Illinois Plumbing Exams

Journeyman Plumber Practice Test Questions

Any Plumbing License Exam in Illinois will cover many topics including: Vents & Venting; Administrative Procedures; Fixtures; Drainage Systems and more.  Whether you live in Chicago, Aurora, Rockford or another city or county, the resources below will help you get started:

Prepare to Pass the Actual Plumbing Exam:
600 Plumber Exam Questions, Flash Cards, and Testing Tips

Need of a License: Plumbers and plumbing contractors need a license to work in Illinois.  

Who Grants a License: Plumbing licenses are regulated by the Illinois Department of Public Health. The City of Chicago also issues plumbing licenses for its jurisdiction.

Procedures for Getting a License:   A candidate must take an exam to obtain a plumbing license at the state level or in Chicago.

Qualifications to take the Exam and receive a License:  A candidate for a plumbing license must have been employed as an apprentice plumber for at least 4 years, completed a trade school program in plumbing and completed at least two years of high school. 

Plumbing contractors must register with the state, pay a fee and obtain a minimum of general liability, property damage, bodily injury and workers compensation insurance.  

How to Apply for the Test:  The application for a plumbing license at the state level can be found online at the Plumbing Program website. Mail the completed application to:

Illinois Department of Public Health
Office of Health Protection
Plumbing Program
525 W. Jefferson Street, 3rd Floor
Springfield, IL  62761

(217) 524-0791

In Chicago, the application can be found at the trade licensing web page. Mail the completed application to:

City of Chicago

Journeyman Plumber License

PO Box 388249

Chicago, IL 60638-8249

Test Content:  The Chicago plumbing exam is 3 hours in duration.  A score of 70 is needed to pass.  No calculators or reference materials can be brought into the testing site.  Calculators will be provided.  The test has the following content:

  • Plumbing Practice, Theory and Safety
  • Code Requirements for Plumbers and Contractors
  • Plumbing Systems
  • Rehabilitated Requirements
  • Drawings, Charts and Plans
  • Cutting and Assembling Plumbing System Components
  • Troubleshoot, Maintenance and Repair

Fees:  There are fees to take the test.

License renewal:  Licenses must be renewed each year.  There is a continuing education requirement.

Applicable Code:  Illinois has its own plumbing code.   Chicago also has its own plumbing code.


For more information on licensing and exam preparation, go to's

Journeyman Plumbing Test Guide

Master Plumbing Test Guide

And take's Plumbing Practice Test.

Prepare to Pass the Actual Plumbing Exam:
600 Plumber Exam Questions, Flash Cards, and Testing Tips