Cook County Contractor License Search (Illinois)

Perform a free Cook County, IL public contractor license search, including contractor license lookups, checks, and boards.


The Cook County Contractor License Search (Illinois) links below open in a new window and take you to third party websites that provide access to Cook County public records. Editors frequently monitor and verify these resources on a routine basis.

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Cook County Contractor License Search https://secure.cookcountyil.gov/b_z/contractors_info.php Look up Cook County, Illinois contractor licenses by name, business name, dba, and view information on complaint filings, applications and renewals.

Find Cook County Contractor Licenses

Cook County Contractor License Searches allow the public to look up Contractor Licenses in Cook County, Illinois. Contractor Licenses include information about a professional tradesperson's skills and areas of expertise, as well as legal protections. Professional Licenses are maintained by Illinois Secretary of State which also sets the requirements to receive a Contractor's License.

Learn about Contractor Licenses, Including:
  • Where to look up Contractor Licenses online
  • How to verify a contractor's license
  • How to apply for a Cook County Contractor License
  • What are the Cook County Contractor License requirements
  • How to check if a contractor is licensed and insured