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Plumbing Contractor


Provide means for a supply of safe water and the proper disposal of fluid waste


plumbing contractors license will allow a contractor to provide means for a supply of safe water, ample in volume and of suitable temperature for the purpose intended, and the proper disposal of fluid waste from the premises in all structures and fixed works.

The work that a plumbing contractor can perform includes but is not limited to:

(a)Complete removal of waste from the premises or the construction and connection of on-site waste disposal systems;

(b)Piping, storage tanks, and venting for a safe and adequate supply of gases and liquids for any purpose, including vacuum, compressed air, and gases for medical, dental, commercial, and industrial uses;

(c)All gas appliances, flues, and gas connections for all systems including suspended space heating units. This does not include forced warm air units;

(d)Water and gas piping from the property owner’s side of the utility meter to the structure or fixed works;

(e)Installation of any type of equipment to heat water, or fluids, to a temperature suitable for the purposes listed in this section, including the installation of solar equipment for this purpose; and

(f)The maintenance and replacement of all items described above and all health and safety devices such as, but not limited to, gas earthquake valves, gas control valves, backflow preventers, water conditioning equipment, and regulating valves.

Before you can apply for your plumbing contractors license, you must meet the following experience requirements:

  • 4 years of experience performing/supervising plumbing (C-36) work.
  • Social Security number or ITIN
  • Be at least 18 years old*

Don’t have 4 years of plumbing experience?
A college degree can be substituted for up to three years of that experience.

The State will accept self-employed experience.

In order to obtain your plumbing contractors license, you are required to pass the Trade examination as well as the Law & Business exam.

*Even though you can apply for a plumbing contractors license when you are 18 years old, it is recommended that you be at least 23 years old due to the experience requirement.

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