NY Property Records
423 Union Ave
423 Union Ave
Mamaroneck, Village · Westchester County · 10543
$1,024,700Full market value230 · ResidentialSold $950,000 · Jul 2025
Owner of record
Owner423 Union Ave, LLC
Mailing address92 Maple St · Dobbs Ferry, NY, 10522
Assessment · 2025 roll
Land assessed$443,000
Total assessed$1,024,700
Full market value$1,024,700
Building
StyleOld style
Year built1910
Living area2,636 sq ft
Bedrooms5
Full baths3
HeatHot wtr/stm
FuelGas
Lot
Size0.2 acres
Frontage × depth45 × 198 ft
Lot sq ft8,699
Services & districts
WaterComm/public
SewerComm/public
UtilitiesGas & elec
School districtRye Neck (554801)
Recorded sales · 2
Deed$950,000Jul 3, 2025
seller CARLOS RAMIREZ
buyer 423 UNION AVE LLC
Liber 65162, page 3270
Deed$450,000Jul 21, 2017
seller MARIA GUERRERO
buyer CARLOS RAMIREZ
Liber 57201, page 3588
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page65162 / 3270
SBL15404200010410000000
Print key154.42-1-41
SWIS554803
Parcel ID55480315404200010410000000
Who owns 423 Union Ave?
423 Union Ave, Mamaroneck, Village is owned by 423 Union Ave, LLC per the 2025 NYS assessment roll. It last sold for $950,000 in Jul 2025.
Nearby on Union 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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