Iowa plumber exam
Iowa 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
- Examination | Department of Inspections, Appeals, & Licensing PMSB licenses expire June 30 but are valid through Aug 31.
- Application reviews can take up to 6 weeks.
- Published on July 1, 2026 ## Apply Online for Plumbing and Mechanical Systems Licensure Create an account to apply, renew, and pay for your license online using our self-service portal.
- Access the license portal The Iowa Plumbing and Mechanical Systems Board
- Board page: Examination | Department of Inspections, Appeals, & Licensing
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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