Detroit, MI Home Business: Signage Rules (2026)
Key Facts
- Exterior signage
- Not permitted
- Governing rule
- No visible evidence of home occupation
- Former sign section
- Repealed 2020
- Enforcing agency
- BSEED
Summary
Detroit bars any exterior sign for a home-based business: the zoning code requires zero visible evidence of a home occupation from the street or a neighboring lot.
There shall be no visible evidence of the conduct of a home occupation when viewed from the street right-of-way or from an adjacent lot. Home occupations shall not involve any exterior alteration that would affect a substantial change in the residential character of the building.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 4).
Full Breakdown
Detroit repealed its old home-occupation signage section outright in 2020. What's left, Sec. 50-12-489, is stricter than a sign-size limit: it bans any visible evidence of the home occupation at all when viewed from the street right-of-way or an adjacent lot, and bars exterior alterations that would change the residence's look. A yard sign, window sign, or storefront-style signage for a home business is not allowed anywhere in the city.
Violations & Fines
Buildings, Safety Engineering and Environmental Department (BSEED) enforces zoning compliance; a visible sign or exterior alteration is a code violation subject to a correction order and citation.
Frequently Asked Questions
Can I put a small sign in my window for my home business in Detroit?
Did Detroit used to allow home occupation signs?
Sources & Official References
Other rules in Detroit
Compare Detroit to another location·View the Michigan home business overview
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Signage Rules in Nearby Cities
How other cities in Wayne County handle signage rules.