Napa County, California · Business and licensing

Check or apply for a business license in Napa County

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

4 providers · 4 official links · sources checked October 28, 2026

In Napa County, 3 city governments and 1 county department publish 4 official links for this service. 1 provider publishes reviewed fee items and 1 provider lists forms on their guides.

These are the Napa 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 American Canyon — Business licensing information

City of American Canyon

Business license information — City of American CanyonOfficial instructions

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

Service area: City of American Canyon

Source & saved evidence

American Canyon municipal government · American Canyon — 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 b56cdb850cb93bc0

Contacts & sources

City government

City of Calistoga — Business licensing information

City of Calistoga

Business license information — City of CalistogaOfficial instructions

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

Service area: City of Calistoga

Source & saved evidence

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

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

Business License Registration

Agent source review: October 28, 2026 · Snapshot 1f5c23357e85ba11

Contacts & sources

City government

City of Napa — Business licensing information

City of Napa

Business license information — City of NapaOfficial instructions

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

Service area: City of Napa

Source & saved evidence

Napa municipal government · Napa — 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 ba81e6537e152c98

Contacts & sources

County government

Recorder-County Clerk

Business-license guidance and city authority referralsOfficial instructions

The County Clerk does not issue business licenses and refers readers to the local city or town. This does not prove that every other county department or unincorporated business is exempt.

Source & saved evidence

Napa County — business name filing · Napa — fictitious business name instructions (opens in a new tab)

Reviewed business licensing instructions

Business licenses are not issued by the County Clerk Office. Please contact your local City/Town Hall:

Agent source review: October 16, 2026 · Snapshot f6e9fd454a5015e7

Contacts & sources · 5 fees published by this office · 3 forms

Check or apply for a business license in Napa County

City of American Canyon — Business licensing information

City of Calistoga — Business licensing information

City of Napa — Business licensing information

Recorder-County Clerk

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