
Size0.17 acres
Lot sq ft7,596
Services & districts
WaterComm/public
SewerComm/public
UtilitiesGas & elec
School districtRye Neck (554801)
Deed & identifiers
Deed book / page53164 / 3193
SBL15502900010400000000
Print key155.29-1-40
SWIS554803
Parcel ID55480315502900010400000000
Who owns 1401 Sunnyside Ave?
1401 Sunnyside Ave, Mamaroneck, Village is owned by Killeen William per the 2025 NYS assessment roll.
Nearby on Sunnyside 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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