Cook County requires a simple affidavit (no fee) to establish a home occupation in unincorporated areas. The affidavit is sent to the Zoning Administrator by email. No formal permit application or inspection is required.
Cook County has a streamlined process for establishing home occupations in unincorporated areas. Homeowners submit an affidavit to the Zoning Administrator to register their home-based business. There is no fee required for this filing. The affidavit can be sent by email, making the process simple and accessible. No formal permit application, site inspection, or hearing is required. The home occupation must remain incidental and secondary to the residential use of the dwelling, meaning it must not alter the residential character, generate excessive traffic, or create noise beyond residential norms. The business must be conducted by a family member residing on the premises. The Zoning Administrator retains the affidavit for compliance monitoring and may follow up if complaints are received.
Home occupation violating conditions: zoning enforcement, $100–$1,000 fine. May be ordered to cease if residential character is altered.
Cook County, IL
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See how Cook County's home occupation permits rules stack up against other locations.
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