Plumber Exam Prep / Colorado
Plumber Exam — CO
Journeyman Plumber Exam in Colorado
Complete breakdown of the journeyman plumber licensing process in Colorado — code used, exam provider, and what to study.
Exam Details
- Licensing Body
- Colorado Examining Board of Plumbers
- Exam Provider
- PSI Exams
- Code Edition
- 2021 IPC
- Passing Score
- 75%
- Question Count
- 80
- Exam Fee
- $65
- Experience Required
- 4 years
Note: Always verify current requirements with Colorado Examining Board of Plumbers.
Colorado Plumber License — What to Know
Colorado requires a statewide journeyman plumber license. 75% passing score. Colorado uses the IPC.
Key Code Sections to Master
The International Plumbing Code (IPC) exam covers water supply, drainage, venting, fixtures, water heaters, storm drainage, and special piping. Focus on the table for pipe sizing (Table 604.4 for water supply, Table 710.1 for drainage fixture units), minimum fixture requirements by occupancy type, and venting rules. Drainage fixture units (DFUs) are frequently tested via calculation questions.