NY Property Records
601 Seney Ave
601 Seney Ave
Mamaroneck, Village · Westchester County · 10543
$3,473,000Full market value210 · ResidentialSold $2,900,000 · Jun 2021
Owner of record
OwnerThomson, Kelly M
AlsoThomson, Andrew J
Mailing address601 Seney Ave · Mamaroneck, NY, 10543
Assessment · 2025 roll
Land assessed$486,000
Total assessed$3,473,000
Full market value$3,473,000
Building
StyleContemporary
Year built1949
Living area4,299 sq ft
Bedrooms6
Full baths6
HeatHot air
FuelGas
Lot
Size0.34 acres
Frontage × depth150 × 100 ft
Services & districts
WaterComm/public
SewerComm/public
UtilitiesGas & elec
School districtMamaroneck (553201)
Recorded sales · 4
Deed$1Dec 21, 2023
seller KELLY M THOMSON
buyer KELLY M THOMSON REVOCABLE TRUS
Liber 63335, page 3527
Deed$2,900,000Jun 2, 2021
seller COASTLINE MODERN HOUSES LLC
buyer KELLY M THOMSON
Liber 61153, page 3275
Deed$920,000May 7, 2019
seller ROBERT J NIA
buyer COASTLINE MODERN HOUSES LLC
Liber 59123, page 3400
Show all 4
Deed$1Jun 6, 2017
seller BIZHAN M NIA
buyer ROBERT J NIA
Liber 57156, page 3488
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page63335 / 3527
SBL00903004210000000000
Print key9-30-421
SWIS553203
Parcel ID55320300903004210000000000
Who owns 601 Seney Ave?
601 Seney Ave, Mamaroneck, Village is owned by Thomson, Kelly M per the 2025 NYS assessment roll. It last sold for $2,900,000 in Jun 2021.
Nearby on Seney 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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