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Sonoma, California · County government

Sonoma County Economic Development Collaborative — licensing guidance

Find the right local authority and check whether a license or another permit is needed.[1]

Source checked October 16, 2026[1]
Go to the official website (opens in a new tab)
Website address
sonomaedc.org

Opens this office’s own website. CountyWiki does not process applications, take payments or provide personal records.

Contact details & office locations ↓
Business licensing requirements and referrals depend on the business activity and its location. Read the specific service scope before applying.

Online services & information

These links were found on official source pages. Each service is handled by the office.

Local business licensing: cities and unincorporated Sonoma County (opens in a new tab)[2]Official instructions

The county EDC distinguishes the nine cities from unincorporated Sonoma County. Its non-issuance guidance does not waive zoning, activity permits or separate business registrations.

Before you start

Eligibility & access
Check the actual city authority where the business is located or operates; county non-issuance guidance does not replace city licensing. [3]

Fees

Fees are quoted only when a source document supports the amount and conditions.

Fee amounts have not been reviewed for this office.

Check the official website for its current fee schedule. No fee should be assumed to be free.

Forms & documents

Official forms and document pages for this office’s services.

Forms have not been reviewed yet. Visit the official website for the current forms and instructions.

Sources & last checked1 source page · 7 citations

Sources were checked by an AI-assisted research process. A checked website does not mean every service or fee on it has been reviewed.

  1. [1] Sonoma County local licensing requirements (opens in a new tab)

    Sonoma County Economic Development Collaborative · Reviewed business licensing instructions
    Source reviewed October 16, 2026

    View supporting excerpt
    If your business is located or operating in unincorporated Sonoma County (outside a city boundary), the County of Sonoma does not require a business license or tax certificate.
  2. [2] Sonoma County local licensing requirements (opens in a new tab)

    Sonoma County Economic Development Collaborative · Reviewed business licensing instructions
    Source reviewed October 16, 2026

    View supporting excerpt
    If your business is located or operating in unincorporated Sonoma County (outside a city boundary), the County of Sonoma does not require a business license or tax certificate.
  3. [3] Sonoma County local licensing requirements (opens in a new tab)

    Sonoma County Economic Development Collaborative · Reviewed business licensing instructions
    Source reviewed October 16, 2026

    View supporting excerpt
    You are required to obtain a business license if your business is located or doing business in the nine cities of Sonoma County. Contact information for each city is below.
  4. [4] Sonoma County local licensing requirements (opens in a new tab)

    Sonoma County Economic Development Collaborative · Reviewed business licensing instructions
    Source reviewed October 16, 2026

    View supporting excerpt
    Contact Us By Phone Phone: (707) 565-7170
  5. [5] Sonoma County local licensing requirements (opens in a new tab)

    Sonoma County Economic Development Collaborative · Reviewed business licensing instructions
    Source reviewed October 16, 2026

    View supporting excerpt
    Email edc@sonomacounty.gov
  6. [6] Sonoma County local licensing requirements (opens in a new tab)

    Sonoma County Economic Development Collaborative · Reviewed business licensing instructions
    Source reviewed October 16, 2026

    View supporting excerpt
    Business Hours Monday - Friday 8:00 - 5:00 PM (Closed 12:00 pm to 1:00 pm)
  7. [7] Sonoma County local licensing requirements (opens in a new tab)

    Sonoma County Economic Development Collaborative · Reviewed business licensing instructions
    Source reviewed October 16, 2026

    View supporting excerpt
    Address 141 Stony Circle, Suite 110 Santa Rosa, CA 95401
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