Mudd Building More information on Mudd Building Building Details Address: 500 W. 120th St., New York, NY 10027 Architect: Voorhees, Walker, Smith & Smith Year Built: 1961 Gross Area: 287,735 sq. ft. Number of Stories: 19 Major Occupants: Columbia Engineering Disability Access Features: Enter via the main building entrance at campus level/fourth floor; skybridge that connects the 10th floor of Mudd to 9th floor of CEPSR Location Google Map Location