Mendocino County, California · Business and licensing

Check or apply for a business license in Mendocino County

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

4 providers · 5 official links · 4 reviewed requirements · sources checked October 28, 2026

In Mendocino County, 2 county departments and 2 city governments publish 5 official links for this service. Reviewed requirements cover eligibility (2), availability notices (1) and documents (1). 1 provider lists forms on their guides.

These are the Mendocino County providers with a reviewed service link for this task. Other offices may also help, and a provider may serve only part of the county: check each service area. Fees and forms stay on each office’s guide, where their sources are cited.

City government

City of Ukiah — Business licensing information

City of Ukiah

Business license information — City of UkiahOfficial instructions

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

Service area: City of Ukiah

Source & saved evidence

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

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

Business Licenses

Agent source review: October 28, 2026 · Snapshot dbea596a06de396a

Contacts & sources

City government

City of Willits — Business licensing information

City of Willits

Business license information — City of WillitsOfficial instructions

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

Service area: City of Willits

Source & saved evidence

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

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

Business License Permit Application

Agent source review: October 28, 2026 · Snapshot 99d473abc780e852

Contacts & sources

County government

Planning & Building Services

Mendocino County building permit services. Confirm which county or city agency handles your property before applying.

Get the county application for fixed commercial or home premisesOfficial instructions

For a business operating from fixed premises in unincorporated Mendocino County, use the Planning and Building application and submit the application and payment there. Tax Collector issuance follows approval.

Service area: Fixed commercial or home premises operating in unincorporated Mendocino County; intake is Planning and Building.

Before you start · 1 requirement & conditions

Information & documents: Submit the application and payment to Planning and Building for the described fixed unincorporated premises.
Source & saved evidence
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 operates in the unincorporated area of the county and you have a physical location (commercial or home base) in unincorporated Mendocino County, then Visit, Mendocino County Planning and Building (Planning and Building Services Department Application) Submit your application and payment to Planning and Building
Agent source review: October 16, 2026 · Snapshot c0043cee8a653d53

Source & saved evidence

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 operates in the unincorporated area of the county and you have a physical location (commercial or home base) in unincorporated Mendocino County, then Visit, Mendocino County Planning and Building (Planning and Building Services Department Application) Submit your application and payment to Planning and Building

Agent source review: October 16, 2026 · Snapshot c0043cee8a653d53

Contacts & sources · 2 forms

County government

Tax Collector

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.

Availability: The receiving department reviews the application; the Tax Collector issues it after approval.
Source & saved evidence
Mendocino County official website · Mendocino County official website — business licence programme review source (opens in a new tab)
Reviewed business licensing instructions
The Department in which you submit your application will complete the review. If approved, the Tax Collector will issue the license.
Agent source review: October 16, 2026 · Snapshot c0043cee8a653d53

Before you start · 1 requirement & conditions

Eligibility & access · Incorporated cities: Contact Ukiah, Fort Bragg, Willits or Point Arena for businesses within that city’s limits.
Source & saved evidence
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 within city limits (Ukiah, Fort Bragg, Willits, or Point Arena) you must contact the corresponding city for guidance on how to apply for a city business license.
Agent source review: October 16, 2026 · Snapshot c0043cee8a653d53

Source & saved evidence

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.

Agent source review: October 16, 2026 · Snapshot c0043cee8a653d53

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.

Before you start · 1 requirement & conditions

Eligibility & access: The Tax Collector receives the county’s described out-of-county, mobile and non-fixed applications; fixed unincorporated premises have a different intake department.
Source & saved evidence
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,
Agent source review: October 16, 2026 · Snapshot c0043cee8a653d53

Source & saved evidence

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,

Agent source review: October 16, 2026 · Snapshot c0043cee8a653d53

Phone: 707-234-6875

Contacts & sources

Related services in Mendocino County

Renew a business license

Check or apply for a business license in Mendocino County

City of Ukiah — Business licensing information

City of Willits — Business licensing information

Planning & Building Services

Tax Collector

Related services in Mendocino County

Check or apply for a business license in other counties