California · official local service finder

Business licenses & tax certificates in California

Check the local authority, requirements, applications, renewal, changes and public license searches for your business.

Check or apply for a business license Renew a business license Close or update a business license Look up a business license Register a business for stormwater compliance

Before you start · 4 things to check

Start with where your business is located and where it will operate. A county license may apply only to unincorporated areas or specific activities; cities can have their own requirements.
Some county offices provide guidance or referrals and do not issue a general business license. Read the entry before choosing an application.
A business license or tax certificate, an FBN/DBA filing, business entity registration and a professional license serve different purposes. Zoning, health and other activity permits may also apply. Business stormwater registration is a separate local programme where required.
Check the license period, renewal date and rules for changes in ownership or location. A renewal may not cover a move or a new owner. Fees and application steps depend on the license category.

5 guides with reviewed service links · Ventura

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Highlighted counties have a reviewed service guide matching this selection. An agency may serve only a city or part of a county.

California58 counties

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U.S. Census boundaries via U.S. Atlas · 2017 edition, simplified for display.

County government · Ventura

Tax Collector

Business licensing

County business tax certificate and license requirementsOfficial instructions

The county programme concerns business conducted in unincorporated areas, including specified activity there by city-based businesses. Check the business activity and separate permit approvals.

Service area: County business activity in unincorporated Ventura County; includes city-based businesses that conduct covered activity there. A city-only location does not establish county applicability. Area details & sources

Source checked October 16, 2026

Ventura County official website · Ventura County business requirements (opens in a new tab)

Reviewed business licensing instructions

All businesses, professions, trades, vocations, enterprises, establishments, occupations and callings being conducted in the UNINCORPORATED areas of the county must obtain a Business Tax Certificate and/or Business License.

Saved evidence: 6a7d9e026520b0a2 · Agent source review

Home-business zoning clearance and business tax certificate processOfficial instructions

Review the separate Planning home-occupation clearance and the Tax Collector certificate. Planning accepts the stated counter or Citizen Access submission; tax-certificate issuance is a separate step.

Service area: County business-tax certificate portion of the home-business process for activity conducted in unincorporated Ventura County; Planning clearance is a separate approval. Area details & sources

Source checked October 16, 2026

Ventura County official website · Ventura County business home occupation (opens in a new tab)

Reviewed business licensing instructions

Fill out the Tax Collector’s Business Tax Certificate Application form

Saved evidence: 937be282384366e5 · Agent source review

Full guide, contact details & sources →

City government · Ventura

City of Fillmore — Business licensing information

City of Fillmore

Business license information — City of FillmoreOfficial instructions

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

Service area: City of Fillmore Area details & sources

Source checked October 28, 2026

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

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

Business License

Saved evidence: 39b9c3c9b7b9ddcd · Agent source review

Full guide, contact details & sources →

City government · Ventura

City of Port Hueneme — Business licensing information

City of Port Hueneme

Business license information — City of Port HuenemeOfficial instructions

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

Service area: City of Port Hueneme Area details & sources

Source checked October 28, 2026

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

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

Business Licenses

Saved evidence: f41a4445eb34c716 · Agent source review

Renew a business license — City of Port HuenemeOfficial instructions

The State of California requires cities issuing business licenses to provide written notice to each applicant for a new or renewed business license of the following:

Service area: City of Port Hueneme Area details & sources

Source checked October 28, 2026

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

Visible topic-specific information on the official page

The State of California requires cities issuing business licenses to provide written notice to each applicant for a new or renewed business license of the following:

Saved evidence: f41a4445eb34c716 · Agent source review

Full guide, contact details & sources →

City government · Ventura