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Contractors in Illinois

432 listed from open map data, downloaded November 6, 2026.

Who Licenses Contractors in Illinois?

Illinois has no statewide general contractor license, and cities or counties set the rules. Threshold: None statewide. We list 432 contractors there, most in Chicago, Naperville, Champaign. We have not checked licenses for these listings, so check each one with the state or city.

Updated November 6, 2026 · Source: OpenStreetMap and a 51-state public summary; see the state rules page.

Illinois License Rules

By Trade in Illinois

Cities and Towns

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Contractors With Full Profiles

109 Southwest 2nd Street, Aledo

Map listing: license not checkedCarpenters & Framers

3842 West 116th Place, Alsip

Map listing: license not checkedPainters & Drywall

11154 South Lawler Avenue, Alsip

Map listing: license not checkedLandscaping & Fencing

417 South Arlington Heights Road, Arlington Heights

Map listing: license not checkedPlumbers

272 Sharon Drive, Barrington

Map listing: license not checkedWindows, Siding & Insulation

4201 W Pfeiffer Rd, Bartonville

Map listing: license not checkedLandscaping & Fencing

12270 W Wadsworth Rd, Beach Park

Map listing: license not checkedPainters & Drywall

Hiring in Illinois

Ask for the license or registration number and proof of insurance, get two or three written bids, keep payments behind the work, and confirm who pulls permits. The hiring checklist and the payment schedule calculator walk you through it. Trades such as electrical and plumbing are often licensed separately from general contracting, so ask about each one.

Sources: Washington L&I, Oregon CCB and New York DOL open data; © OpenStreetMap contributors (ODbL) · Data last updated November 6, 2026 · Sources & method