The plumbing program is responsible for the oversight of the installation of plumbing systems in all areas of Darke County.  Plumbing contractors and in limited cases, homeowners, may apply for permits to install plumbing systems in new or remodeled construction.  The Plumbing Inspection Program registers all persons engaged in the business of plumbing within Darke County.

Plumbing permits must be obtained through the Darke County General Health District prior to the start of work.  Plumbing contractors and contractor employees must register with the county in which they provide service.

For more information about specific fees or requirements please call (937) 548-4196

Useful Links

Plumbing Plan Review
Water Heater Only Application
Water Softener Only Application

Plumbing Registration Application
Registered Plumbers
Plumbing Bond Form
Plumbing Appliance Installers
Sewer and Water Line Installers

Backflow Testing Report Forms

Ohio Association of Plumbing Inspectors
State of Ohio Department of Commerce