55 East 76th Street

55 East 76th is a seven-story neo-Grec brownstone, a survivor of the first generation of New York apartment buildings. The style — incised linear ornament, restrained masonry, a robust 19th-century facade — places it firmly in the early 1880s, and the comparison to the Dakota, completed a year later, is the one the building has carried for a century: both rose at the dawn of upscale apartment living, and both were built with ceiling heights and detailing that later buildings rarely matched.

The 21 cooperative residences are the rare thing here. Because the building predates the standardized pre-war floor plate, the apartments are idiosyncratic and characterful, with the soaring ceilings, working fireplaces, original architectural detail, and in some homes the stained glass that defined the building's first-class debut. No two layouts are quite alike. For buyers who want authentic 19th-century New York rather than a 1910s reproduction of it, the building's character is its entire argument.

The Imperial runs as a modest, well-kept cooperative. A live-in superintendent maintains the building day to day, and part-time door staff provide coverage — service scaled to a 21-unit house with a long history rather than a large modern tower. On-site amenities are practical: a central laundry room and private storage. The building's appeal is its character and location, not an amenity package.

On policy, the cooperative is accommodating for its era. Pets are permitted and pied-à-terre ownership is allowed, both subject to board approval — flexibility that broadens the buyer pool meaningfully. The building permits financing of up to 70% of the purchase price, a relatively buyer-friendly cap for a small pre-war co-op, and a 2% flip tax is paid by the seller at closing. The board reviews each purchase in the usual cooperative manner, with a full package and interview.

Recent sales

Recent transfers at this building, from The Roebling Research Library. Prices are the transfer amounts recorded with the NYC Department of Finance; apartment-level detail is checked against the building’s own file in The Roebling Research Library before publishing.

Market read. $/sf is measured on the latest sales with reliable square footage (2022): a median $1,063/sf (recorded) across 1 sale. The building has traded as recently as 2026. Median listing discount 2.5% from the last ask — a recurring negotiation gap worth pricing into any offer or listing strategy.

Sales sourced from NYC Department of Finance recorded transfers (BBL 1-01391-0029). Apartment-level facts (line, condition, asking-price context) curated and cross-verified in The Roebling Research Library. Not all transactions cross-verify with ACRIS records — sponsor and LLC purchases sometimes record at stipulated values rather than market price; square footage on co-ops is not officially recorded, figures shown are approximate.

You are buying history and character. The draw is the 1883 architecture — the ceilings, the fireplaces, the original detail — on a quiet block between Madison and Park near Central Park, and the building's accommodating policies make that easier to act on: pets and pied-à-terre ownership are both permitted with board approval, and financing runs up to 70%, generous for a small pre-war co-op. Budget for a 2% flip tax payable by the seller (a cost that favors you as a buyer) and prepare a full board package. Because the building predates standardized plans, evaluate each apartment on its own terms — layouts vary widely — and weigh the lighter amenity set against the privacy and character of a 21-unit landmark-era house. Renovation here is about honoring the original fabric, not erasing it.

The narrative is the asset. An 1883 neo-Grec brownstone, a contemporary of the Dakota, with soaring ceilings, working fireplaces, and original detail, converted to co-op ownership in 1920 — that is a story almost nothing else on the Upper East Side can tell, and it should anchor the marketing. Emphasize what survives in the specific apartment: the fireplaces, the ceiling height, the period detail. Position the pet and pied-à-terre flexibility and the 70% financing allowance as advantages that widen demand. Price against the building's own history and the character-rich co-ops of Lenox Hill rather than the standardized pre-war stock, and plan the board package and interview into the timeline. For the buyer who wants authentic 19th-century New York, this building sells on its character alone.

If you're considering The Imperial, also evaluate these nearby Lenox Hill and Upper East Side co-ops:

• 14 East 75th Street — pre-war Lenox Hill cooperative nearby
• 120 East 75th Street — Upper East Side pre-war cooperative
• 130 East 75th Street — pre-war cooperative a few blocks south
• 158 East 72nd Street — a boutique 1928 pre-war cooperative
• 164 East 72nd Street — pre-war cooperative nearby