Home Business Rules in St. Louis, MO (2026)

In St. Louis, MO, 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 St. Louis Building Division (Community Development Administration) or St. Louis City Planning and Urban Design Agency 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 St. Louis.

Permit Requirements

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

Operating Restrictions

Home Business Restrictions in St. Louis: 1. Home occupation must be incidental to the residential use 2. No exterior signage — St. Louis zoning code prohibits home occupation signs in residential zones 3. No customers visiting the premises in residential zones A-E 4. No non-resident employees working on the premises 5. Maximum 25% of dwelling floor area used for business 6. No outdoor storage of business-related equipment or inventory 7. No mechanical or electrical equipment creating noise or vibration beyond lot line Violations of home occupation rules can result in complaints from neighbors, code enforcement investigations, permit revocation, and daily fines.

• •Home occupation must be incidental to the residential use
• •No exterior signage — St. Louis zoning code prohibits home occupation signs in residential zones
• •No customers visiting the premises in residential zones A-E
• •No non-resident employees working on the premises
• •Maximum 25% of dwelling floor area used for business
• •No outdoor storage of business-related equipment or inventory
• •No mechanical or electrical equipment creating noise or vibration beyond lot line

Prohibited Business Types

The following business types are specifically prohibited from operating as home businesses in St. Louis: Auto repair or auto body work; Firearms sales or gunsmithing; Commercial food service requiring commercial kitchen (except cottage food); Medical or dental clinic with patients; Dog breeding or boarding kennel. This list may not be exhaustive — contact the St. Louis City Planning and Urban Design Agency to verify whether your specific business type is allowed under home occupation rules.

• ✕Auto repair or auto body work
• ✕Firearms sales or gunsmithing
• ✕Commercial food service requiring commercial kitchen (except cottage food)
• ✕Medical or dental clinic with patients
• ✕Dog breeding or boarding kennel

Cottage Food Law

Frequently Asked Questions