AT&T Michigan Headquarters
| AT&T Michigan Headquarters | |
|---|---|
| General information | |
| Status | Completed | 
| Type | Office | 
| Location | Detroit, Michigan | 
| Coordinates | 42°19′57″N 83°03′13″W / 42.3325°N 83.0536°W | 
| Construction started | 1917 | 
| Completed | 1919, 1928, 1973 | 
| Height | |
| Roof | 97 m (318 ft) | 
| Technical details | |
| Floor count | 17, 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.