What are business license requirements?

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. Applications and renewals are processed online at City Hall. Fees are determined at the time of application submission. Contact the Planning Division at 909-839-7030.

Show All Answers

1. What are business license requirements?
2. Garage and yard sales...what are the rules?
3. When and why do I need a building permit?
4. What are the rules for storage on my property?
5. How long may holiday lights be displayed?
6. Is there a regulation against storing inoperative motor vehicles?
7. I want to build an Accessory Dwelling Unit (ADU) on my property. What are the requirements and process?
8. Are short-term rentals allowed?
9. What is the Diamond Bar Zoning Map, and how can I see a copy?