Plumbing Services

The Plumbing Inspection Unit ensures that all commercial and residential plumbing installations are in compliance with the regulations set forth by the Ohio Plumbing Code. Ohio State-Certified Plumbing Inspectors work with registered plumbers and homeowners to ensure all plumbing installations are in compliance with the Code

Residential &
Commercial Jurisdiction

Richland Public Health has Residential and Commercial Plumbing jurisdiction in Richland County and Commercial Jurisdiction in Crawford, Huron, Knox, and Morrow counties. We also do Commercial and Residential plumbing inspections in the city of Galion.

Commercial Services

  • Registration of all persons intending to engage in the plumbing installation business in the County of Richland.
  • Issuance of plumbing installation permits.
  • Inspection of commercial and residential plumbing installations for code compliance.
  • Plans review and/or consultations with plumbing contractors and homeowners as required (see below for form).

Commercial Plumbing Forms

Plumbing Business Registration

This is the Plumbing Contractor/Service Provider Registration Application to perform installations as a plumbing business within the jurisdiction of Richland County and the Counties of Crawford, Huron, Knox and Morrow.


2021 Plumbing Code CEU Classes

All classes CANCELLED until further notice

Plumbing Definitions & FAQs


The practice, Maintenance, Extension and alteration of all piping, fixtures, plumbing appliances and plumbing appurtenances within or adjacent to any structure, in connection with the sanitary drainage or storm drainage facilities; venting systems; and the public or private water supply systems.


A person who is licensed to install plumbing.


A person who works for another to learn the plumbing trade under the direction and control of a licensed plumber.


A person that is authorized to engage in the business of installing plumbing in buildings or other structures.


Anyone of a special class of plumbing fixtures intended to perform a special function. Included are fixtures having the operation or control dependent on one or more energized components, such as motors, controls, heating elements, or pressure or temperature-sensing elements.

Such fixtures are manually adjusted or controlled by the owner or operator or are operated automatically through one or more of the following actions: A time cycle, a temperature range, a pressure range, a measured volume of weight. 


A person that is authorized to engage in or work at or supervise the trade or occupation of plumbing, but not engage in the business of installing plumbing.


The art or skill of a worker. The quality of skill.  The product or result of a worker’s skill.

Questions or Comments

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