Roofing Companies in Chicago, IL: 2026 Costs & How to Hire
Chicago is a flat-roof town wearing a pitched-roof disguise. Two-flats, courtyard buildings and most bungalow rear additions carry low-slope membrane that fails at the seams and parapets long before the shingles on the front slope wear out. Add freeze-thaw cycles, ice dams at the eaves and wind off the lake and you get a roof market where the detail work decides everything. Here is 2026 pricing and how to hire a roofer here.
By Jason Green · Roofing & Gutters · Published August 26, 2026 · 8 min read
Illinois actually licenses roofers — verify it
Unlike most trades, roofing is licensed statewide in Illinois. The Illinois Department of Financial and Professional Regulation issues a roofing contractor license, and you can look up the license number and its status in seconds on the IDFPR license lookup. The license requires proof of insurance, so a lapsed license usually means lapsed coverage. Verify the number matches the business name on your contract — storm chasers frequently borrow a number from another company. Then get the certificate of insurance from the agent, including workers compensation.
Flat and low-slope work is where bids diverge
If your roof has a flat section, ask exactly what system is being installed: modified bitumen, TPO, EPDM or built-up, and how many plies. Then ask about the parts that actually leak — parapet wall caps, base flashing height, scuppers and roof drains, and the transition to the pitched section. A bid that lists a square-foot price and nothing else is not comparable to a bid that details flashings. On pitched slopes, confirm ice and water shield at the eaves and valleys, which is the single best defense against Chicago ice dams.
Ventilation, decking and ice dams
Ice dams form when attic heat melts snow that refreezes at a cold eave. Insulation and ventilation fix that; a new roof alone does not. While the roof is open, it is inexpensive to add intake at the soffit and correct exhaust, and to air-seal attic bypasses. Ask for a written per-sheet allowance for replacing deteriorated decking so you are not negotiating mid-tear-off. On older buildings, ask whether the roof has multiple existing layers — Chicago tear-off and disposal costs climb quickly with each one.
Permits, contracts and warranties
Roof replacement in Chicago requires a permit through the Department of Buildings, and the licensed contractor should pull it. Illinois also gives you a three-day right to cancel a home repair contract signed at your home, and requires a written consumer rights brochure on jobs over a threshold amount — a company that skips that paperwork is telling you how the rest of the job will go. Separate the manufacturer material warranty from the workmanship warranty in writing, and never pay the balance before the final inspection passes.
Typical cost ranges
| Roof repair, isolated leak | $450 - $1,600 |
| Architectural shingle replacement, 1,600 sq ft | $10,500 - $18,000 |
| Architectural shingle replacement, 2,400 sq ft | $14,500 - $25,000 |
| Flat roof, modified bitumen, 1,200 sq ft | $9,000 - $17,000 |
| TPO or EPDM low-slope, 1,200 sq ft | $9,500 - $18,500 |
| Gutter replacement with reroof, average home | $1,600 - $3,900 |
Ranges are general estimates gathered from homeowner-reported quotes, not an offer or a quote for your project.
Common questions
How much does a new roof cost in Chicago?
In 2026, an architectural shingle replacement on a 1,600 square foot roof runs about $10,500 to $18,000, and a 1,200 square foot flat roof runs roughly $9,000 to $18,500 depending on the system and the parapet detailing.
Are roofers licensed in Illinois?
Yes. Roofing contractors must hold a state license from the Illinois Department of Financial and Professional Regulation. Look up the number on the IDFPR license lookup and confirm it matches the business on your contract.
Do I need a permit to replace a roof in Chicago?
Yes, roof replacement is permitted through the Chicago Department of Buildings, and your licensed contractor should pull the permit rather than asking you to do it.
How do I stop ice dams?
Fix the attic, not just the roof. Air-seal bypasses, add insulation and correct intake and exhaust ventilation, and require ice and water shield at the eaves and valleys during the reroof.
Want real numbers for your own project?
Two minutes now beats weeks of unreturned calls. Free, no obligation, never more than three roofers.
Get My Free Roofing QuotesLocal cost ranges, seasons, permits and licensing for this city live on the market page.
Roofers in Chicago, ILSources
More guides
The Henry Standard
Every roofer in our network agrees to three things.
Show up
Call back. Keep appointments. And if something changes, communicate it.
Quote honestly
Clear scope, materials, and pricing in writing—so you know what you're agreeing to.
Finish the work
See the job through and take care of the agreed-upon work before calling it finished.
Nothing revolutionary. Just the way we believe doing business should still be done.