NY Property Records
640 Hillside Ave
640 Hillside Ave
Mamaroneck, Village · Westchester County · 10543
$737,100Full market value210 · ResidentialSold $1,050,000 · Jun 2026
Owner of record
OwnerMahon Patrick
AlsoEchinard, Loriane
Mailing address640 Hillside Ave · Mamaroneck, NY, 10543
Assessment · 2025 roll
Land assessed$319,900
Total assessed$737,100
Full market value$737,100
Building
StyleColonial
Year built1950
Living area1,296 sq ft
Bedrooms3
Full baths1
HeatHot air
FuelOil
Lot
Size0.16 acres
Lot sq ft7,083
Services & districts
WaterComm/public
SewerComm/public
UtilitiesGas & elec
School districtRye Neck (554801)
Recorded sales · 5
Deed$1,050,000Jun 17, 2026
seller PATRICK MAHON
buyer AMY SHAHBAZIAN
Liber 66167, page 3402
Deed$1,050,000Jun 17, 2026
seller PATRICK MAHON
buyer AMY SHAHBAZIAN
Liber 66167, page 3402
Deed$1,050,000Jun 17, 2026
seller PATRICK MAHON
buyer AMY SHAHBAZIAN
Liber 66167, page 3402
Show all 5
Deed$660,000Oct 16, 2020
seller STEVEN TRACHTENBROIT
buyer PATRICK MAHON
Liber 60287, page 3547
Deed$13,700Sep 25, 2020
seller STEVEN TRACHTENBROIT
buyer VILLAGE OF MAMARONECK
Liber 60265, page 3008
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page60287 / 3547
SBL15403300010350000000
Print key154.33-1-35
SWIS554803
Parcel ID55480315403300010350000000
Who owns 640 Hillside Ave?
640 Hillside Ave, Mamaroneck, Village is owned by Mahon Patrick per the 2025 NYS assessment roll. It last sold for $1,050,000 in Jun 2026.
Nearby on Hillside 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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