The most expensive building in new york

The most expensive building in New York City is One57, a luxury residential skyscraper located on 57th Street and 7th Avenue in Midtown Manhattan. The building was completed in 2014 and stands at a height of 1,005 feet (306 meters) with 75 floors.

One57 was developed by Extell Development Company and designed by Christian de Portzamparc. The building features 92 luxury apartments, including a penthouse that was sold for a record-breaking $100.5 million in 2014. The penthouse, known as the "penthouse triplex," is a three-story unit that spans the entire top floor of the building and features 10,923 square feet of living space.

The building's apartments range in price from around $10 million to over $50 million, with many of them featuring high-end finishes, floor-to-ceiling windows, and stunning views of Central Park and the Manhattan skyline.

Some of the notable features of One57 include:

One57 has been recognized for its architectural design and luxury amenities, and it has become one of the most iconic and sought-after residential buildings in New York City.