EdgeLocal

Contractors in Illinois

54,773 contractors across 1,307 cities in Illinois are listed on EdgeLocal; the largest trade is general contractors with 8,354 businesses.

Hiring a contractor in Illinois

Illinois has no statewide general contractor license; licensing is handled by cities and counties. Roofers must be licensed by the Illinois Department of Financial and Professional Regulation, and plumbers by the Illinois Department of Public Health. Radon professionals are licensed by the Illinois Emergency Management Agency.

Northern Illinois has harsh winters and deep frost, while central and southern Illinois see severe thunderstorms, hail and humid summers. Illinois has a large stock of pre-1970 homes, particularly in Chicago-area suburbs and older downstate cities.

Most Illinois municipalities adopt International Codes with local amendments; Chicago maintains its own building code. Permits are issued locally.

Why EdgeLocal in Illinois

  • ✔ Illinois licenses roofers and plumbers at the state level — use EdgeLocal to shortlist pros, then verify licenses with the state.
  • ✔ Google ratings, review counts and hours on every profile — compare before you call.
  • ✔ Describe your project once and hear from up to 3 local pros. Free, no obligation.

Common home projects in Illinois

Typical U.S. ranges from industry sources (2024–25); not EdgeLocal data. Your quote will vary with scope, materials and location.

Browse Illinois contractors by trade

Largest cities

All cities in Illinois

Illinois contractor FAQs

Do Illinois roofers need a license?

Yes. Roofing contractors must hold a state license from the Illinois Department of Financial and Professional Regulation.

Does Illinois license general contractors?

Not at the state level. Many cities require local registration or licensing.

Do Illinois plumbers need a state license?

Yes. Plumbers are licensed by the Illinois Department of Public Health.

Is radon testing required in Illinois?

Radon disclosure is required in real estate transactions, and testing is strongly recommended statewide.

How do I verify an Illinois contractor?

Check state license lookups for licensed trades and ask your city about local registration requirements.

Illinois registry report