NY Property Records
123 Mamaroneck Ave Unit 515
123 Mamaroneck Ave Unit 515
Mamaroneck, Village · Westchester County · 10543
$294,435Full market value411 · CommercialSold $865,000 · Feb 2024
Owner of record
OwnerHollwitz, John
AlsoHamingson, Pamela
Mailing address2 Washington Sq Unit 1H · Larchmont, NY, 10538
Assessment · 2025 roll
Land assessed$23,700
Total assessed$294,435
Full market value$294,435
Building
UseHighrise apt
Year built1980
Lot
Size0.00 acres (GIS)
Lot sq ft540
Services & districts
WaterComm/public
SewerComm/public
UtilitiesGas & elec
School districtMamaroneck (553201)
Recorded sales · 2
Deed$865,000Feb 6, 2024
seller JULIANA O MAGGIO
buyer JOHN HOLLWITZ
Liber 64017, page 3129
Deed$601,000Dec 13, 2017
seller 123 REGATTA LLC
buyer JULIANA OLIVEIRA MAGGIO
Liber 57341, page 3116
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page64017 / 3129
SBL00901200180940000000
Print key9-12-18.94
SWIS553203
Parcel ID55320300901200180940000000
Who owns 123 Mamaroneck Ave Unit 515?
123 Mamaroneck Ave Unit 515, Mamaroneck, Village is owned by Hollwitz, John per the 2025 NYS assessment roll. It last sold for $865,000 in Feb 2024.
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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