NY Property Records
300 Mamaroneck Ave
300 Mamaroneck Ave
White Plains · Westchester County
411 · CommercialSold $450,000 · Dec 2025
Owner of record
OwnerStaffiero, John M
Mailing address300 MAMARONECK AVE, 715 · WHITE PLAINS, NY, 10605
Assessment · 2025 roll
Land assessed$1,920
Total assessed$4,912
Est. annual tax$5,456 (2024, excl. special districts)
Lot
Size3.79 acres (GIS)
Frontage × depth1 × 1 ft
Services & districts
WaterUnknown
SewerComm/public
UtilitiesUnknown
School districtWhite Plains (551700)
Recorded sales · 1
Deed$450,000Dec 17, 2025
seller JOHN M STAFFIERO
buyer ZHIWEN LI
Liber 65350, page 3450
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page49321 / 807
SBL13002800120020000180
Print key130.28-12-2..180
SWIS551700
Parcel ID55170013002800120020000180
Who owns 300 Mamaroneck Ave?
300 Mamaroneck Ave, White Plains is owned by Staffiero, John M per the 2025 NYS assessment roll. It last sold for $450,000 in Dec 2025.
Nearby on Mamaroneck 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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