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This eclectic 14-story apartment house at 820 Park Avenue was originally designed with nine apartments, including five duplexes and a spectacular triplex for its developer Albert J. Kobler. Built in 1926 and converted to a cooperative in 1957, the building now has 21 apartments and features a whimsical rooftop design with pre-war detailing and an attractive location.
820 Park Avenue is a 14 story cooperative designed by Harry Allan Jacobs in 1926, conceived as “multiple mansions stacked one upon another.” Originally planned with nine residences, including five duplexes and a triplex for developer Albert J. Kobler, it was converted to a co-op in 1957 and now contains 21 apartments. Its asymmetrical façade combines a brown brick shaft, irregular window pattern, Edwardian tower elements, and a two and a half story base faced in variegated tan sandstone.
The building’s apartment history is unusually layered. Kobler’s original triplex penthouse, later leased to automobile manufacturer Walter Chrysler, was subdivided, as were several other large homes; some duplexes were subsequently rejoined. Current layouts include duplexes and full floor residences, with expansive galleries, formal entertaining rooms, high ceilings, multiple exposures, fireplaces, and large Park Avenue frontage recurring among the larger apartments. A notable full floor residence occupies the 12th floor, with windows on all four sides and a renovation by architect Robert A.M. Stern.
Pre war details remain central to the apartments, including wood paneling, plaster moldings, pocket doors, libraries, and wood burning fireplaces. Larger homes have dedicated bedroom wings, windowed kitchens, spacious dressing areas, and renovated mechanical systems, while some retain direct access from private elevator landings. The former triplex also accounts for the building’s most distinctive vertical arrangement, with grand rooms historically distributed across three levels rather than confined to a conventional single floor.
820 Park Avenue has a full time doorman, an elevator operator, resident storage, and a live in resident manager; pets are allowed. The northwest corner of Park Avenue and East 75th Street places the building near Madison Avenue galleries, boutiques, restaurants, and the Whitney Museum of American Art, with Lenox Hill Hospital one block north on Park Avenue.
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For some co-ops, instead of price per square foot, we use an estimate of the number of rooms for each sold apartment to chart price changes over time. This is because many co-op listings do not include square footage information, and this makes it challenging to calculate accurate square-foot averages.
By displaying the price per estimated room count, we are able to provide a more reliable and consistent metric for comparing sales in the building. While we hope that this gives you a clearer sense of price trends in the building, all data should be independently verified. All data provided are only estimates and should not be used to make any purchase or sale decision.
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