Business License in Chicago

Apply for a local business license.

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Check online eligibility for business license Business License — full guide

Bring identity, Social Security proof, and residency documents

Contact details from the official city/county government page listed as the source.

121 N. LaSalle St., Room 805Chicago IL 60602

312-744-6060

Mon–Fri	8:30 a.m.–4:30 p.m.

Official website Online service Details

Full guide for Chicago

Contact details from the official city/county government page listed as the source.

121 N. LaSalle St., Room 805Chicago IL 60602

312-744-6060

Mon–Fri	8:30 a.m.–4:30 p.m.

Official website Online service Details

Content last checked: 8/11/2026 · Chicago offices