A 21-story vacant office building in the Garment District was a prime candidate for a residential conversion, after a key upzoning in Manhattan. The listing for Expansion Group’s 554-568 Eighth Avenue boasted that the more than 300,000-square-foot building was ready to be converted into residential space, potentially with the use of a new property tax break available for office-to-residential conversions. But the property was among the sites the City Council carved out of the northwest se...
