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Business License

The following information is provided to assist persons interested in establishing and conducting a business in the City of San Dimas. It is not warranted to be all inclusive. Any errors or omissions herein will not relieve the business owner of his/her responsibility, obligation or liability in fulfilling all legal requirements.

What is a business license?

A business license is an annual tax required by all businesses doing business within the City of San Dimas, and it must be obtained before any business, profession, trade, or occupation is conducted. A business license application and payment of the license tax is required of all business operating in the City. This includes home occupations and business locations outside of San Dimas that periodically conduct business in the City.

Who needs a business license?

Anyone who operates a business or performs a service within the City of San Dimas is required to apply for and retain a business license (a.k.a., business tax certificate), unless exempted by the IRS.

Most businesses will also require special permits and authorization prior to the issuance of the business license. These permits and procedures are explained in the following steps for starting a business in San Dimas.

Determine a business name.

If the name you choose for your business is anything other than your own legal surname, California state law requires you to file a fictitious name statement in order to ensure that the public knows with whom they are conducting business. For detailed information in determining a business name, visit the Los Angeles County Clerk's Office website at L.A. Vote.

Determine the business site location and obtain the required permits.

Every business must meet the City's zoning requirements to insure that the business activity is allowed at the proposed location. Contact the City's Planning Department at (909) 394-6250 prior to signing any leases, agreements, or moving in for specific zoning requirements and limitations. If your business is not permitted in the zoning district you have chosen, planners can advise you of the proper zoning district(s) for your business.

Businesses operating under certain Standard Industrial Classification (SIC) codes (those between 0211 and 5171) must obtain coverage under the State Water Resource Control Board's (SWRCB) General Industrial Stormwater Permit No. NPDES CAS000001. For more information contact the City's Public Works Department at (909) 394-6244 or visit the SWRCB website regarding the specific requirements.

Home Occupation Permits are required for businesses conducted from a residence. Applications for such a permit can be obtained by clicking below to download a PDF version of the form. All applications are reviewed by the Planning Department.

Get a Home Business Permit Application

Obtain any permits or licenses required by state or federal government for your business.

The state and federal governments have additional requirements for businesses. Certain businesses are required to obtain permits from the Department of Consumer Affairs and/or state and local environmental agencies. For detailed information regarding your type of business, visit the CalGold Business Permits Made Simple website.

Apply for your business license.

After you have obtained the required permits and have received the appropriate approval for your business location, you can apply for your business license. Applications can be obtained in person at San Dimas City Hall or by calling (909) 394-6224. Click below for a printable PDF version of the application.

Get a Business License Application

If you are a state licensed contractor, you will also need a Worker's Compensation Declaration Form.

Get a Worker's Compensation Declaration Form

To calculate the amount of your business tax, click below for a printable PDF version of our rate schedule.

Business License Fees

State Fee for Construction-Related Accessibility

On September 19, 2012 Governor Brown signed into law SB-1186 which adds a state fee of $1 on any applicant for a local business license or similar instrument or permit, or renewal thereof. The purpose is to increase disability access and compliance with construction-related accessibility requirements and to develop educational resources for businesses in order to facilitate compliance with federal and state disability laws, as specified.

Under federal and state law, compliance with disability access laws is a serious and significant responsibility that applies to all California building owners and tenants with buildings open to the public. You may obtain information about your legal obligations and how to comply with disability access laws at the following agencies:

For more information regarding business license in the City of San Dimas, please contact the licensing division at (909) 394-6224.

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