32 Old Slip, also known as One Financial Square, is a skyscraper in the Financial District of Lower Manhattan in New York City. Completed in 1987, the building has 36 floors and stands at 575 ft 0 in (175.26 m). 32 Old Slip was designed by the firm of Edward Durell Stone Associates for developer Howard Ronson and his firm HRO International. It is home to various office tenants, including a Convene convention center and the New York Regional Office of the United States Census Bureau. The ground floor houses the New York City Fire Department (FDNY) Engine Company 4 and Ladder Company 15.