Plumber License in Illinois

Everything you need to know about getting your plumber license in Illinois. A state license is required.

How to Get Licensed: Step by Step

1

Meet Basic Requirements

Be at least 18 years old with a valid ID. Pass a background check.

2

Complete Education

High school diploma or GED; plumbing trade school may reduce experience requirement

3

Gain 4 Years of Experience

Completion of a 4-year plumbing apprenticeship or 8,000 hours of supervised experience.

4

Complete Apprenticeship

Complete 8,000 hours of apprenticeship training.

5

Pass the Journeyman Plumber Exam

Register with Prometric and pass the required licensing exam.

6

Obtain Insurance & Bonding

Secure General Liability, Workers Compensation insurance.

7

Submit Application

Apply to the Illinois Department of Public Health — Plumbing. Pay the application and license fees.

Requirements

Age Requirement18+
Experience4 years — Completion of a 4-year plumbing apprenticeship or 8,000 hours of supervised experience.
EducationHigh school diploma or GED; plumbing trade school may reduce experience requirement
Apprenticeship8,000 hours
Background CheckRequired

Fee Breakdown

Application Fee$85
License Fee$145
Exam Fee$115
Total Initial Cost$345
Renewal Fee (every 2 years)$95

Exam Information

Exam Name
Journeyman Plumber Exam
Provider
Prometric
Exam Fee
$115

Insurance & Bonding

Insurance Requirements

Required Types:

  • General Liability
  • Workers Compensation

Minimum Coverage:

$500,000 per occurrence / $1,000,000 aggregate

Continuing Education

Hours Required
16 hours
Period
Every 2 years

Frequently Asked Questions

Do I need a license to work as a plumber in Illinois?
Yes, Illinois requires a state license for plumbers. The license is issued by the Illinois Department of Public Health — Plumbing.
How much does a plumber license cost in Illinois?
The total initial cost is approximately $345, which includes the application fee ($85), license fee ($145), and exam fee ($115). Renewal costs $95 every 2 years.
How long does it take to get a plumber license in Illinois?
You'll need 4 years of experience before you can apply. Once you meet all requirements, the application process typically takes 4-8 weeks.
Is there a plumber exam in Illinois?
Yes, you must pass the Journeyman Plumber Exam, administered by Prometric. The exam fee is $115.
Does Illinois have reciprocity with other states for plumber licenses?
Illinois does not currently have reciprocity agreements for contractor licenses with other states.

Last verified: March 4, 2026

Information sourced from Illinois Department of Public Health — Plumbing. Always verify directly with the licensing authority for the most current requirements.

See something inaccurate?

Licensing requirements change frequently. If you notice outdated or incorrect information about Illinois Journeyman Plumber License, please let us know.

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