Requirements To Complete

About This License

A natural gas license covers the installation, repair, alteration or extension of gas piping and gas mains. It includes all natural gas piping within or adjacent to any building, structure, or conveyance, on the premises and to the connection with a natural gas meter, regulator or other supply source.

Requirements to Obtaining Your License

Contractor License Requirements

  • 19 years of age
  • 4 years of experience
  • Each active plumbing contractor must furnish a $5,000 surety bond.
  • Workers compensation and $50,000 liability insurance are also required.
  • To become a licensed contractor, the business and law exam must also be passed.

Journeyman License Requirements

  • Applicants for the journeyman examination must be eighteen (18) years of age and certify three (3) years of plumbing experience to be eligible to take the examination, OR
  • (B) an associate’s degree or vocational diploma certifying completion of an educational program consisting of 1,000 hours or more from a school, approved by the Committee, (a list of approved schools can be found under testing information on the CIB website) which exhibits knowledge of the trade in the category of license applied for and one (1) year of verifiable experience in the mechanical trade, or
  • (C) a vocational diploma certifying completion of an educational program consisting of 500 or more hours from a school, approved by the Committee, which exhibits knowledge of the trade in the category of license applied for and two (2) years of verifiable experience in the mechanical trade, or
  • (D) a vocational diploma certifying completion of an educational program consisting of a minimum of three hundred and seventy five (375) or more hours from a school, approved by the Committee, which exhibits knowledge of the trade and in the category of license applied for, and two and one-fourth (2 1/4) years of verifiable experience in the mechanical trade, or
  • (E) a vocational diploma certifying completion of an educational program consisting of a minimum of three hundred and thirty four (334) or more hours from a school, approved by the Committee, which exhibits knowledge of the trade and in the category of license applied for, and two and one-third (2 1/3) years of verifiable experience in the mechanical trade, or
  • (F) a vocational diploma certifying completion of an educational program consisting of a minimum of two hundred and fifty (250) or more hours from a school, approved by the Committee, which exhibits knowledge of the trade and in the category of license applied for, and two and one-half (2 1/2) years of verifiable experience in the mechanical trade, or
  • (G) equivalent, verifiable experience in the mechanical trade while serving in the U.S. military, or
  • (H) experience sufficient to obtain the special certification required for the mechanical category sought by the tendered application, such as Ground Source Piping and Medical Gas, or
  • (I) a verifiable out-of-state license in the mechanical classification for which the applicant is applying. The license must: (i) be current, (ii) be in good standing, and (iii) meet qualifications listed in (A) through (E) above.

Each journeyman must be licensed and employed by a licensed contractor before engaging in work.

Applying For Your License

  • An application for licensure can be obtained from the State of Oklahoma Construction Industries Board by calling 405-271-5217.
  • The application and licensing fee is $330.

Exam Details

Contractor Exam

  • To take the exam, you must be pre-approved by the state
  • The exam has 40 questions and a time limit of 2 hours
  • A score of 70% is needed to pass
  • The exam fee is $100.
  • Topics on the exam include General Fuel Gas Piping- Knowledge, Definitions, and Regulations Pipe Sizing Pipe Installation, and Safety

Journeyman Exam

  • To take the exam, you must be pre-approved by the state
  • The exam has 30 questions and a time limit of 1.5 hours
  • A score of 70% is needed to pass
  • The exam fee is $100.
  • Topics on the exam include General Fuel Gas Piping- Knowledge, Definitions, and Regulations Pipe Sizing Pipe Installation, and Safety

Books and References for the Exam

The following references are permitted to be taken into the examination. These references may be tabbed (with a permanent index tab) and highlighted. They are available for purchase from our online contractor’s bookstore or by calling our office at 1-800-952-0910.

Exam Review Education

We offer review for the Oklahoma Plumbing and Gas Contractor and Journeyman examinations in an online format. This course includes highlighting guides and practice quizzes for the reference materials allowed into the examination. For more information, or to order, contact our office at 1-800-952-0910.

Continuing Education

6 hours of continuing education are required every 3 years.

Reciprocity Agreement

Reciprocity is considered on a case by case basis.

How It Works

1

Obtain pre-approval from the state (if applicable).

2

Purchase Exam Prep materials.

3

Schedule and pass your state exams.

4

Submit to the state your application, licensing fee, and proof of insurance.