MASTER PLUMBER License in Wisconsin
Quick Answer
To become a licensed Master Plumber in Wisconsin, earn a degree, pass the state exam. 8 credential types available from apprentice to master. CE required. No criminal record prohibitions. Wisconsin law requires credentials for all plumbing installation.
- Exam
- State plumbing exam
- Timeline
- 4-5 years apprenticeship + licensing
- Background Check
- Required
- Renewal
- Every Biennial
Requirements
MASTER PLUMBER license in Wisconsin
MASTER PLUMBER Salary in Wisconsin
Entry Level
$48,960
Median
$78,510
Experienced
$114,460
Source: Bureau of Labor Statistics. Salary data is for informational purposes only.
How to Get Licensed
Step-by-step roadmap to becoming a licensed MASTER PLUMBER in Wisconsin.
- 1
Complete Education Requirements
Degree required
- 2
Submit Background Check
No criminal record prohibitions
- 3
Pass the Required Exam
State exam required — State plumbing exam
- 4
Submit Your Application
File your application with the licensing agency.
- 5
Receive Your License
Processing typically takes 4-5 years apprenticeship + licensing.
MASTER PLUMBER Licensing in Wisconsin: What to Know
Wisconsin licenses Master Plumbers and several other plumbing credential types through the Department of Safety and Professional Services. CE is required for renewal. A degree is required (unusual for plumbing). State exam required. No criminal record prohibitions. Wisconsin law (s. 145.06 Stats.) prohibits plumbing installation without a credential — available as master plumber, master plumber-restricted, journeyman plumber, journeyman plumber-restricted, registered plumbing apprentice, registered plumbing learner-restricted, registered utility contractor, or registered pipe layer. Wisconsin has one of the most detailed credential tier systems for plumbing nationally.
Frequently Asked Questions
- How long does it take to get a MASTER PLUMBER license in Wisconsin?
- The process typically takes 4-5 years apprenticeship + licensing, depending on education completion and exam scheduling.
- What exam do I need for a MASTER PLUMBER license in Wisconsin?
- You need to pass the State plumbing exam. State exam required
Considering another state?
Compare MASTER PLUMBER requirements across states.
View all states →Data from CareerOneStop (DOLETA/DEED). Last updated: February 14, 2026.