Arrott Building is a skyscraper located at Fourth Avenue and Wood Street in downtown Pittsburgh, Pennsylvania. It was built in 1902 and was designed by Frederick J. Osterling. The building and several surrounding financial buildings are part of the Fourth Avenue Historic District, which is listed on the National Register of Historic Places. The Arrott Building was added to the list of Pittsburgh History and Landmarks Foundation Historic Landmarks in 2000. The building opened in May 2021 as The Industrialist Hotel, part of the Autograph Collection by Marriott. References External links 3D Model, by Cadnetics The Industrialist Hotel, Marriott Skyscraper office buildings in Pittsburgh Frederick J. Osterling buildings Office buildings completed in 1902 Pittsburgh History & Landmarks Foundation Historic Landmarks