Home Business Rules in San Jose, CA (2026)

In San Jose, 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 Home Occupation Permit is required before operating. The San Jose Department of Planning, Building and Code Enforcement (PBCE) — Building Division or San Jose Department of Planning, Building and Code Enforcement (PBCE) — 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 San Jose.

Permit Requirements

Permit Required: Home Occupation Permit. Fee: $200. Apply through the San Jose Department of Planning, Building and Code Enforcement (PBCE) — Building Division or online at their permit portal. Phone: (408) 535-3555. 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 San Jose: 1. No customers or clients may visit the home for business purposes 2. No employees other than residents may work at the home address 3. No external evidence of business — no signs, altered appearance, commercial vehicles 4. Business activity must be incidental and secondary to residential use 5. Maximum 25% of floor area used for business 6. No mechanical equipment generating noise, odors, or vibrations beyond normal residential 7. No hazardous materials storage 8. No retail sales from the home premises (except Cottage Food) Violations of home occupation rules can result in complaints from neighbors, code enforcement investigations, permit revocation, and daily fines.

• •No customers or clients may visit the home for business purposes
• •No employees other than residents may work at the home address
• •No external evidence of business — no signs, altered appearance, commercial vehicles
• •Business activity must be incidental and secondary to residential use
• •Maximum 25% of floor area used for business
• •No mechanical equipment generating noise, odors, or vibrations beyond normal residential
• •No hazardous materials storage
• •No retail sales from the home premises (except Cottage Food)

Prohibited Business Types

The following business types are specifically prohibited from operating as home businesses in San Jose: Auto repair or body work; Beauty salon or barber shop with on-site clients; Medical or dental office with patient visits; Food preparation for sale (unless Cottage Food permit obtained); Firearms or ammunition dealer; Adult entertainment business; Any business creating traffic to the residential premises. This list may not be exhaustive — contact the San Jose Department of Planning, Building and Code Enforcement (PBCE) — Planning Division to verify whether your specific business type is allowed under home occupation rules.

• ✕Auto repair or body work
• ✕Beauty salon or barber shop with on-site clients
• ✕Medical or dental office with patient visits
• ✕Food preparation for sale (unless Cottage Food permit obtained)
• ✕Firearms or ammunition dealer
• ✕Adult entertainment business
• ✕Any business creating traffic to the residential premises

Cottage Food Law

Frequently Asked Questions