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Colorado Plumbing License

RequirementsServicesApplicationReciprocityContinuing EducationExamBooksExam Review

License Requirements

Requirements to Obtaining your License.

  • Pre-approval from the Colorado Examining Board of Plumbers is required to sit for examination.
  • Master Plumber's must document five years of experience.
  • Journeyman Plumber's must document four years or 6,800 hours of practical experience.
  • Residential Plumbers must verify two years or 3,400 hours of practical experience.

Work Under this License

Work that can be Done Under this License

  • "Plumbing contractor" means any person, firm, partnership, corporation, association, or other organization who undertakes or offers to undertake for another the planning, laying out, supervising, installing, or making of additions, alterations, and repairs in the installation of plumbing. In order to act as a plumbing contractor, the person, firm, partnership, corporation, association, or other organization must either be or employ full-time a master plumber.
  • "Master plumber" means a person who has the necessary qualifications, training, experience, and technical knowledge to properly plan, lay out, and install and repair plumbing apparatus and equipment including the supervision of such in accordance with the standards, rules, and regulations established by the board.
  • "Journeyman plumber" means any person other than a master plumber, residential plumber, or plumber's apprentice who engages in or works at the actual installation, alteration, repair, and renovation of plumbing in accordance with the standards, rules, and regulations established by the board.
  • "Residential plumber" means any person other than a master or journeyman plumber or plumbing apprentice who has the necessary qualifications, training, experience, and technical knowledge, as specified by the board, to install plumbing and equipment in one-, two-, three-, and four-family dwellings, which shall not extend more than two stories above ground

Applications for a License

Applying to get your License

Applications for plumbing licensure can be obtained by contacting the Colorado state board by calling 1-303-894-7800.

  • Residential Plumber - $100
  • Journeyman Plumber - $120
  • Mater Plumber - $140

Reciprocity

Reciprocity Agreements

Please contact the state directly for information on license by endorsement.

Continuing Education

Continuing Education

There is none at this time.

Examination

Exam Details

  • Prior to taking the exam, you will need to submit a license application along with the appropriate fee.
  • After you are approved, you will receive an examination packet.
  • The exam fee is $120. This fee is collected when you take the exam at the center.
  • A 70% is required to pass the journeyman exam and 75% is required to pass the master exam.
  • The exam is given by Pearson Vue

References

Books and References for the Exam

The following references are on the plumbing examinations. These references may be purchased from our online contractors bookstore or by calling 1-800-952-0910.

Please note that questions will come from the Fuel Gas Code. However, it is NOT permitted to be used during testing. Also, the test vendor will provide a copy of the Plumbing Code and the Rules and Regulations.

Exam Review and Education

Exam Review, Training, Education

As of this time, we offer review by home study guide and code book practice tests. The study guide can be purchased by calling, along with the Plumbing Code, 1-800-952-0910 or by click the "Buy Now, Reference Books" link below. To purchase the online code book practice tests, please click the "Buy Now, Online Training" link below.

Study Guide: $150
Code Book Practice: Click Below for Pricing

Buy Now, Online Training Buy Now, Reference Books

Permanent Tabs

To help you on your exam, you are allowed to place permanent tabs on your text books.  We offer:

  • Pre-Printed Tabs
  • Blank Tabs

Reference Books

Our online store offers hundreds of books at the best pricing possible.

To find books for your exam, click here and then click "State Exam".