How to File a DBA in California: A Step-by-Step Guide

Filing a DBA allows a company to do business with a different name than the one it's registered as.

What's your DBA name?

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file a dba in california

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Updated on: November 18, 2025
Read time: 6 min

Navigating the business world can be complex, especially when understanding the legal aspects of operating under a different company name. In California, a doing business as (DBA) or fictitious business name allows businesses to use an alternate name while maintaining legal compliance. This offers branding flexibility and enables companies to enter into contracts and open bank accounts under their chosen name.

This comprehensive guide will walk you through how to file a DBA in California, discuss the differences between a DBA and other business structures, and address common questions about California DBAs. By the end of this guide, you'll be better equipped to make informed decisions for your business and its growth, specifically regarding how to file a DBA in California.

Key takeaways

  • California DBA (fictitious business name) provides businesses with branding flexibility and legal compliance.
  • Registering a California DBA involves checking name availability, filing paperwork, meeting publication requirements, renewing registration, and updating information as needed.
  • A DBA does not provide the same protections or tax benefits as an LLC or corporation.

Understanding California DBA (fictitious business name)

A California DBA (doing business as), also called a fictitious business name, is an alternate name that allows your business to operate under a different name than its legal entity name. It provides branding flexibility while maintaining legal compliance, though it doesn't create a separate legal entity or offer liability protection.

To fully comprehend the California DBA concept, the following subsections will elaborate on its definition and significance.

Definition of a California DBA

In California, any business type can register a DBA, including sole proprietorships, partnerships, LLCs, and corporations. This provides branding flexibility while ensuring legal compliance.

However, there are important limitations:

  • Limited legal standing: Contracts must include both your legal name and DBA name to be enforceable in court.
  • No liability protection: A DBA doesn't shield your personal assets from business debts or lawsuits.
  • Exemptions: Unlike for-profit businesses, nonprofit corporations and unincorporated real estate investment trusts don't need to register DBAs.

Importance of a DBA in California

Registering a DBA in California allows businesses to operate under a different name while ensuring legal compliance. This allows businesses to enter into contracts, open separate bank accounts, and perform other essential tasks under their chosen name.

Registering a California DBA offers several advantages.

  • Operate under a name that's more memorable or marketable than your legal business name.
  • Avoid the expensive fees and complex requirements of forming an LLC or corporation.
  • Present a more professional image to customers and clients.
  • Keep your personal name separate from your business operations.

When you need a DBA

Under California law, sole proprietors, partnerships, limited liability companies, and corporations must file a DBA if they plan to operate under a different name. A sole proprietor must file a DBA if he or she does not intend to use his or her surname or if the business name suggests other unnamed owners, e.g., "Smith & Sons."

  • DBAs protect your privacy
  • DBAs allow you creative freedom when choosing a business name
  • A DBA is helpful for business owners who aren't ready to form an LLC or corporation
  • DBAs allow you to operate under a name other than your legal name

Steps to register a California DBA

While filing a DBA in California might appear complex initially, it becomes transparent and manageable with appropriate guidance. Registering a DBA involves three essential steps: checking name availability, filing the necessary paperwork, and meeting publication requirements.

The following subsections will provide a detailed breakdown of each step, simplifying the process of registering your California DBA.

1. Check name availability

Before registering a DBA, verify your preferred name is available through these steps:

  1. Search the California Secretary of State's database at bizfileOnline.sos.ca.gov for existing business entities.
  2. Check your county clerk's website for existing fictitious business name filings.
  3. Reserve your name online through the Secretary of State if available.

The Secretary of State's online system allows you to submit name reservations and renew them as needed, streamlining the process.

2. File a fictitious business name statement

Once you confirm that your name is available, file a fictitious business name (FBN) statement with your county clerk's office. Here's what you'll typically need.

  • Completed FBN form: Download from your county clerk's website or pick up in person.
  • Required signatures: The form must be signed by an owner, officer, partner, or LLC member.
  • Filing fee: Fees vary by county, typically ranging from $10 to $100, plus publication costs.

Contact your county clerk's office to confirm the current fee schedule and whether they accept online filings.

3. Meet publication requirements

After filing your FBN statement, California law requires you to publish your DBA name in a qualifying newspaper. Here are the general publication requirements.

  • Frequency: Publish once per week for four consecutive weeks.
  • Newspaper type: Use a newspaper of general circulation in your county.
  • Affidavit filing: Submit the newspaper's affidavit of publication to the county clerk within 30 days of the last publication date.

Failing to complete the publication requirements can invalidate your DBA registration, so keep track of deadlines carefully.

Managing your California DBA compliance

Adhering to California DBA regulations is critical to your business's sustained success. This involves renewing your DBA registration and updating your information as needed.

The following subsections will cover renewing and updating information for your California DBA.

Renewing your DBA registration

California DBA registrations expire after five years. When renewing, keep these requirements in mind.

  • Renewal process: File a new FBN statement with your county clerk and pay the filing fee.
  • Republication requirements: You must republish in a newspaper only if you renew more than 40 days after expiration or if your business information changed.
  • Timing: Start the renewal process before your five-year expiration date to avoid republication costs.

Updating your DBA information

California requires you to update your DBA within 90 days of any business information change. Changes requiring an update include:

  • Business address changes
  • Adding or removing owners
  • Changing your business structure

To update your DBA, file a new FBN statement with the updated information and complete the publication process again.

California DBA vs. other business structures

When considering whether to register a DBA or opt for another business structure, it is essential to understand the differences between a DBA and other structures, such as LLCs and corporations. While a DBA allows businesses to operate under a different name, it does not provide the same legal protections and tax benefits as other structures.

The following subsections will highlight the differences between DBAs and LLCs and between DBAs and corporations.

DBA vs. LLC

A DBA is an alternate business name, while a limited liability company (LLC) is an actual legal entity. Here's a quick breakdown of how they compare.

Feature DBA LLC
Liability protection No Yes
Formation cost $10–$100 (varies by county) $70+ plus ongoing fees
Tax benefits Limited options Flexible tax treatment options
Paperwork One-time filing and renewals Articles of organization, operating agreement, and annual reports
Generally best for Sole proprietors wanting a business name Business owners seeking liability protection

DBA vs. corporation

A corporation offers more structure and protection than a DBA (and even an LLC), but with added complexity.

Feature DBA Corporation
Legal entity status No separate entity Separate legal entity
Personal liability Owner fully liable Limited liability for shareholders
Tax options Pass-through only C-corp or S-corp election available
Compliance requirements Renewal every 5 years Board meetings, annual reports, and corporate minutes
Setup complexity Simple one-time filing Articles of incorporation, bylaws, multiple filings

DBA vs. business license

A DBA and a business license serve different purposes and are not interchangeable.

  • DBA purpose: Allows you to operate under a name different from your legal business name (e.g., doing business as "The Corner Café" instead of "John Smith").
  • Business license purpose: Provides legal authorization to operate your specific type of business in a particular jurisdiction.
  • Example: A restaurant needs a DBA to operate under a trade name, but it also needs separate licenses like a health permit and liquor license to legally serve food and alcohol.

Most businesses need both a DBA (if operating under an alternate name) and appropriate business licenses for their industry. Check with your county clerk and the California Secretary of State to determine which licenses apply to your business.

California DBA FAQs

How do I register as a DBA in California?

To register as a DBA in California, you need to file a fictitious business name (FBN) statement with the county clerk's office where your business is located. Out-of-state companies must file their FBN statement in Sacramento County. Additionally, you must perform a California DBA search, fill out the necessary forms, and publish information about the DBA in the local newspaper.

How much does it cost to file a DBA in California?

California DBA filing fees range from $10 to $100 depending on your county, plus newspaper publication costs of approximately $40-$200. Contact your county clerk's office for exact pricing.

Are you required to file a DBA in California?

Yes, California law requires all business types—sole proprietorships, partnerships, LLCs, and corporations—to file a DBA if operating under any name other than the owner's full legal name.

Can I have multiple DBAs in California?

Yes, you can register multiple DBAs in California, but each one requires a separate FBN filing, publication, and filing fee.

What are the legal implications of using a DBA?

A DBA provides no liability protection—your personal assets remain at risk for business debts and lawsuits. Consider forming an LLC or corporation if you need asset protection.

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This article is for informational purposes. This content is not legal advice, it is the expression of the author and has not been evaluated by LegalZoom for accuracy or changes in the law.

80 days ago
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Easy and professional

I was notified by text that I needed to contact LegalZoom to provide more information to move my DBA filing along. I called in and got Raffy. He was friendly and professional and took the time to confirm that LegalZoom had received the signed documents from me that were needed to take the next steps in this process. I was connected to Raffy on my first attempt and did not have to sit in a queue waiting for someone.

Linda Crossley
95 days ago
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10/10 customer service

Both Kathy and Princess made the process of filing my DBA incredibly easy and were able to walk me through the process the entire time. Both were incredibly kind and helpful and I'm so grateful to the LegalZoom team for being there to support me through any troubles I have with my small business!

Kate
134 days ago
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Very helpful everyone I spoke with was…

Very helpful everyone I spoke with was very knowledgeable and pointed me in the right direction. My dba was filed swiftly and I was informed about the progress the entire time. Very happy with the results.

karl anderson
143 days ago
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KIERVE has Excellent Customer Service

KIERVE was very knowledgeable and provided the information I requested with additional things to assist me with creating a new DBA. I appreciated how patient they were and ensured everything had processed to the next step before we signed off the chat. Excellent customer service!

Tenika Ashley
187 days ago
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Customer Service exceeded my expectations.

After an initial dilemma with my DBA filing in California, a LegalZoom account executive took the reigns and made everything right by going above and beyond my expectations. Thank you LegalZoom!

Clinton Goodrich
272 days ago
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Very helpful

I called in looking for help with my DBA and was able to complete setting it up effortlessly and got help with a few more items I didn’t even know I needed.

Kevin McCarthy
276 days ago
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Joe was extraordinary

Joe was extraordinary! I called to add a DBA to my existing LLC, and he got straight to the point with exactly what I needed. He went above and beyond by taking the time to answer my questions thoroughly and even checked my account. He pointed out a couple of things for me to review, and if that wasn’t enough, he even sent me a screenshot so I knew exactly what he was referring to. Wow—what an asset to your company! Loyal customer here!

Juan Ferrer
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