Illinois licensing boards
What Illinois's own boards ask for before you can work in a licensed job: the requirement, the exam, the fee where the board publishes it, and renewal. National exams are written by national bodies, but the license comes from the state.
Professional licenses
Each card links the national license page on this site (education, national exams and other states).
Trade licenses
Each card links the trade's page on this site (training route, apprenticeship and pay).
Plumber
Illinois Department of Public Health (Illinois Plumbing License Law, 225 ILCS 320)
- Requirement
- At least 4 years as a licensed apprentice plumber, at least 2 years of high school (or equivalent), and an approved course of instruction at a college, university or trade school. Apprentice plumbers must be 16+ and sponsored by a licensed plumber or approved apprenticeship.
- Exam
- State plumber's examination (apply at least 30 days before the exam date)
- Renewal
- Every year by 30 April
Source: IDPH
View source
State and city government jobs
Government jobs are filled through each government's own hiring system; some need a civil service exam.
Work.Illinois.Gov
Illinois Department of Central Management Services (CMS)
- All jobs for agencies under the Governor are posted on Work.Illinois.Gov.
- Create an account and complete a candidate profile, then apply to the posting.
Source: Illinois CMS
View source
Licensed somewhere else?
Licenses do not move automatically between states. Each national license page shows interstate compacts (nursing, EMS and others) and what other states' boards publish.
Where these facts come from
Official and primary sources only, each checked on the date shown. Rules on testing, aid, licensing and immigration change, so confirm a detail with its source before you rely on it.
- Plumbing: licensing requirements and renewal · Illinois Department of Public Health checked 2026-10-21
- Application Procedures · State of Illinois, Department of Central Management Services checked 2026-10-21