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Check or apply for a business license

Check local business license or business tax certificate requirements, the right authority and application options.

Before you start

  • 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.

1 guide with reviewed service links · San Luis Obispo

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County government · San Luis Obispo

Tax Collector

Business licensing

County business licenses, application materials and required clearances (opens in a new tab)Official instructions

Choose the general, cannabis or vacation-rental process. General applications require the applicable Planning and Building clearance and any other agency approvals.

Service area: San Luis Obispo County business licensing for businesses operating in the unincorporated area; license categories and exceptions differ. Area details & sources

Source checked October 16, 2026

San Luis Obispo County official website · San Luis Obispo County — business licensing discovery (opens in a new tab)

Reviewed business licensing instructions

The Auditor-Controller-Treasurer-Tax Collector (ACTTC) is responsible for issuing general County Business Licenses, Cannabis Business Licenses, and Vacation Rental Licenses for businesses operating in the unincorporated areas of San Luis Obispo County.

Saved evidence: 351499903ba16fdc · Agent source review

Get the county general business-license application (opens in a new tab)Official instructions

Use the official application resource and follow the county’s submission and required approval instructions. Contact ACTTC to confirm submission options.

Service area: General county business-license applications for the unincorporated area; use separate specialty processes where applicable. Area details & sources

Source checked October 16, 2026

San Luis Obispo County official website · San Luis Obispo County — business licensing discovery (opens in a new tab)

Reviewed business licensing instructions

To apply for a general Business License, complete the Business License Application

Saved evidence: 351499903ba16fdc · Agent source review

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