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Home Business in Costa Mesa, CA (2026)

3 verified home business rules for Costa Mesa, California, sourced directly from the municipal code and official government pages.

Verified from official government sources

Zoning Restrictions

Costa Mesa requires a home occupation permit to operate any business from a residentially zoned area under CMMC Article 6. No business license is issued until a home occupation permit has been approved. Employees must be permanent residents of the premises only.

Costa Mesa Home Occupation Zoning Rules

Some Restrictions

Signage Rules

Costa Mesa prohibits any alteration of the dwelling exterior for home business purposes including signage, lighting changes, or commercial modifications under CMMC Article 6. The business must not be identifiable from outside.

Costa Mesa Home Business Signage Rules

Heavy Restrictions

Customer Traffic Restrictions

Costa Mesa home occupations that involve customer visits require a minor conditional use permit. Without one, no customers may visit. With approval, up to 1 customer at a time and 8 per day maximum are allowed under CMMC Article 6.

Costa Mesa Home Business Customer Traffic

Some Restrictions

Looking for Orange County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Costa Mesa city rules.

Home Business in Orange County