Office of the Great Seal

Authentications may be done by mail, or in-person by appointment only on Mondays from 8:30 am until 4:00 pm or Wednesdays from 8:30 am until 4:00 pm.

The Office of the Great Seal is part of the Bureau of Elections in the Michigan Department of State. In fulfilling the Secretary of State's responsibilities, it is the Office of the Great Seal's mission to promote and achieve continuously improved quality in the following areas:

The Secretary of State lacks legal authority to accept and officially file any document and affix the Great Seal unless expressly authorized to do so by law. Documents authenticated with the Great Seal have the like effect as the originals

Mailing Address
Michigan Department of State
Bureau of Elections
7064 Crowner Drive
Lansing, MI 48918

Office of the Great Seal Service Locations
Schedule a visit
Richard H. Austin Building
1st Floor
430 W. Allegan
Lansing, MI
888-767-6424 (888-SOS-MICH) (Main Office)
517-241-1820 (Facsimile)

Hours
Please arrive at least one hour prior to closing to allow sufficient time to process your documents. Metered parking is available along the south side of Allegan Street.