NY Property Records
143 Knollwood Ave
143 Knollwood Ave
Mamaroneck, Village · Westchester County · 10543
$700,000Full market value210 · ResidentialSold $660,000 · Aug 2018
Owner of record
OwnerKeller, George
AlsoMadden, Deirdre
Mailing address143 Knollwood Ave · Mamaroneck, NY, 10543
Assessment · 2025 roll
Land assessed$164,000
Total assessed$700,000
Full market value$700,000
Building
StyleOld style
Year built1928
Living area1,447 sq ft
Bedrooms4
Full baths2
HeatHot wtr/stm
FuelOil
Lot
Size0.09 acres
Services & districts
WaterComm/public
SewerComm/public
UtilitiesGas & elec
School districtMamaroneck (553201)
Recorded sales · 1
Deed$660,000Aug 2, 2018
seller JOY JACOBSON
buyer GEORGE KELLER
Liber 58206, page 3532
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page58206 / 3532
SBL00800603620000000000
Print key8-6-362
SWIS553203
Parcel ID55320300800603620000000000
Who owns 143 Knollwood Ave?
143 Knollwood Ave, Mamaroneck, Village is owned by Keller, George per the 2025 NYS assessment roll. It last sold for $660,000 in Aug 2018.
Nearby on Knollwood 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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