Plumber License Requirements in Illinois

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

How to Get Your Plumber License in Illinois

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 Overview

Age Requirement 18+ years old
Experience Completion of a 4-year plumbing apprenticeship or 8,000 hours of supervised experience.
Education High school diploma or GED; plumbing trade school may reduce experience requirement
Apprenticeship 8,000 hours required
Background Check Required

Fee Breakdown

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

Exam Information

Exam Name
Journeyman Plumber Exam
Exam Provider
Prometric
Exam Fee
$115

Insurance & Bonding

Insurance Requirements

General LiabilityWorkers 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. Working without a proper license can result in fines and legal penalties.
How much does a plumber license cost in Illinois?
The total initial cost for a plumber license in Illinois is approximately $345, which includes the application fee ($85), license fee ($145), and exam fee ($115). Renewal costs $95 every 2 years.
What exam do I need to pass for a plumber license in Illinois?
You must pass the Journeyman Plumber Exam, administered by Prometric. The exam fee is $115.
How much experience do I need to become a licensed plumber in Illinois?
Completion of a 4-year plumbing apprenticeship or 8,000 hours of supervised experience. An apprenticeship of 8,000 hours is also required.
Can I use my plumber license from another state in Illinois?
Illinois does not currently have formal reciprocity agreements for plumber licenses. You will need to apply for a new license and meet all Illinois requirements, including any required examinations.

Other Trades in Illinois

Plumber in Other States