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Business licenses & tax certificates

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

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 · Reviewed local guides · “City of Fort Bragg”

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County government · Mendocino

Tax Collector

Business licensing

Choose the correct county business-license application departmentOfficial instructions

Use Planning and Building for a fixed commercial or home location in the unincorporated area. The Tax Collector handles the described out-of-county, mobile and non-fixed cases, then issues approved county licenses.

Service availability

The receiving department reviews the application; the Tax Collector issues it after approval.

Official information checked October 16, 2026 · Details & sources

Source checked October 16, 2026

Mendocino County official website · Mendocino County official website — business licence programme review source (opens in a new tab)

Reviewed business licensing instructions

How you apply for a Mendocino County Business License depends on where your business operates and the type of business you are applying for. Use the guide below to ensure your application is submitted to the correct department to help avoid delays.

Saved evidence: c0043cee8a653d53 · Agent source review

Get the county application for out-of-county, mobile or non-fixed businessesOfficial instructions

Official referral to the Tax Collector application for the described business types. Confirm the operating jurisdiction and submit to the Tax Collector as instructed.

Source checked October 16, 2026

Mendocino County official website · Mendocino County official website — business licence programme review source (opens in a new tab)

Reviewed business licensing instructions

IF your business is out-of-county, a mobile business (food truck, mobile services, vendor, etc.) or you do not operate from a fixed location in the unincorporated area of the county, then you need to apply through the Treasurer-Tax Collector’s office, with the Out-of-County Applicant Business License Application linked below,

Saved evidence: c0043cee8a653d53 · Agent source review

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