Feeling the proposed design was too expensive, Mullett took over the project, which nonetheless cost $8.5 million. This coup may have influenced opinions on his final product. The iron framing was clad with a pale granite quarried in Dix Island, Knox County, Maine. Regarding the building's lack of popularity, The New York Times wrote in 1912: The Mullett Post Office has always been an architectural eyesore, and has, from the first, been unsatisfactory to the Postal Service and the Federal Courts beneath its roof. It was known as "Mullett's Monstrosity".