Diamond Bar, CA · Los Angeles County

No notary required

Business License Application

Diamond Bar businesses use this application to request or renew a business license and provide business, owner, and contact information to the city.

What this form is

This application is for businesses requesting a new Diamond Bar business license or renewing or changing an existing license. It asks for business and owner details, contact information, business activities, and the type of application. New, home-based, and relocated businesses must also complete the included zoning clearance application; certain business types must provide background check information.

Who needs it

Business owners applying for or renewing a Diamond Bar business license should complete this application, including applicable zoning clearance and background check sections.

How to submit it

The form lists the Community Development Department at 21810 Copley Drive, Diamond Bar, CA 91765. Submit the completed application to that department.

About notarization

This document is signed without a notary; the application includes declarations under penalty of perjury, which the signer must sign and date.

How to submit this form

  1. 1

    Download The Application

    Download the Business License Application PDF.

  2. 2

    Complete The Application

    Provide business, owner, and contact information, describe business activities, and select the applicable application type.

  3. 3

    Complete Applicable Sections

    Complete the zoning clearance section if required. Businesses listed for background checks should provide the requested applicant information.

  4. 4

    Sign And Submit

    Sign and date the applicable declarations, then submit the application to the Community Development Department at the address shown.

Frequently asked questions

Do I need a notary for the Business License Application?
No. The application has no notary block; it includes declarations under penalty of perjury that the signer must sign and date.
How do I submit the Business License Application?
Submit the completed application to the Community Development Department at 21810 Copley Drive, Diamond Bar, CA 91765.
Who needs to complete the zoning clearance section?
The form says zoning clearance is required for new Diamond Bar businesses, home-based businesses, and businesses that have moved to a new city location.
Which businesses must provide background check information?
The application lists business types requiring a background check, including massage establishments, bars and nightclubs, and towing companies. Check the form for the full list.

Need something notarized?

This Business License Application doesn’t need a notary — but if you have another Diamond Bar form that does, a commissioned online notary can help.