AT&T Michigan Headquarters

AT&T Michigan Headquarters
General information
StatusCompleted
TypeOffice
LocationDetroit, Michigan
Coordinates42°19′57″N 83°03′13″W / 42.3325°N 83.0536°W / 42.3325; -83.0536
Construction started1917
Completed1919, 1928, 1973
Height
Roof97 m (318 ft)
Technical details
Floor count17, 19
Design and construction
Architect(s)Smith, Hinchman & Grylls; H. G. Christman-Burke Company

The AT&T Michigan Headquarters is a complex of skyscrapers and buildings located at 1st Street, Cass Avenue, State Street, and Michigan Avenue in Downtown Detroit, Michigan. It contains the AT&T Building, the AT&T Building addition, the Maintenance Shop and is owned by communications giant AT&T.