NY Property Records
527 Jefferson Ave
527 Jefferson Ave
Mamaroneck, Village · Westchester County · 10543
$737,600Full market value210 · ResidentialSold $575,000 · Nov 2025
Owner of record
OwnerPonticello Khayyam J
AlsoPonticello, Nicole M
Mailing address527 Jefferson Ave · Mamaroneck, NY, 10543
Assessment · 2025 roll
Land assessed$293,900
Total assessed$737,600
Full market value$737,600
Building
StyleOld style
Year built1910
Living area1,864 sq ft
Bedrooms3
Full baths1
HeatHot wtr/stm
FuelOil
Lot
Size0.16 acres
Frontage × depth50 × 138 ft
Lot sq ft7,017
Services & districts
WaterComm/public
SewerComm/public
UtilitiesGas & elec
School districtRye Neck (554801)
Recorded sales · 1
Deed$575,000Nov 6, 2025
seller KHAYYAM J PONTICELLO
buyer 22 RIDGE BOULEVARD LLC
Liber 65304, page 3515
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page65304 / 3515
SBL15403400020070000000
Print key154.34-2-7
SWIS554803
Parcel ID55480315403400020070000000
Who owns 527 Jefferson Ave?
527 Jefferson Ave, Mamaroneck, Village is owned by Ponticello Khayyam J per the 2025 NYS assessment roll. It last sold for $575,000 in Nov 2025.
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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