50 West 66th Street is a skyscraper planned for the Upper West Side of Manhattan in New York City. It is being developed by Extell Development Company and designed by Snøhetta. The building will contain setbacks, private loggias, chamfered corners, and a 16th-floor communal terrace. The facade will be made of limestone and burnished bronze beneath the 16th floor and glass with burnished-bronze chamfers above that floor. The building was originally to be 25 stories, but the plans were later changed. When plans for an enlarged 775-foot (236 m), 69-story tower were released in late 2017, the tower faced immediate opposition by those living in the neighborhood. The city approved the tower, overriding neighborhood opposition, in December 2018. After neighborhood groups filed a lawsuit to block