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Register a business name (DBA / FBN) in California

Find the right county provider, filing options, fees and publication requirements for a fictitious business name. Choose your county to find the office that handles this service.

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In California, 58 county departments publish 77 official links for this service, 2 of them online. Reviewed requirements cover deadlines (235), documents (197), eligibility (116), availability notices (16), appointments (6), processing time (4) and payment methods (1). 58 counties have a page for it below.

Office titles differ by county. The list below maps this task to the relevant office role. Specific online links, fees and forms are shown only when they have supporting sources.

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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 Matching office 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, CaliforniaWhere to startService information
Alameda
FBN / DBA filing instructions
Alpine
FBN / DBA filing instructions
Amador
FBN / DBA filing instructions
Butte
FBN / DBA filing resources
Calaveras
FBN / DBA filing instructions
Colusa
FBN / DBA filing instructions
Contra Costa
FBN / DBA filing instructions
Del Norte
FBN / DBA filing contact
El Dorado
FBN / DBA filing instructions
Fresno
FBN / DBA filing instructions
Glenn
FBN / DBA filing resources
Humboldt
FBN / DBA filing instructions
Imperial
FBN / DBA filing instructions
Inyo
FBN / DBA filing instructions
Kern
FBN / DBA filing instructions
Kings
FBN / DBA filing instructions
Lake
FBN / DBA filing instructions
Lassen
FBN / DBA statement and instructions
Los Angeles
FBN / DBA filing instructions
Madera
FBN / DBA filing instructions
Marin
FBN / DBA filing instructions
Mariposa
FBN / DBA filing instructions
Mendocino
FBN / DBA filing instructions
Merced
FBN / DBA filing instructions
Modoc
FBN / DBA filing instructions
Mono
FBN / DBA filing instructions
Monterey
FBN / DBA filing instructions
Napa
FBN / DBA filing instructions
Nevada
FBN / DBA filing instructions
Orange
FBN / DBA filing instructions
Placer
FBN / DBA filing instructions
Plumas
FBN / DBA filing instructions
Riverside
FBN / DBA filing instructions
Sacramento
Finance Business License Unit — FBN / DBA filing instructions
San Benito
FBN / DBA filing instructions
San Bernardino
FBN / DBA filing instructions
San Diego
FBN / DBA filing instructions
San Francisco
FBN / DBA filing instructions
San Joaquin
FBN / DBA filing instructions
San Luis Obispo
FBN / DBA filing instructions
San Mateo
FBN / DBA filing instructions
Santa Barbara
FBN / DBA filing resources
Santa Clara
FBN / DBA filing instructions
Santa Cruz
FBN / DBA filing instructions
Shasta
FBN / DBA filing instructions
Sierra
FBN / DBA filing instructions
Siskiyou
FBN / DBA forms and name search
Solano
FBN / DBA filing instructions
Sonoma
FBN / DBA filing instructions
Stanislaus
FBN / DBA filing instructions
Sutter
FBN / DBA filing instructions
Tehama
FBN / DBA filing instructions
Trinity
FBN / DBA filing resources
Tulare
FBN / DBA filing instructions
Tuolumne
FBN / DBA filing resources
Ventura
FBN / DBA appointments and application preparation
Yolo
FBN / DBA filing instructions
Yuba
FBN / DBA filing instructions

Register a business name (DBA / FBN) by county