Plumber Exam Prep / Missouri
Plumber Exam — MO
Journeyman Plumber Exam in Missouri
Complete breakdown of the journeyman plumber licensing process in Missouri — code used, exam provider, and what to study.
Exam Details
- Licensing Body
- Local Jurisdictions
- Exam Provider
- Varies
- Code Edition
- 2018 IPC
- Passing Score
- 70%
- Question Count
- Varies
- Exam Fee
- Varies
- Experience Required
- 4 years
Note: Always verify current requirements with Local Jurisdictions.
Missouri Plumber License — What to Know
Missouri plumbing licensing is primarily municipal. Kansas City and St. Louis have their own comprehensive licensing programs.
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.