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20' Wide Brownstone W/Private Garage One of only 6 private garages in the East 60's west of Park Avenue, this 20' wide 5-story brownstone with sensational scale is not to be missed. Ceiling heights soar throughout the entire townhouse. Designed to bring light inside by premier architects George Nemeny and Debra Reiser. The townhouse has a rooftop terrace and a full 20'x30' garden. There is central air throughout the townhouse, multiple zones, and there is a finished basement. The original 1877 stoop and staircase are intact. Currently converted to a two-family house, the owner's triplex is unique. A double-height living room with a wood-burning fireplace is anchored by a sensational wall of glass overlooking the garden. Light permeates throughout at all hours of the day, giving one a breathable and airy feel when inside. The single-car garage can be expanded to accommodate more and larger vehicles as well as EVs. Currently, the owner's triplex offers 3 bedrooms and 4.5 bathrooms. The upstairs duplex has been recently updated and rented out, delivered vacant. It offers 4 bedrooms, 3 bathrooms, central air and a private terrace. Bring your architect. 54 East 66th is perfect for investors or for a single-family conversion. Own your own garage, live in resplendent light in the most convenient location on the Upper East Side. *According to third party FloorPlanSource who states the appx total gross square footage as 7,900 square feet. Building: -5 stories tall, incredible scale throughout -SqFt*: 7,900 Total (5,580 interior, 970 exterior, 1350 basement) -20' X 100.42' Lot -30' deep garden -Two family -Original staircase intact -Curb cut (private garage) -7 Bedrooms, 7.5 baths -Wood-burning fireplaces -Finished basement with storage -Washer/dryer -Central AC -2022 RE taxes Est. $88,743 Owner's Triplex: -Central air -Private garden -3 Bedrooms, 3.5 Bathrooms -Fireplaces -Living room w/double height ceiling -Open-concept kitchen -Washer/dryer -Finished basement with storage Upper Duplex: -Central air -Private terrace -4 bedrooms, 3 Baths -Washer/dryer -Living room -Fireplaces

Property Details of 54 E 66th Street, Unit Building

Property Details

Interior Features

Other Details

Map Location

Listed by Compass / Mark Reynolds Blumenfeld

Listing Sold by Allendale

This information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2026 The Real Estate Board of New York, Inc., All rights reserved. RLS Data display by Christie's International Real Estate Group.

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