NY Property Records
800 Rushmore Ave
800 Rushmore Ave
Mamaroneck, Village · Westchester County · 10543
$4,275,000Full market value210 · ResidentialSold $4,600,000 · May 2026
Owner of record
OwnerMisa 800 Trust
Mailing address800 Rushmore Ave · Mamaroneck, NY, 10543
Assessment · 2025 roll
Land assessed$598,000
Total assessed$4,275,000
Full market value$4,275,000
Building
StyleContemporary
Year built1950
Living area6,495 sq ft
Bedrooms8
Full baths8
HeatHot air
FuelGas
Lot
Size0.66 acres
Services & districts
WaterComm/public
SewerComm/public
UtilitiesGas & elec
School districtMamaroneck (553201)
Recorded sales · 6
Deed$4,600,000May 28, 2026
seller MISA 800 TRUST U/A/D MARCH 21
buyer 800 RUSHMORE AVE LLC
Liber 66139, page 3426
Deed$4,600,000May 28, 2026
seller MISA 800 TRUST U/A/D MARCH 21
buyer 800 RUSHMORE AVE LLC
Liber 66139, page 3426
Deed$4,600,000May 28, 2026
seller MISA 800 TRUST U/A/D MARCH 21
buyer 800 RUSHMORE AVE LLC
Liber 66139, page 3426
Show all 6
Deed$4,600,000May 28, 2026
seller MISA 800 TRUST U/A/D MARCH 21
buyer 800 RUSHMORE AVE LLC
Liber 66139, page 3426
Deed$4,300,000Apr 11, 2025
seller COASTLINE MODERN HOUSES LLC
buyer MISA 800 TRUST UAD MARCH 21 20
Liber 65100, page 3667
Deed$1,175,000Sep 30, 2021
seller FRANK C SPENCER
buyer COASTLINE MODERN HOUSES LLC
Liber 61256, page 3004
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page65100 / 3667
SBL00903800150000000000
Print key9-38-15
SWIS553203
Parcel ID55320300903800150000000000
Who owns 800 Rushmore Ave?
800 Rushmore Ave, Mamaroneck, Village is owned by Misa 800 Trust per the 2025 NYS assessment roll. It last sold for $4,600,000 in May 2026.
Nearby on Rushmore 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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