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Register a business name (DBA / FBN)
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.
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
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, California | Where to start | Service 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 |