Illinois Plumbing Contractor License

There are only three certifications that plumbers can obtain; the apprentice’s license, the plumber’s license, and the plumber’s contracting license.

Plumbing Apprenticeship Requirements

An apprentice plumber in Illinois is any person who is learning the trade while under the direct supervision of a superior. Apprentices must provide proof of sponsorship and may only hold an apprenticeship for up to six years. Below are the requirements:

Plumbing Reciprocity Application

Illinois Plumbing License Reciprocity. Chicago residents may apply for reciprocity with other Illinois districts, and vice versa, through the city’s Application for Reciprocity. Each application requires a $150 fee. Contact your local authorities to find out if your city or county holds a similar agreement.

How to get a Plumbing License

Illinois Plumbing License Requirements

The state of Illinois has neither a journeyman nor master's certification in the field of plumbing, except for in Chicago’s local union. Candidates instead go from an apprentice to a licensed plumber. In order to become a licensed plumber in Illinois the following requirements must be met:

Due 30 days prior to the date of examination.

  • Be a U.S. citizen or on the way to becoming one;
  • Have been employed as an apprentice plumber in the state of Illinois for at least four years;
  • Provide proof of experience;
  • Have completed at least two years of high school (or equivalent) and completed an approved plumbing course at a college, university, or trade school;
  • Complete the Plumber’s License: Application for Examination.

Application fees for plumbing licensure depend on the residence of the applicant. Persons from Chicago or outside the state of Illinois, for instance, must attach a $225 fee to each application. All other applicants native to the state of Illinois must attach a $175 fee. Fees may be given as a check or money order to the following address:

  • Illinois Department of Public Health
    Plumbing Program 525 W. Jefferson St., 3rd Floor
    Springfield, IL 62761