NY Property Records
12 Colonial Ave
12 Colonial Ave
Mamaroneck · Westchester County · 10538
$2,269,000Full market value210 · ResidentialSold $1,852,000 · Jul 2017
Owner of record
OwnerSeibald, Marc J
AlsoSeibald, Ilana
Mailing address12 Colonial Ave · Larchmont, NY, 10538
Assessment · 2025 roll
Land assessed$278,000
Total assessed$2,269,000
Full market value$2,269,000
Building
StyleColonial
Year built2008
Living area3,332 sq ft
Bedrooms4
Full baths3
HeatHot air
FuelGas
Lot
Size0.17 acres
Frontage × depth75 × 100 ft
Lot sq ft7,500
Services & districts
WaterComm/public
SewerComm/public
UtilitiesGas & elec
School districtMamaroneck (553201)
Recorded sales · 1
Deed$1,852,000Jul 5, 2017
seller JOSHUA E LEVINE
buyer MARC J SEIBALD
Liber 57173, page 3219
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page57173 / 3219
SBL00102003200000000000
Print key1-20-320
SWIS553289
Parcel ID55328900102003200000000000
Who owns 12 Colonial Ave?
12 Colonial Ave, Mamaroneck is owned by Seibald, Marc J per the 2025 NYS assessment roll. It last sold for $1,852,000 in Jul 2017.
Nearby on Colonial 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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