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Business and licensing in California

Business registration, licenses and professional regulation.

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City business licenses do not replace state professional, tax or industry-specific requirements.

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46 reviewed links · Contra Costa

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Contra Costa, California

County context for browsing. Agency service areas may differ.

County business-license jurisdiction, activity requirements and exemptions (opens in a new tab)

Check where the business operates, including work in the unincorporated area by an outside business. Obtain required land-use approval before applying. Confirm fees and renewal timing with the county.

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Contra Costa County official website · Contra Costa County — business licensing discovery (opens in a new tab)

Reviewed business licensing instructions

The County Ordinance requires that you obtain a license for conducting business within the unincorporated areas, even if your business is located outside county limits or you hold a business license from another city.

Agent source review: October 16, 2026 · Snapshot c1ee49520641bd86

Apply after the required zoning and planning approval (opens in a new tab)

Use the official online application and attach the land-use approval notice when required. The Planning office at Muir Road is separate from the Tax Collector counter.

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Contra Costa County · Contra Costa — business-license application instructions (opens in a new tab)

Reviewed business licensing instructions

If your business is located in an unincorporated area of the County, you will first need to contact the Department of Conservation and Development at 925-655-2700 or visit them at 30 Muir Road, Martinez, CA 94553, for zoning and planning requirements and permits. Once zoning and planning approval is secured, you may complete the online Business License application and attach the approval notice.

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Request closure of an existing county business license (opens in a new tab)

Return the license with a written closure request, or use the mailbox the county designates for closure requests.

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Contra Costa County official website · Contra Costa County — business licensing discovery (opens in a new tab)

Reviewed business licensing instructions

To close a license, return your Business License with a written request, or email businfo@tax.cccounty.us.

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Choose the right entity filing (opens in a new tab)

Review entity-specific registration, signature and termination instructions. Sole proprietors, FBNs and local permits use separate routes.

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California Secretary of State · California Secretary of State — FAQs (opens in a new tab)

Main content — Form/register, license or terminate a business entity.

Form/register, license or terminate a business entity.

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Search records or order a certificate of status (opens in a new tab)

Find business records, certified copies and status certificates; some entity types and No Record requests require paper.

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California Secretary of State · California Secretary of State — Launch service: Get copies of business entity documents (opens in a new tab)

Main content — Certificates, Copies, Status Reports and Processing Times

Certificates, Copies, Status Reports and Processing Times

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Compare drop-off and expedited service (opens in a new tab)

Compare Sacramento handling and expedite charges, cutoffs and preclearance requirements. A timed response can still be a rejection.

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California Secretary of State · California Secretary of State — Service Options (opens in a new tab)

Main content — Drop-Off Service (Special Handling Service)

Drop-Off Service (Special Handling Service)

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Find the board for your profession (opens in a new tab)

Choose the actual board or bureau, then confirm its license type, application, materials, fees and eligibility.

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California Department of Consumer Affairs · California Department of Consumer Affairs — contact them directly through our directory (opens in a new tab)

Main content — Links to DCA Boards and Bureaus

Links to DCA Boards and Bureaus

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Find application, renewal and account help (opens in a new tab)

Some participating boards allow certain license applications and renewals through BreEZe. Use the correct board’s current instructions.

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California Department of Consumer Affairs · California Department of Consumer Affairs — About BreEZe page (opens in a new tab)

Main content — What online services does BreEZe allow?

What online services does BreEZe allow?

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Business license information — City of Brentwood (opens in a new tab)

The official source lists “Business Tax Certificate”. Follow the issuing provider's instructions for requirements and availability.

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Brentwood municipal government · Brentwood — business licensing discovery (opens in a new tab)

Exact named official link (entrance only; linked contents not reviewed)

Business Tax Certificate

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Renew a business license — City of Brentwood (opens in a new tab)

The official source lists “Business Tax Certificate Renewals”. Follow the issuing provider's instructions for requirements and availability.

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Brentwood municipal government · Brentwood — business licensing discovery (opens in a new tab)

Exact named official link (entrance only; linked contents not reviewed)

Business Tax Certificate Renewals

Agent source review: October 28, 2026 · Snapshot 35fe6827c14e7860

Renew a business license — City of Danville (opens in a new tab)

Our new portal is a one-stop-shop for business owners and is the FASTEST way to Apply for, Renew, Update, or Close a business license.

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Danville municipal government · Danville — business licensing discovery (opens in a new tab)

Visible topic-specific information on the official page

Our new portal is a one-stop-shop for business owners and is the FASTEST way to Apply for, Renew, Update, or Close a business license.

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Renew a business license — City of El Cerrito (opens in a new tab)

The official source lists “2026-2027 Business License Renewals”. Follow the issuing provider's instructions for requirements and availability.

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El Cerrito municipal government · El Cerrito — business licensing discovery (opens in a new tab)

Exact named official link (entrance only; linked contents not reviewed)

2026-2027 Business License Renewals

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Business license information — City of Oakley (opens in a new tab)

The official source lists “Business License Information”. Follow the issuing provider's instructions for requirements and availability.

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Oakley municipal government · Oakley — business licensing discovery (opens in a new tab)

Exact named official link (entrance only; linked contents not reviewed)

Business License Information

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Renew a business license — City of Oakley (opens in a new tab)

The official source lists “Business License Renewal Requirement”. Follow the issuing provider's instructions for requirements and availability.

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Oakley municipal government · Oakley — business licensing discovery (opens in a new tab)

Exact named official link (entrance only; linked contents not reviewed)

Business License Renewal Requirement

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Business license information — City of Pinole (opens in a new tab)

The official source lists “Business Licenses, Permits & Inspections”. Follow the issuing provider's instructions for requirements and availability.

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Pinole municipal government · Pinole — business licensing discovery (opens in a new tab)

Exact named official link (entrance only; linked contents not reviewed)

Business Licenses, Permits & Inspections

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Close or update a business license — City of Pinole (opens in a new tab)

Business licenses are not automatically closed after expiration. To inactivate a license, please notify the City in writing at the email below or 2131 Pear St. Pinole, CA 94564.

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Pinole municipal government · Pinole — business licensing discovery (opens in a new tab)

Visible topic-specific information on the official page

Business licenses are not automatically closed after expiration. To inactivate a license, please notify the City in writing at the email below or 2131 Pear St. Pinole, CA 94564.

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Renew a business license — City of Pittsburg (opens in a new tab)

The official source lists “Pay and Renew Business License Online”. Follow the issuing provider's instructions for requirements and availability.

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Pittsburg municipal government · Pittsburg — business licensing discovery (opens in a new tab)

Exact named official link (entrance only; linked contents not reviewed)

Pay and Renew Business License Online

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Business license directory or lookup — City of Pittsburg (opens in a new tab)

The official source lists “Active Business Licenses”. Follow the issuing provider's instructions for requirements and availability.

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Pittsburg municipal government · Pittsburg — business licensing discovery (opens in a new tab)

Exact named official link (entrance only; linked contents not reviewed)

Active Business Licenses

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Business license information — City of Pleasant Hill (opens in a new tab)

The official source lists “Business License Compliance”. Follow the issuing provider's instructions for requirements and availability.

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Pleasant Hill municipal government · Pleasant Hill — business licensing discovery (opens in a new tab)

Exact named official link (entrance only; linked contents not reviewed)

Business License Compliance

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Renew a business license — City of San Pablo (opens in a new tab)

It is your responsibility to renew the business license on time. If you do not receive a City courtesy notice two weeks prior to the expiration date, please contact City staff immediately. Penalties are assessed for delinquent accounts, regardless of whether or not you receive a courtesy renewal notice.

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San Pablo municipal government · San Pablo — business licensing discovery (opens in a new tab)

Visible topic-specific information on the official page

It is your responsibility to renew the business license on time. If you do not receive a City courtesy notice two weeks prior to the expiration date, please contact City staff immediately. Penalties are assessed for delinquent accounts, regardless of whether or not you receive a courtesy renewal notice.

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Close or update a business license — City of San Pablo (opens in a new tab)

6. City staff will issue you a business license. Business licenses are valid for one year. If you decide to change the location of your business, the new information must be supplied to the City of San Pablo. Business licenses are not automatically canceled. Please let us know if your business is closed by sending a written notification or give us a call.

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San Pablo municipal government · San Pablo — business licensing discovery (opens in a new tab)

Visible topic-specific information on the official page

6. City staff will issue you a business license. Business licenses are valid for one year. If you decide to change the location of your business, the new information must be supplied to the City of San Pablo. Business licenses are not automatically canceled. Please let us know if your business is closed by sending a written notification or give us a call.

Agent source review: October 28, 2026 · Snapshot dec662f35f522151

Business license information — City of Walnut Creek (opens in a new tab)

The official source lists “Business License Process”. Follow the issuing provider's instructions for requirements and availability.

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Walnut Creek municipal government · Walnut Creek — business licensing discovery (opens in a new tab)

Exact named official link (entrance only; linked contents not reviewed)

Business License Process

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Renew a business license — City of Walnut Creek (opens in a new tab)

The official source lists “Apply, Renew, Pay and Update a Business License Online”. Follow the issuing provider's instructions for requirements and availability.

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Walnut Creek municipal government · Walnut Creek — business licensing discovery (opens in a new tab)

Exact named official link (entrance only; linked contents not reviewed)

Apply, Renew, Pay and Update a Business License Online

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Official state service profiles

These 45 profiles are classified under this topic by California’s official state service directory. The county filter above does not establish local eligibility for them. Confirm availability and requirements on the official profile.