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Sonoma County, California · Business and licensing

Check or apply for a business license in Sonoma County

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

7 providers · 7 official links · 1 reviewed requirement · sources checked October 28, 2026

In Sonoma County, 6 city governments and 1 county department publish 7 official links for this service. Reviewed requirements cover eligibility (1).

These are the Sonoma 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 Cloverdale — Business licensing information

City of Cloverdale

Business license information — City of Cloverdale (opens in a new tab)Official instructions

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

Service area: City of Cloverdale

Source & saved evidence

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

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

Business License Tax

Agent source review: October 28, 2026 · Snapshot 172b1d4e7b330e1f

Contacts & sources

City government

City of Cotati — Business licensing information

City of Cotati

Business license information — City of Cotati (opens in a new tab)Official instructions

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

Service area: City of Cotati

Source & saved evidence

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

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

Business License

Agent source review: October 28, 2026 · Snapshot 56733dc48ef901c1

Contacts & sources

City government

City of Healdsburg — Business licensing information

City of Healdsburg

Business license information — City of Healdsburg (opens in a new tab)Official instructions

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

Service area: City of Healdsburg

Source & saved evidence

Healdsburg municipal government · Healdsburg — 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 7a0dd61da4ba7061

Contacts & sources

City government

City of Rohnert Park — Business licensing information

City of Rohnert Park

Business license information — City of Rohnert Park (opens in a new tab)Official instructions

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

Service area: City of Rohnert Park

Source & saved evidence

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

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

Business License

Agent source review: October 28, 2026 · Snapshot bbeb55fb1e580acc

Contacts & sources

City government

City of Sebastopol — Business licensing information

City of Sebastopol

Business license information — City of Sebastopol (opens in a new tab)Official instructions

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

Service area: City of Sebastopol

Source & saved evidence

Sebastopol municipal government · Sebastopol — 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 49c83f6952d93e76

Contacts & sources

City government

City of Sonoma — Business licensing information

City of Sonoma

Business license information — City of Sonoma (opens in a new tab)Official instructions

As part of this transition, business license renewal notices are expected to be sent out by mid-December 2024.

Service area: City of Sonoma

Source & saved evidence

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

Visible topic-specific information on the official page

As part of this transition, business license renewal notices are expected to be sent out by mid-December 2024.

Agent source review: October 28, 2026 · Snapshot 9711d43c73b9ac7a

Contacts & sources

County government

Sonoma County Economic Development Collaborative — licensing guidance

Local business licensing: cities and unincorporated Sonoma County (opens in a new tab)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 · 1 requirement & conditions
Eligibility & access
Check the actual city authority where the business is located or operates; county non-issuance guidance does not replace city licensing.
Source & saved evidence

Sonoma County Economic Development Collaborative · Sonoma County local licensing requirements (opens in a new tab)

Reviewed business licensing instructions

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.

Agent source review: October 16, 2026 · Snapshot ae6d38fe1020a422

Source & saved evidence

Sonoma County Economic Development Collaborative · Sonoma County local licensing requirements (opens in a new tab)

Reviewed business licensing instructions

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.

Agent source review: October 16, 2026 · Snapshot ae6d38fe1020a422

Contacts & sources

Related services in Sonoma County

Check or apply for a business license in other counties

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