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$3,995,000
MLS# RLS20085742 · Lenox Hill
Listed April 21, 2026 · 189 days on the market
6 Beds 2 Baths 4,048 Sq.Ft.
At the distinguished corner of Park Avenue and East 78th Street, within the elegant prewar cooperative 875 Park Avenue, this extraordinary 4,000+ square-foot maisonette presents a rare opportunity to create a grand Upper East Side residence while enjoying a level of flexibility seldom found in Park Avenue cooperatives.
Currently configured as a live-work residence with a medical office, Apartment 1C/1D occupies an elevated position above street level and offers the privacy and scale of a townhouse paired with the prestige and services of a full-service Park Avenue building. The property features its own private entrance directly on Park Avenue, providing discreet access in addition to the building's full-service lobby entrance.
Behind the doors lies a sprawling and highly adaptable floor plan capable of accommodating a variety of configurations. While the space is presently arranged to support a medical practice alongside residential quarters, the apartment may be reimagined as a magnificent full-floor residence with grand entertaining rooms, multiple bedrooms, a library, and expansive living and dining spaces befitting a classic Park Avenue lifestyle.
The maisonette's elevated position allows for excellent privacy while maintaining the scale and architectural presence associated with the finest prewar cooperatives. Generous proportions, abundant natural light, and flexible room divisions provide a blank canvas for architects and designers to craft a truly bespoke home.
Enhancing the offering further, two separate staff rooms are also available for purchase. These additional spaces offer the possibility to expand the primary residence or create dedicated staff accommodations and may potentially be combined with the main apartment, subject to board approval.
Opportunities of this scale and flexibility on Park Avenue are rare. A distinctive maisonette with private entry and remarkable adaptability, offering the chance to create a grand residence in one of the Upper East Side's most prestigious addresses.

Curtis Bain
Brown Harris Stevens
Services and facilities
Estimate
The rate is a placeholder, not a quote. Enter the one your lender gives you.
$35,768 / month
Co-op share loans aren't subject to mortgage recording tax. Not included: attorney, title insurance, lender and appraisal fees, board application and move-in fees, flip tax and prepaid items. Estimates only, based on the published New York State rates. Your attorney and lender will confirm the real figures.
Gallery
Listing Courtesy of Corcoran Group
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.
875 Park Avenue is a 13-story elevator cooperative in Lenox Hill, completed in 1912 and home to 46 residential units. It sits within the Upper East Side Historic District. The most recent major alteration on record was in 2020.
The closest subway is 77 St (6), about a 2-minute walk. Central Park is roughly 6 minutes away on foot.
Compiled from NYC public records and open data.
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875 PARK Avenue 1CD
Walking times are estimates. Schools shown are the nearest public and charter schools and are not zone assignments; a nearby school is not necessarily the one an address is zoned for. Confirm zoning with the NYC Department of Education. Sources: MTA, NYC Parks and NYC Department of City Planning open data.
The Neighborhood
A refined Upper East Side enclave of prewar elegance, Central Park proximity, and Madison Avenue prestige.
Walkability
9/10
Public transit
9/10
Schools
9/10
Dining
9/10
Groceries & parks
9/10