Greater Penobscot Building

633 Griswold Street
Detroit MI United States

Construction Dates
Floor Count47
Basement Floors2
Building Uses
 - office
 - conference
 - retail
Structural Types
 - highrise

 Heights ValueSource / Comments 
Antenna664 ftFCC
Roof565 ftBuilding Blueprints (1927)
penthouse roof (includes .91m parapet)
Main roof554 ftBuilding Blueprints (1927)
ventshaft roof (includes .91m parapet)
Top floor523 ftBuilding Blueprints (1927)
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Architect: Smith Hinchman and Grylls

- Of the three-building complex, this is the last portion of the Penobscot complex developed.

- There is a Class A conference center located on the 13th floor of this building.

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