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Business Licenses

Thank you for your interest in doing business in the City of Clayton. If you will be conducting business within the City of Clayton and need to apply for a business license or renew your existing business license, you’ve come to the right place! We are pleased to offer online options for all business licenses. Payments can be made by Visa, MasterCard, Discover, or American Express online.

The City of Clayton recognizes the value and importance of a strong and varied business community. We appreciate our businesses and residents with a long-term investment in our community. Please see our frequently asked questions (FAQs) for answers to some of our common business license questions.


California Assembly Bill 3002 went into effect on January 1, 2019, requiring cities and counties to provide additional information regarding disability access requirements and related resources to business owners applying for business licenses.  To read the full notice in English click here.  Pursuant to California law, this informational notice is also available in Spanish, Chinese, Tagalog, Vietnamese and Korean.

  • Submit a business license application

    Renew your business license


    Pay an outstanding balance for business license

    Close a business

    Business search

    Report a problem

    Update business tax account information

Business License Tax Calculators

Below are business license tax and fee calculators for the most common businesses in town, however other tax rates and formulas may apply for special business operations as outlined in the Clayton Municipal Code.

General Gross Receipts Calculator

General Contractor Receipts Calculator