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Before going into the details, here is a quick checklist for registering a DBA in California.
| Official Term | Fictitious business name (FBN), filed as a fictitious business name statement [1] |
|---|---|
| Filing Agency | The county clerk or county clerk-recorder in the county of your principal place of business. California does not register DBAs at the state level [3] |
| Form | Fictitious Business Name Statement, filed with your county clerk [1] |
| State Fee | Varies by county. In Los Angeles County the fee is about $26 for the first business name plus $5 for each additional name or owner [1] |
| Processing Time | Often same day in person; mail and online filings take longer depending on the county [1] |
| Renewal Required | Yes. A fictitious business name statement expires five years from the date it was filed and must be refiled [2] |
| Cancellation | File a statement of abandonment with the same county clerk and publish it in a newspaper [2] |
A DBA stands for "Doing Business As." It is an alternative name your business uses instead of its registered legal name. In California, the official term is "fictitious business name," and the filing is called a fictitious business name statement.
Any type of business can register a fictitious business name in California. This includes sole proprietors, general partnerships, LLCs, and corporations. You generally must file when the name does not include the surname of every owner, or does not state the exact legal name of the company.
A DBA does not create a new legal entity. It does not change your tax status, your liability protection, or your ownership structure. It is only a name your business is authorized to operate under.
| Brand Fit | Commercial Banking | Multi-Entity Branding | Privacy & Trust |
|---|---|---|---|
| Sole proprietors operate under their personal names by default. A fictitious business name lets you do business under a professional brand instead. | California banks generally require a filed fictitious business name statement before opening a business account in a name other than your legal name. | One entity can run several brands or product lines under separate fictitious business names without forming a new company for each. | A registered business name keeps your personal identity off public branding and signals to customers that you are an established business. |
California routes all fictitious business name registrations through the county clerk. You file in the county where your principal place of business is located, not with the Secretary of State. The process has three parts: search the county index, file the statement, and then publish it in a local newspaper.
Your fictitious business name should be distinct from names already on file in your county. California does not run a single statewide name database, so you check the fictitious business name index kept by your county clerk. Many counties, including Los Angeles County, let you search filed names online for free. [1]
Search the county fictitious business name index before you commit to a brand. Because California registers these names at the county level, a name that is free in one county may already be in use in another, so a clear local search protects your filing. [3]
California fictitious business name rules are light, but a few hard limits apply.
| Your name must fit the filing rule | Match designators to your real structure | Conflicts are your responsibility |
|---|---|---|
| You must file a fictitious business name statement when the name does not include the surname of every owner or does not state the exact legal name of the entity. [2] | A sole proprietor cannot use "Corporation," "Corp.," "Incorporated," "Inc.," "Limited Liability Company," or "LLC" unless the business is actually organized that way under California law. [2] | The county clerk does not screen names for conflicts or trademark issues, so run a federal trademark search to avoid infringing a protected mark. [4] |
Run a trademark search at the U.S. Patent and Trademark Office (USPTO) as well. Filing a fictitious business name in California gives you no trademark rights and does not stop a federal trademark holder from challenging your use of the name. [4]
File a Fictitious Business Name Statement with the county clerk in the county where your principal place of business is located. If you have no place of business in California, you file in Sacramento County. [3]
| Situation | County Fee |
|---|---|
| File a statement for the first business name and first owner | About $26 [1] |
| Each additional business name on the same statement | About $5 [1] |
| Each additional owner beyond the first | About $5 [1] |
Fees vary by county, so confirm the current amount with your own county clerk before you file. The county fee does not include the cost of the required newspaper publication, which the newspaper bills separately.
Online: many counties offer online filing, including the Los Angeles County Registrar-Recorder/County Clerk business filings portal [5]
By mail: send the completed statement and a notarized affidavit of identity to your county clerk; in Los Angeles County, mail to Business Filings and Registration, P.O. Box 1208, Norwalk, CA 90651-1208 [1]
In person: file at a county clerk office with valid identification [3]
After you file, you must publish the statement in a newspaper of general circulation in that county once a week for four successive weeks. Los Angeles County requires publication to begin within 30 days of filing. After publication is complete, file an affidavit of publication with the county clerk. State law allows the affidavit to be filed within 45 days after publication ends, but many counties expect it sooner, so confirm the deadline with your county. [1]
In-person filings are often processed the same day, while mail and online filings take longer depending on the county. Keep the filed and stamped copy of your statement; banks, vendors, and payment processors will ask for it before they let you operate or accept funds under the fictitious business name.
The publication step is not optional. You must publish the statement once a week for four successive weeks in a newspaper of general circulation in the county where you filed, then file the affidavit of publication with the county clerk to complete the process. [2]
A California fictitious business name statement is not permanent. It expires five years from the date it was filed with the county clerk, and you must file a new statement to keep using the name. You also must refile within 40 days if the facts in the statement change. [2]
A DBA and an LLC are not the same thing. This is one of the most common points of confusion for new business owners, and getting it wrong can be costly.
A DBA is only a name. It does not create a legal entity. It does not protect your personal assets. If someone sues your business, your personal finances are exposed.
Forming an LLC creates a separate legal entity. That separation generally protects your personal finances, home, and savings from business debts and lawsuits.
If you are a sole proprietor who wants a business name without incorporating, a fictitious business name is a fast, affordable option. If you want liability protection, you need an LLC or a corporation.
Many businesses do both: they form an LLC and then apply for a DBA to run a brand under a name different from the LLC legal name.
| Feature | DBA (Fictitious Business Name) | LLC |
|---|---|---|
| Creates a legal entity | No | Yes |
| Personal asset protection | No | Yes |
| Changes the tax treatment | No | Can elect a different tax status |
| Required to operate under a different name | Yes, if the name differs from your legal name | No, the LLC name is its legal name |
| Cost to register | County fee + newspaper publication + Swyft service fee | State filing fee + Swyft service fee |
Most California fictitious business name problems come down to the same handful of errors. Here is what to watch out for before you file.
California does not register fictitious business names at the Secretary of State. You file with the county clerk in the county of your principal place of business, so sending paperwork to the state will only delay you. [3]
Filing the statement is only half the job. You must publish it in a local newspaper once a week for four successive weeks, and Los Angeles County requires publication to begin within 30 days of filing. Miss the window and you may have to start over. [1]
Checking Google or a domain registrar is not the official search. Search the fictitious business name index at your county clerk before you commit to a name. [1]
A sole proprietor cannot include "LLC," "Inc.," or "Corp" in a fictitious business name unless the business is actually organized that way. The designator must match your real structure. [2]
A California fictitious business name statement expires five years from the date it was filed. Calendar the refiling so your registration does not lapse. [2]
County approval is not trademark clearance. A federal trademark holder could still force you to stop using the name. [4]
[1] Los Angeles County Registrar-Recorder/County Clerk. Fictitious Business Names, General Info and Filing Requirements. Accessed on June 2, 2026.
[2] California Legislature. Business and Professions Code, Sections 17900 to 17930, Fictitious Business Names. Accessed on June 2, 2026.
[3] Los Angeles County Registrar-Recorder/County Clerk. Fictitious Business Names, Who Should File. Accessed on June 2, 2026.
[4] U.S. Patent and Trademark Office (USPTO). Trademarks. Accessed on June 2, 2026.
[5] Los Angeles County Registrar-Recorder/County Clerk. Business Filings and Registration Online Portal. Accessed on June 2, 2026.
[6] Internal Revenue Service. Do You Need a New EIN?. Accessed on June 2, 2026.
Los Angeles County Registrar-Recorder/County Clerk. County fictitious business name filing, fees, forms, and the searchable name index.
California Secretary of State. Statewide business entity formation and records (LLCs and corporations file here, not DBAs)
California Franchise Tax Board. State income and franchise tax registration and information for California businesses.
CalGold. Permit and license assistance tool from the California Office of Business and Economic Development.
U.S. Small Business Administration. SBA Los Angeles District Office support for California small businesses.
