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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 · Yolo

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County government · Yolo

Community Services — Planning Division business licenses

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

Unincorporated Yolo County business-license application requirementsOfficial instructions

Use Planning’s county application instructions for an unincorporated location. City businesses use their municipal authority; home-based and environmental-health review can require additional materials.

Service area: Businesses located in unincorporated Yolo County; the county page provides separate city referrals. Area details & sources

Source checked October 16, 2026

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

Reviewed business licensing instructions

If your business is located in unincorporated Yolo County please submit your Business License Application form to Business.License@yolocounty.gov

Saved evidence: 3d4fa0c7c260298c · Agent source review

Get the county business-license applicationOfficial instructions

Complete the official county application and follow the designated licensing mailbox instructions. Additional home-business or environmental-health documents can apply.

Service area: Yolo County business-license application for an unincorporated-area location. Area details & sources

Source checked October 16, 2026

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

Reviewed business licensing instructions

Business License Application

Saved evidence: 3d4fa0c7c260298c · Agent source review

County business-license renewal through Yolo BuildsOfficial online service

Use the county’s Yolo Builds referral for existing-license renewal; the new-application fee is not quoted as the renewal price.

Service area: Renewal of existing Yolo County business licenses for county-licensed premises. Area details & sources

Source checked October 16, 2026

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

Reviewed business licensing instructions

Business License Renewal: Self-service options are now available at Yolo Builds.

Saved evidence: 3d4fa0c7c260298c · Agent source review

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