NY Property Records
518 Prospect Ave
518 Prospect Ave
Mamaroneck, Village · Westchester County · 10543
$961,000Full market value210 · ResidentialSold $608,000 · Aug 2018
Owner of record
OwnerRafferty, Brian
AlsoRafferty, Helen
Mailing address522 Prospect Ave · Mamaroneck, NY, 10543
Assessment · 2025 roll
Land assessed$161,000
Total assessed$961,000
Full market value$961,000
Building
StyleOld style
Year built1910
Living area1,944 sq ft
Bedrooms4
Full baths2
HeatHot wtr/stm
FuelOil
Lot
Size0.11 acres
Frontage × depth50 × 100 ft
Services & districts
WaterComm/public
SewerComm/public
UtilitiesGas & elec
School districtMamaroneck (553201)
Recorded sales · 2
Deed$1Mar 3, 2026
seller BRIAN RAFFERTY
buyer 518 PROSPECT AVEUE LLC
Liber 66056, page 3253
Deed$608,000Aug 16, 2018
seller PETER DYBOWSKI
buyer HELEN M RAFFERTY
Liber 58225, page 3389
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page58225 / 3389
SBL00900900980000000000
Print key9-9-98
SWIS553203
Parcel ID55320300900900980000000000
Who owns 518 Prospect Ave?
518 Prospect Ave, Mamaroneck, Village is owned by Rafferty, Brian per the 2025 NYS assessment roll. It last sold for $608,000 in Aug 2018.
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