PLUMBER License in Illinois
Quick Answer
To become a licensed plumber in Illinois, pass the state plumbing exam. CE required for renewal. No criminal record prohibitions. Licensed through the Illinois Department of Public Health — reflecting plumbing's public health role.
- Exam
- State plumbing exam
- Timeline
- 4-5 years apprenticeship + licensing
- Background Check
- Required
- Renewal
- Every Annual
Requirements
PLUMBER license in Illinois
PLUMBER Salary in Illinois
Entry Level
$47,880
Median
$96,200
Experienced
$123,290
Source: Bureau of Labor Statistics. Salary data is for informational purposes only.
How to Get Licensed
Step-by-step roadmap to becoming a licensed PLUMBER in Illinois.
- 1
Complete Education Requirements
No educational requirements
- 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.
PLUMBER Licensing in Illinois: What to Know
Illinois licenses plumbers through the Illinois Department of Public Health (not a typical licensing agency). CE is required for renewal. State exam required. No criminal record prohibitions. Plumbers install water supply, distribution lines, and drain/waste/vent systems in houses and buildings. Illinois's unique approach of housing plumber licensing under the public health department reflects the profession's role in protecting water safety. Chicago's massive infrastructure and commercial development create one of the largest plumbing markets in the Midwest.
Frequently Asked Questions
- How long does it take to get a PLUMBER license in Illinois?
- The process typically takes 4-5 years apprenticeship + licensing, depending on education completion and exam scheduling.
- What exam do I need for a PLUMBER license in Illinois?
- You need to pass the State plumbing exam. State exam required
Considering another state?
Compare PLUMBER requirements across states.
View all states →Data from CareerOneStop (DOLETA/DEED). Last updated: February 14, 2026.