NY Property Records
55 Prospect Ave
55 Prospect Ave
Larchmont · Westchester County · 10538
$6,774,000Full market value210 · ResidentialSold $6,000,000 · Aug 2021
Owner of record
OwnerSommer, Gregory
AlsoTrebbe-Hass, Sarah
Mailing address55 Prospect Ave · Larchmont, NY, 10538
Assessment · 2025 roll
Land assessed$656,000
Total assessed$6,774,000
Full market value$6,774,000
Building
StyleOld style
Year built1912
Living area4,953 sq ft
Bedrooms6
Full baths5
HeatHot wtr/stm
FuelGas
Lot
Size0.59 acres
Services & districts
WaterComm/public
SewerComm/public
UtilitiesGas & elec
School districtMamaroneck (553201)
Recorded sales · 1
Deed$6,000,000Aug 30, 2021
seller DAVID F BETTEN
buyer GREGORY SOMMER
Liber 61221, page 3724
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page61221 / 3724
SBL00701605540000000000
Print key7-16-554
SWIS553201
Parcel ID55320100701605540000000000
Who owns 55 Prospect Ave?
55 Prospect Ave, Larchmont is owned by Sommer, Gregory per the 2025 NYS assessment roll. It last sold for $6,000,000 in Aug 2021.
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
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