66 East 83rd Street is a boutique prewar co-op built in 1912 of red brick and limestone, originally comprising three separate townhouses that were seamlessly joined in 1988 to create the current intimate structure. With only 22 residences and just four apartments per floor, this Bing & Bing building offers remarkable privacy in the heart of the Upper East Side, located just one and a half blocks from the Metropolitan Museum of Art and Central Park between Madison and Park Avenue.
The building's apartments showcase classic prewar elegance with soaring 9.4 to 12 foot ceilings, wood burning fireplaces, and original hardwood floors throughout. Many units feature period moldings, ceiling medallions, and dramatic proportions that create loft like entertaining spaces. Several apartments boast rare private terraces and gardens, with some units offering multiple outdoor spaces facing south for optimal light. The layouts range from studios to two bedrooms, with some featuring palatial master bedrooms measuring up to 20 by 15 feet and custom built ins including lighted bookcases and storage lofts.
Residents benefit from an unusual arrangement where the building shares 24 hour staff and security monitoring with the adjacent 970 Park Avenue, where the full time superintendent resides and packages are accepted. This partnership provides white glove service while maintaining the intimate character of the smaller building. The building welcomes pets, pied-à-terre ownership, and allows in-unit washer/dryers, with additional amenities including a laundry room, storage, and bike room in the basement.
Notably, one listing mentioned the building hadn't had availability in nearly 40 years, underscoring its desirability and the rarity of turnover in this converted mansion. The combination of remarkably low maintenance costs, European charm, and prime location steps from Central Park makes this one of the most coveted small buildings on the Upper East Side.
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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.