Home Business Rules in Detroit, MI (2026)

In Detroit, MI, home-based businesses are permitted subject to specific rules designed to preserve residential character while allowing residents to run legitimate businesses from their homes. No city permit is required, though deed restrictions or state licensing may apply. The local building department or local planning department handles home occupation applications and enforcement. Regulations generally prohibit on-site employees, customer visits, and any external evidence of business activity. Below you will find the current permit requirements, restrictions, prohibited business types, and cottage food law provisions for Detroit.

Permit Requirements

No city permit is required. No city permit application or fee is required to operate a home-based business in Detroit under current regulations. However, state professional licensing requirements still apply (contractors, real estate agents, cosmetologists, etc.). Check your property's deed restrictions — many Detroit neighborhoods have private deed restrictions that prohibit commercial activity in residential areas regardless of city rules.

Operating Restrictions

No specific restrictions listed beyond standard building code requirements for Detroit home-based businesses.

• •Home occupation must be incidental to the residential use
• •No exterior signage advertising the business
• •No customers or clients visiting the premises in R1-R3 zones
• •No employees other than those residing in the dwelling
• •No outside storage of business materials or equipment
• •Business activity must not be visible from the street
• •Maximum 25% of floor area used for business

Cottage Food Law

Frequently Asked Questions