Plumbing

Plumbing License Guides

Exams, codes and the path from apprentice to master plumber, written from official sources.

Plumber in overalls carrying tools into a bathroom for a repair

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How to Become a Licensed Plumber
Apprenticeship, hours, exams and endorsements step by step.
Plumbing License Exam Overview
Formats, code topics and how to prepare for journeyman and master.

How These Guides Work

Plumbing licences are issued by states and localities, and exams are built on the International Plumbing Code or Uniform Plumbing Code. Always check your board for current hours, fees and formats.