- Home occupation permit required:
- Yes
- Details:
- Warren County Code §180-17 requires a home occupation permit ($100 fee) for businesses operated in a residential dwelling. Conditions: (1) use must be entirely within the dwelling unit, clearly incidental and subordinate to residential use; (2) no more than 25% of floor area used for the home occupation; (3) only family members residing on the premises may be engaged in the occupation; (4) no change in outside appearance except one nonilluminated sign up to 2 sq. ft.; (5) no noisy/odorous equipment detectable outside; (6) no traffic generation exceeding normal residential levels; off-street parking required. Certificate of Zoning application submitted to Warren County Planning and Zoning Department. Unincorporated Warren County does not require a Certificate of Occupancy. Also available: By-Right permit ($100), Mobile Food Establishment permit ($50). Cities within Warren County (Warrenton, etc.) have separate rules.
- Home kitchen:
- Missouri state law (§196.298) permits home kitchen production of nonperishable baked goods, canned jams/jellies, and dried herbs with a $50,000 annual gross income cap and direct-to-consumer sales only. Internet sales are prohibited under the statute. State law expressly prohibits local health departments from regulating cottage food production (§196.298(3)(1)). Warren County has a zoning ordinance requiring a home occupation permit (Warren County Code §180-17) for businesses operated in residential dwellings.
Last verified 2026-05-06. Not legal advice.