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Business licenses & tax certificates in California

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

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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 · Solano

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County government · Solano

Resource Management — Business License Coordinator

Business licensing requirements and referrals depend on the business activity and its location. Read the specific service scope before applying.

County business licensing, exemptions and required zoning clearance (opens in a new tab)Official instructions

Check the county code and stated exemptions, then obtain Planning’s zoning clearance before the business-license application can be accepted. Incorporated-city businesses use their city authority.

Service area: Businesses located in unincorporated Solano County; the stated service-provider and agricultural exemptions need to be checked. Area details & sources

Source checked October 16, 2026

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

Reviewed business licensing instructions

The Department of Resource Management issues business licenses for businesses located in the unincorporated area of Solano County.

Saved evidence: afec3a3e6a3aa272 · Agent source review

Submit the business-license zoning-clearance application (opens in a new tab)Official online service

Create or use the county portal account and choose Planning, then Business License Zoning Clearance Form. This first step is zoning clearance; the coordinator provides the license application after approval.

Service area: Zoning-clearance intake for businesses seeking a Solano County license in the unincorporated area. Area details & sources

Scheduling the zoning-clearance site inspection

After submitting zoning clearance, call Planning Services to schedule the site inspection; the stated 8:30 am–4 pmwindow is for scheduling, not general counter hours.

Official information checked October 16, 2026 · Details & sources

Source checked October 16, 2026

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

Reviewed business licensing instructions

Before a new Business License application can be accepted, an approved Business License Zoning Clearance by the Planning Services Division is required.

Saved evidence: afec3a3e6a3aa272 · Agent source review

Full guide, contact details & sources →
City government · Solano

City of Dixon — Business licensing information

City of Dixon

Business license information — City of Dixon (opens in a new tab)Official instructions

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

Service area: City of Dixon Area details & sources

Source checked October 28, 2026

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

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

Apply for a Business License

Saved evidence: 7add71ab5c225981 · Agent source review

Full guide, contact details & sources →
City government · Solano

City of Fairfield — Business licensing information

City of Fairfield

Business license information — City of Fairfield (opens in a new tab)Official instructions

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

Service area: City of Fairfield Area details & sources

Source checked October 28, 2026

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

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

Business License

Saved evidence: 6ba3fabc7021d373 · Agent source review

Renew a business license — City of Fairfield (opens in a new tab)Official instructions

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

Service area: City of Fairfield Area details & sources

Source checked October 28, 2026

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

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

Business License Renewal

Saved evidence: 6ba3fabc7021d373 · Agent source review

Close or update a business license — City of Fairfield (opens in a new tab)Official instructions

How do I close a business license?

Service area: City of Fairfield Area details & sources

Source checked October 28, 2026

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

Visible topic-specific information on the official page

How do I close a business license?

Saved evidence: 6ba3fabc7021d373 · Agent source review

Full guide, contact details & sources →
City government · Solano

City of Suisun City — Business licensing information

City of Suisun City

Business license information — City of Suisun City (opens in a new tab)Official instructions

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

Service area: City of Suisun City Area details & sources

Source checked October 28, 2026

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

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

Business Licenses

Saved evidence: 6d73be9d6b13e295 · Agent source review

Renew a business license — City of Suisun City (opens in a new tab)Official instructions

The BID collects an annual assessment from its members to finance its activities. The assessment, which is based upon business type and location, is collected as a separate line item on the City’s annual business license renewal invoice. The BID waives the assessment for the reminder of the first calendar year in which a business locates in the district boundaries.

Service area: City of Suisun City Area details & sources

Source checked October 28, 2026

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

Visible topic-specific information on the official page

The BID collects an annual assessment from its members to finance its activities. The assessment, which is based upon business type and location, is collected as a separate line item on the City’s annual business license renewal invoice. The BID waives the assessment for the reminder of the first calendar year in which a business locates in the district boundaries.

Saved evidence: 6d73be9d6b13e295 · Agent source review

Full guide, contact details & sources →
City government · Solano

City of Vacaville — Business licensing information

City of Vacaville

Business license information — City of Vacaville (opens in a new tab)Official instructions

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

Service area: City of Vacaville Area details & sources

Source checked October 28, 2026

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

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

Business Licenses

Saved evidence: d6bc69fe22eeb750 · Agent source review

Renew a business license — City of Vacaville (opens in a new tab)Official instructions

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

Service area: City of Vacaville Area details & sources

Source checked October 28, 2026

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

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

Apply and Renew Business Licenses Online

Saved evidence: d6bc69fe22eeb750 · Agent source review

Business license directory or lookup — City of Vacaville (opens in a new tab)Official instructions

In an ongoing effort to reduce our carbon footprint, and at the same time make things a little easier for our entrepreneurs, the City of Vacaville has a new way for business owners to manage their business licenses online. Participants will be able to create an account; sign up for a business license; renew their license; pay their fees online; close out their business license; and search for businesses.

Service area: City of Vacaville Area details & sources

Source checked October 28, 2026

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

Visible topic-specific information on the official page

In an ongoing effort to reduce our carbon footprint, and at the same time make things a little easier for our entrepreneurs, the City of Vacaville has a new way for business owners to manage their business licenses online. Participants will be able to create an account; sign up for a business license; renew their license; pay their fees online; close out their business license; and search for businesses.

Saved evidence: d6bc69fe22eeb750 · Agent source review

Full guide, contact details & sources →

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