Home Business Rules in Berkeley, CA (2026)

In Berkeley, CA, home-based businesses are permitted subject to specific rules designed to preserve residential character while allowing residents to run legitimate businesses from their homes. A Berkeley Business License (Home Occupation) is required before operating. The Berkeley Planning and Development Department — Building Services or Berkeley Planning and Development Department — Planning Division 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 Berkeley.

Permit Requirements

Permit Required: Berkeley Business License (Home Occupation). Fee: $95. Apply through the Berkeley Planning and Development Department — Building Services or online at their permit portal. Phone: (510) 981-7440. Permits typically must be renewed annually. Operating without a required home occupation permit can result in fines and a requirement to cease business activity immediately.

Operating Restrictions

Home Business Restrictions in Berkeley: 1. Business must be incidental and secondary to residential use 2. No clients or customers visiting the home more than 4 times per week total 3. Maximum 1 non-resident employee at the home 4. No exterior signage indicating business activity 5. Maximum 25% of floor area for business use 6. No commercial vehicle storage over 6,000 lbs 7. No noise, odors, or vibration detectable beyond property line 8. Berkeley's residential neighborhoods have active neighborhood associations monitoring commercial activity Violations of home occupation rules can result in complaints from neighbors, code enforcement investigations, permit revocation, and daily fines.

• •Business must be incidental and secondary to residential use
• •No clients or customers visiting the home more than 4 times per week total
• •Maximum 1 non-resident employee at the home
• •No exterior signage indicating business activity
• •Maximum 25% of floor area for business use
• •No commercial vehicle storage over 6,000 lbs
• •No noise, odors, or vibration detectable beyond property line
• •Berkeley's residential neighborhoods have active neighborhood associations monitoring commercial activity

Prohibited Business Types

The following business types are specifically prohibited from operating as home businesses in Berkeley: Auto repair with customers on premises; Beauty salon with client visits; Medical or dental office with on-site patients; Food production without Alameda County Environmental Health permit; Any business that generates regular commercial vehicle traffic. This list may not be exhaustive — contact the Berkeley Planning and Development Department — Planning Division to verify whether your specific business type is allowed under home occupation rules.

• ✕Auto repair with customers on premises
• ✕Beauty salon with client visits
• ✕Medical or dental office with on-site patients
• ✕Food production without Alameda County Environmental Health permit
• ✕Any business that generates regular commercial vehicle traffic

Cottage Food Law

Frequently Asked Questions