Contractor registration rules, town by town
Illinois has no statewide general-contractor license. Each of these 37 south-suburban jurisdictions registers contractors itself. Here is what each one charges, requires and how it accepts applications — as published — with the source linked. TownCert tracks all of them for you.
| Jurisdiction | County | GC fee | Sub fee | Bond | Expires | Submit via | Data quality | |
|---|---|---|---|---|---|---|---|---|
| Frankfort | Will (small portion in Cook | $150 | $75 | $25,000 | Rolling (1 yr from issue) | Verified from official source | Checklist → | |
| Matteson | Cook | $150 | $150 | $10,000 | Rolling (1 yr from issue) | Online portal | Verified from official source | Checklist → |
| Oak Forest | Cook | $350 | $100 | $10,000 | Rolling (1 yr from issue) | Email (encouraged) / in person | Verified from official source | Checklist → |
| Olympia Fields | Cook | $100 | $100 | none | Rolling (1 yr from issue) | Verified from official source | Checklist → | |
| Park Forest | Cook and Will | $150 | $50 | $10,000 | Rolling (12th month after issue) | In person / mail only (no email) | Verified from official source | Checklist → |
| South Holland | Cook | $150 | $100 | $10,000 | Rolling (1 yr from payment) | Online portal only | Verified from official source | Checklist → |
| Thornton | Cook | $50 | n/p | $10,000 | Rolling (1 yr from issue/bond) | Fax / mail (per form) | Verified from official source | Checklist → |
n/p = not published online. 7 of 37 jurisdictions shown.