Building Administration

For Commercial and Residential Building Permits and Inspections, please contact Montgomery County Building Regulations.
 
    451 West Third Street
    Dayton, Ohio 45422-1070

    Phone: (937) 225-4622
 
   Fax: (937) 225-6327
 
   E-mail: build@mcohio.org
 
NOTE: Montgomery County Building Regulations will NOT begin the Building Permit Application approval process prior to Trotwood Zoning Permit Application approval.  Proof of such approval is required at the time of application for all Building Permits through Montgomery County.