NY Property Records
121 Prospect Ave
121 Prospect Ave
Mamaroneck, Village · Westchester County · 10543
$3,400,000Full market value481 · Commercial
Owner of record
OwnerJohn Porzio & Associates
Mailing addressPO Box 254 · White Plains, NY, 10605
Assessment · 2025 roll
Land assessed$450,000
Total assessed$3,400,000
Full market value$3,400,000
Building
UseRow apt
Year built1940
Lot
Size0.15 acres
Services & districts
WaterComm/public
SewerComm/public
UtilitiesGas & elec
School districtMamaroneck (553201)
Deed & identifiers
SBL00900703220000000000
Print key9-7-322
SWIS553203
Parcel ID55320300900703220000000000
Who owns 121 Prospect Ave?
121 Prospect Ave, Mamaroneck, Village is owned by John Porzio & Associates per the 2025 NYS assessment roll.
Nearby on Prospect 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
Search by name or address · Browse all records