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Business License
All individuals and businesses doing work within city limits, whether or not they have a physical structure in the city, are required to have a business license. This includes contractors, internet and home-based businesses. Business license holders must display their license in public view at all times.
Business License Applications
Exemptions
Non-profits and certain businesses are exempt from paying fees under the Constitution of the United States or under the Constitution or laws of the State of California but must still register with the City. Licenses may be applied for in-person at City Hall during regular business hours.
Renewals
Annual license renewals, including payment, may be completed online.
Businesses that fall under SB 205, shall submit the SB 205 form with renewal application.
Dental offices shall submit the One-Time compliance Report for Dental Discharges form with the renewal application.
Notices
- Disability Access Requirements And Resources (Issued 12-28-18)
This notice provides access information and resources to building license and commercial building permit applicants. Versions in Spanish, Chinese, Tagalog, Vietnamese or Korean are available online.
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Planning Division
Physical Address
21810 Copley Drive
Diamond Bar, CA 91765
Phone: 909-839-7030
- What are business license requirements?
- Where can I obtain a license?
- What are the fees?
- How long does it take to process?
- Do I need additional permits or approvals?
- Where do I file a Fictitious Business Statement?
- Do I need a new license if my business changes its location, ownership, or name?
- When do I need to renew my license?
- Who do I call for business closure notification?
Resources
Agencies you may want to contact regarding your business:
- Better Business Bureau
Phone: 909-825-7280 - Cal-Gold - Business Permits Made Simple
- Department of Alcoholic Beverage Control
Phone: 626-256-3241 - Industrial Waste Permits
Phone: 626-574-0962 - Los Angeles County Fire Department
Phone: 909-620-2216- Fire sprinkler systems - 20+ heads
Phone: 323-890-4125
- Fire sprinkler systems - 20+ heads
- Los Angeles County Registrar/Recorder
Phone: 562-462-2177 - Regional Chamber of Commerce - San Gabriel Valley
Phone: 909-869-0701 - State Board of Equalization
Phone: 626-480-7200 - State Department of Industrial Relations
- Division of Labor Standards Enforcement
Phone: 909-595-2264 - DLSE Letter RE: New Business License
- Division of Labor Standards Enforcement