NY Property Records
335 Douglas Rd
335 Douglas Rd
New Castle · Westchester County
$112,000Full market value210 · ResidentialSold $1,500,000 · Mar 2026
Owner of record
OwnerDiefenbach Richard P Jr.
Mailing address335 DOUGLAS RD · CHAPPAQUA, NY, 10514
Assessment · 2025 roll
Land assessed$35,000
Total assessed$148,500
Full market value$112,000
Building
StyleOld style
Year built1735
Living area2,698 sq ft
Bedrooms3
Full baths2
HeatHot air
FuelGas
Lot
Size1.03 acres
Services & districts
WaterComm/public
SewerUnknown
UtilitiesUnknown
School districtChappaqua (553604)
Recorded sales · 1
Deed$1,500,000Mar 24, 2026
seller LAURA J DIEFENBACH
buyer MARK WHELAN
Liber 66079, page 3556
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
SBL10000500020020000000
Print key100.5-2-2
SWIS553600
Parcel ID55360010000500020020000000
Who owns 335 Douglas Rd?
335 Douglas Rd, New Castle is owned by Diefenbach Richard P Jr. per the 2025 NYS assessment roll. It last sold for $1,500,000 in Mar 2026.
Nearby on Douglas Rd
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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