https://www.com.ohio.gov/mh.aspx

The Department of Commerce is now the state agency that provides 
oversight of Ohio’smanufactured homes program. House Bill 49, the Ohio
Operating Budget, included aprovision to move the duties of the
Manufactured Homes Commission to the Department ofCommerce.
The Department assumed these responsibilities on Jan. 21, 2018. Two of the
department’s divisions – Real Estate & Professional Licensing and Industrial
Compliance –will share responsibility for ensuring the proper licensing
of thosewho sell, install and inspect manufactured housing, and the
communities in which they operate, as well as the safety of the residents
who live there.

 

-Questions and answers regarding the Department of Commerce and Manufactured Homes 

https://www.com.ohio.gov/documents/mh_FAQ.pdf