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How to get a plumber license in Illinois

Requirements, license levels, and the issuing authority — sourced from Illinois's official board.

CE now confirmed at 4 hours annually.

Issuing authority: Illinois Department of Public Health (IDPH), Plumbing Program. Official page: https://dph.illinois.gov/topics-services/environmental-health-protection/plumbing.html

License levels in Illinois

Illinois plumber licensing at a glance

RequirementsGoverned by the Illinois Plumbing License Law (225 ILCS 320). Plumber: employed as a licensed apprentice for a minimum of 4 years (48-72 months), completion of at least 2 years of high school (or equivalent) plus approved coursework through a college/university/trade school, then pass the state licensing exam. Apprentice: sponsored/registered.
ReciprocityNot established statewide.
RenewalPlumber licenses renew annually by April 30; 4 hours of continuing education required annually. (Plumbing-contractor registrations expire annually Sept. 30.)
NotesCE now confirmed at 4 hours annually.

Questions

Do you need a license to work as a plumber in Illinois?
CE now confirmed at 4 hours annually.
What plumber license levels does Illinois have?
The levels are Plumber's Apprentice, Licensed Plumber, Plumbing Contractor (registration), Irrigation Contractor, Retired Plumber.
How do you get licensed as a plumber in Illinois?
Governed by the Illinois Plumbing License Law (225 ILCS 320). Plumber: employed as a licensed apprentice for a minimum of 4 years (48-72 months), completion of at least 2 years of high school (or equivalent) plus approved coursework through a college/university/trade school, then pass the state licensing exam. Apprentice: sponsored/registered.
Does Illinois have plumber license reciprocity?
Not established statewide.

Related

Supply
How many plumbers in Illinois
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All Illinois trades pages

Sources: dph.illinois.gov. Always confirm current requirements with the issuing authority.

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