Short answer: Exchange lists 14 roofing contractors in Illinois. Illinois is one of the few states with a dedicated roofing licence: the Roofing Industry Licensing Act, 225 ILCS 335, administered by the Department of Financial and Professional Regulation. Licences are Limited (residential up to eight units) or Unlimited, require a qualifying party to pass an examination, and the licence number must appear on every contract, bid, advertisement and vehicle.
Roofing contractors in Illinois
Most states regulate roofing indirectly, through a general contractor licence or a home improvement registration. Illinois regulates it directly and by name. The Roofing Industry Licensing Act created a trade licence with its own examination, its own insurance minimums and its own criminal penalties, and it is enforced. That changes the practical calculus for anyone crossing in from Indiana, Missouri, Iowa or Wisconsin: the credential is not transferable, there is no reciprocity, and operating without it is a criminal offence rather than a civil one.
The licence classes and who needs them
An Unlimited licence permits roofing work on any structure. A Limited licence is confined to residential property of eight units or fewer. Both are issued to the business entity and both depend on a designated qualifying party — an individual who has passed the state examination and who must be an owner, officer or full-time employee. If the qualifying party leaves, the firm has a limited window to replace them or the licence lapses. The Act also sets minimum public liability and property damage insurance and requires proof of workers' compensation coverage, and the licence number must be displayed on contracts, bids, advertising and commercial vehicles — a display requirement that is genuinely policed, because it is the easiest violation for an inspector or a competitor to document.
Licence classes at a glance
| Class | Scope | Qualifying party exam | Issued to |
|---|
| Unlimited roofing contractor | All roofing work, residential and commercial, no unit limit | Yes | Business entity, via a designated qualifying party |
| Limited roofing contractor | Residential property of eight units or fewer | Yes | Business entity, via a designated qualifying party |
| City of Chicago licensing and bonding | Work within Chicago, in addition to the state licence | No separate trade exam | Business entity |
Unlicensed roofing is a criminal matter here
Performing roofing work without a licence in Illinois is a Class A misdemeanour, and a subsequent offence is a Class 4 felony. The Department can also issue cease and desist orders and civil penalties per violation. For a homeowner, hiring an unlicensed roofer voids much of the practical recourse the Act was built to create; for a contractor, it converts a collection dispute into an enforcement file. This is the single largest difference between working in Illinois and working in the neighbouring states, and it is the fact most often misunderstood by storm-chase operations moving along the I-70 and I-74 corridors after a hail event.
The Home Repair and Remodeling Act sits on top
Separately from the roofing licence, the Home Repair and Remodeling Act at 815 ILCS 513 requires a written contract or work order for residential repair or remodelling above $1,000, signed before work begins, stating the total cost including materials and labour. For contracts above that threshold the contractor must also furnish the consumer with the state's "Home Repair: Know Your Consumer Rights" pamphlet and obtain a signed acknowledgement. Failure to do either is an unlawful act under the Consumer Fraud and Deceptive Business Practices Act, which carries actual damages, attorney fees and the possibility of punitive damages. Roofers who have the licence right and the paperwork wrong are a recurring pattern in Illinois consumer litigation.
Chicago is a second jurisdiction
The state licence does not by itself clear work inside the City of Chicago. Chicago maintains its own contractor licensing and bonding requirements and its own construction code — the Chicago Construction Codes, rebuilt in 2019 on the International Building Code with extensive municipal amendments, replacing a code that had diverged from the model documents for decades. Permit review, inspection sequencing and approved materials lists differ from the surrounding collar counties, and a re-roof that is permit-exempt in DuPage County may not be in the city. Firms working both sides of that line should treat Chicago as a separate operating jurisdiction rather than a variation.
Snow, ice and the northern third of the state
Illinois runs four hundred miles north to south and the roofing problem changes over that distance. Cook, Lake and McHenry counties carry ground snow loads in the twenty-five pound per square foot range with sustained freeze-thaw cycling, and ice damming on the shallow-pitch bungalow stock across Chicago's north and northwest sides is a design condition rather than a maintenance issue — the fix is ventilation, air sealing at the ceiling plane and generous ice barrier, and heat cable is the symptom of a roof built without them. The flat and low-slope stock across the city's two-flat and three-flat inventory is a distinct market with its own failure modes, dominated by modified bitumen and single-ply, where drainage and parapet detailing decide service life.
Hail, wind and the central corridor
Central and southern Illinois sit inside the severe convective corridor. Hail events through the Springfield, Decatur, Bloomington and Champaign belt drive an insurance-funded replacement cycle, and impact-resistant Class 4 shingles have moved from upsell to default specification on those claims. Derecho and straight-line wind events across the same corridor load a roof edge the way coastal wind does, without any of the coastal detailing being present, so edge metal and starter-course attachment are the details that decide whether a field survives. Illinois has adopted the state energy conservation code on the 2021 International Energy Conservation Code base, which reaches roofing through insulation continuity and air barrier requirements on re-roof work that exposes the deck.
Liens and payment
The Illinois mechanics lien statute at 770 ILCS 60 gives a subcontractor ninety days from last furnishing to serve notice on the owner on owner-occupied residential property, and four months from last furnishing to record the lien claim to preserve priority against third parties, with a two-year outer limit on suit. The notice requirement is the one most often missed, and it is fatal rather than curable. Roofers working as subcontractors on commercial re-roofs should calendar the ninety-day notice at mobilisation. Illinois also permits recovery of attorney fees in limited circumstances, which changes the economics of a small lien claim relative to neighbouring states.
Verify a licence and check the source
Check a roofing licence directly with the state before you rely on it: Roofing Industry Licensing, Illinois Department of Financial and Professional Regulation; IDFPR licence lookup; Illinois Compiled Statutes, including 225 ILCS 335 and 815 ILCS 513; Chicago Department of Buildings.
Roofing & Waterproofing contractors in other regions: Arizona, California, Colorado, Florida, Georgia, Indiana, Louisiana, Massachusetts, Michigan, Minnesota, Missouri, New York, North Carolina, Ohio, Oklahoma, Ontario, Pennsylvania, South Carolina, Tennessee, Texas, Utah, Virginia, Washington.
Other trades in Illinois: Architect, General Contracting, HVAC.
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