How to get licensed as a contractor in Illinois
Illinois has no statewide general contractor license. The state licenses two things: roofing contractors through the Illinois Department of Financial and Professional Regulation, and plumbers through the Illinois Department of Public Health. Everything else, including general contracting, electrical, and HVAC, is regulated city by city, with Chicago running the most involved program. Your licensing plan in Illinois is really a list of municipalities.
Licensing authority
Illinois Department of Financial and Professional Regulation: https://idfpr.illinois.gov
When a license is required
There is no state dollar threshold for general contracting because there is no state GC license. Roofing work requires an IDFPR roofing license at any price, and plumbing requires an IDPH plumbing license at any price. Local governments set their own registration rules and thresholds for everything else.
License classes in Illinois
Roofing contractor license
Required statewide under the Roofing Industry Licensing Act, in limited (residential) and unlimited flavors. Illinois is one of the few states that singles out roofing this way.
Plumbing contractor license
Plumbers license through the Illinois Department of Public Health, with apprentice and licensed plumber tracks, and plumbing contractors register on top.
Municipal general contractor licenses
Cities such as Chicago license general contractors themselves, with classes based on project size, insurance requirements, and fees. Suburbs typically run lighter registration programs.
Local electrical and trade registrations
Electrical and HVAC licensing happens at the municipal level, and many towns honor a license issued by another Illinois municipality. Ask before assuming.
What you need before you apply
- For roofing: pass the state roofing exam, show insurance, and hold the IDFPR license before advertising or working
- For plumbing: an IDPH plumbing license earned through apprenticeship and examination
- For GC work: each city's registration or license, commonly insurance certificates, a fee, and sometimes an exam
- General liability insurance at the limits your municipalities require
- Workers compensation coverage for employees
- A registered business entity in good standing with the state
How to get licensed in Illinois
- Separate state work from local work. Roofing and plumbing have state licenses with real requirements. Everything else is local, so your first step is listing the municipalities where you will pull permits.
- Get the state licenses if they apply. The roofing license requires an exam and proof of insurance through IDFPR. Plumbing runs through IDPH's apprenticeship and exam pipeline. Neither has a workaround.
- Register in each municipality. Chicago has a formal GC license with classes and fees; most suburbs require simpler contractor registration with insurance on file. Do this before the first permit application, since it gates the permit.
- Keep certificates current everywhere. Each town wants its own certificate of insurance naming it, and each has its own renewal cycle. A spreadsheet of towns, numbers, and expiration dates saves real money in re-registration fees.
Reciprocity with other states
There is no statewide GC license to reciprocate. The Illinois roofing and plumbing licenses are state-specific and exam-based, with no general acceptance of other states' licenses. Between municipalities, practices vary: some accept another Illinois city's license as evidence, others start from scratch.
Working without a license
Unlicensed roofing or plumbing work draws enforcement from IDFPR and IDPH, including fines, cease-and-desist orders, and criminal exposure for repeat conduct. For general contracting, penalties are municipal: stop-work orders, permit refusal, and local fines. Verify each city's current requirements with its building department, since ordinances change frequently.
Frequently asked questions
Does Illinois have a state general contractor license?
No. Illinois licenses roofing contractors through IDFPR and plumbers through IDPH, and leaves general contracting to municipalities. If someone claims to hold an Illinois state GC license, they are describing something that does not exist.
Do I need a license to roof in Illinois?
Yes, statewide, at any job size. The Roofing Industry Licensing Act requires an IDFPR roofing license, issued in limited form for residential work and unlimited form for everything. Advertising roofing services without the license is itself a violation.
What does Chicago require from general contractors?
Chicago licenses general contractors directly, with license classes tied to project size, insurance requirements, and city fees. Suburban towns mostly run lighter registration systems. If you work across the metro area, expect to register separately in each municipality where you pull permits.
Do handymen need a license in Illinois?
Not from the state, as long as the work is not roofing or plumbing. Municipal rules control, and many towns require contractor registration for permitted work regardless of size. Small repair work that needs no permit is usually unregulated, but confirm with the local building department.
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