Missouri plumber exam
Missouri plumbing exams cover eligibility, vendor, references, and retakes. Confirm the current candidate bulletin on the board source before you book.
Verified on: 2026-09-14 · Board source
From the board
- Missouri Revisor of Statutes - Revised Statutes of Missouri, RSMo Section 341.020 Chapter 341 341.020.
- — Any person desiring to engage or work at the business of plumbing, either as a master plumber, employing plumber, or as a journeyman plumber, in cities having a population of fifteen thousand or more, shall make application to a board of examiners herein provided for, and sh…
- Board page: Missouri Revisor of Statutes - Revised Statutes of Missouri, RSMo Section 341.020
Who can schedule
- Most boards require an approved application or eligibility letter before you book
- Name on the exam roster must match your license application exactly
- Confirm the authorization window — many expire in 90 days to one year
What to expect
- Trade and/or business-and-law content depending on the class
- Open-book or closed-book rules and allowed references are class-specific
- Download the current candidate bulletin from the board or exam vendor
Related: Renewal and CE · Get licensed
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