CWCountyWikiIndependent guide to local servicesCalifornia directory
Find a service by task

Close or update a business license

Find instructions for closing a license or reporting ownership, address or business changes.

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.

2 guides with reviewed service links · Alameda

Clear filters
Choose a county on the map

Highlighted counties have a reviewed service guide matching this selection. An agency may serve only a city or part of a county.

California58 counties
California county mapChoose a county to open its directory. Use the county search and list for smaller counties.Alameda County: open directoryAlpine County: open directoryAmador County: open directoryButte County: open directoryCalaveras County: open directoryColusa County: open directoryContra Costa County: open directoryDel Norte County: open directoryEl Dorado County: open directoryFresno County: open directoryGlenn County: open directoryHumboldt County: open directoryImperial County: open directoryInyo County: open directoryKern County: open directoryKings County: open directoryLake County: open directoryLassen County: open directoryLos Angeles County: open directoryMadera County: open directoryMarin County: open directoryMariposa County: open directoryMendocino County: open directoryMerced County: open directoryModoc County: open directoryMono County: open directoryMonterey County: open directoryNapa County: open directoryNevada County: open directoryOrange County: open directoryPlacer County: open directoryPlumas County: open directoryRiverside County: open directorySacramento County: open directorySan Benito County: open directorySan Bernardino County: open directorySan Diego County: open directorySan Francisco County: open directorySan Joaquin County: open directorySan Luis Obispo County: open directorySan Mateo County: open directorySanta Barbara County: open directorySanta Clara County: open directorySanta Cruz County: open directoryShasta County: open directorySierra County: open directorySiskiyou County: open directorySolano County: open directorySonoma County: open directoryStanislaus County: open directorySutter County: open directoryTehama County: open directoryTrinity County: open directoryTulare County: open directoryTuolumne County: open directoryVentura County: open directoryYolo County: open directoryYuba County: open directory
County directory Reviewed service guides available
Map for browsing; agency service areas may differ.
Map source

U.S. Census boundaries via U.S. Atlas · 2017 edition, simplified for display.

County government · Alameda

Treasurer-Tax Collector

Business licensing

Close an existing Alameda County business license (opens in a new tab)Official online service

Official county portal referral for an existing business-license account.

Service area: Closure of an existing Alameda County business-license account. Area details & sources

Source checked October 16, 2026

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

Reviewed business licensing instructions

Renew or Close Existing Alameda County Business License

Saved evidence: d7ce99ba824a47a6 · Agent source review

Full guide, contact details & sources →
City government · Alameda

Oakland — Finance — Revenue Management Bureau Business Tax

City of Oakland business licensing or tax certificates.

Request closure of a city Business Tax account (opens in a new tab)Official online service

Use the portal closure request for this city tax account; other entity or permit closures are separate.

Service area: City of Oakland business activity; city programme, not county-wide licensing. Area details & sources

Source checked October 16, 2026

Oakland — city-referred Revenue Management Bureau portal · Oakland — Business Tax portal activities (opens in a new tab)

Reviewed business licensing instructions

Request to Close Business Tax Account

Saved evidence: 2ac8dcf74e716b12 · Agent source review

Update city Business Tax account information (opens in a new tab)Official online service

Use the account update action for the listed business/mailing address, telephone or email changes. Do not assume a transfer to a new owner.

Service area: City of Oakland business activity; city programme, not county-wide licensing. Area details & sources

Source checked October 16, 2026

Oakland — city-referred Revenue Management Bureau portal · Oakland — Business Tax portal activities (opens in a new tab)

Reviewed business licensing instructions

Update Account Information

Saved evidence: 2ac8dcf74e716b12 · Agent source review

Full guide, contact details & sources →