Commercial Plumbing

Commercial construction projects require a plumbing permit. The Washington County Health Department issues plumbing permits for rural Washington County (outside Marietta and Belpre), Meigs County, Monroe County, and Noble County.

First register with the Washington County Health Department :
Download Registration to Engage in Commercial Plumbing (PDF)

Submit an application and 3 sets of sealed blueprints to the Washington County Health Department at 342 Muskingum Drive, Marietta, Ohio. Fax to (740) 374-7699.

Download Commercial Plumbing Permit Application (PDF)