California Fictitious Business Name: Filing, Publication, and Renewal

To operate under a California fictitious business name, file an FBN statement with the county clerk where your principal place of business sits within 40 days of first using the name, publish that statement in a local newspaper once a week for four consecutive weeks within 45 days of filing, and then file the newspaper’s Affidavit of Publication with the clerk. Skip either the filing or the publication and you cannot sue in any California court on a contract made under that name.¹

Who Has to File

Sole proprietors need an FBN statement any time the business name doesn’t include the owner’s surname, or when it includes wording like “& Company,” “& Associates,” or “& Sons” that suggests additional owners.² General partnerships file if the business name leaves out the surnames of any general partner.

Corporations, LLCs, and limited partnerships file whenever they do business under any name other than the exact legal name on record with the California Secretary of State.² A corporation registered as “Pacific Coast Builders, Inc.” running a storefront called “Pacific Design Studio” needs an FBN for the storefront name.

Every person or entity transacting business for profit under a fictitious name has 40 days from first use to file.²

What Goes on the Statement

State law prescribes the form and requires the following:³

The exact fictitious name or names being registered.
The principal business street address. A P.O. box is not accepted for this field.
Each registrant’s full legal name and a business mailing address if it differs from the principal address.
The entity type: individual, married couple, general partnership, corporation, LLC, trust, or another structure.
The date the business first began operating under the fictitious name.

Only businesses operating at the same address and under the same ownership can share a single statement. Two businesses at different locations require separate filings.³

The declaration you sign carries real weight. Knowingly filing false information is a misdemeanor with a fine of up to $1,000.³

Where and How to File

File with the county clerk in the county where your principal place of business is physically located.² Operating across several counties doesn’t force you to file in each one; the county of your principal location is enough, though additional county filings are permitted.

Businesses with no California physical presence file with the Clerk of Sacramento County.⁴

Submit the signed statement with a copy, a valid photo ID, and the filing fee.² Counties accept filings in person, by mail, or through an online portal depending on the county; check the local clerk’s website for what’s available.

Fees vary by county. Most charge between $26 and $55 for a single name with one owner, plus a small additional charge (typically $5 to $7) for each extra name or owner on the same statement. Once accepted, the clerk endorses your copy with the file number, filing date, and expiration date. Keep that endorsed copy. You’ll need it to complete the publication step and to open business bank accounts.

Words the County Clerk Will Reject

Your fictitious name cannot include “Corporation,” “Corp.,” “Incorporated,” or “Inc.” unless the business is actually a corporation, and it cannot include “Limited Liability Company,” “LLC,” or “LC” unless the business is actually an LLC.² The standalone words “Limited” or “Company” are fine on their own. The clerk is required to reject any statement that violates these rules, so a bad name choice sends the whole filing back.

Newspaper Publication

Within 45 days of filing, publish the statement in a newspaper of general circulation in the county where you filed. It runs once a week for four consecutive weeks.⁵ Pick a paper that actually circulates where your business operates. Most adjudicated newspapers charge somewhere between $35 and $50 for the full four-week run.

After the fourth week, the newspaper issues an Affidavit of Publication. File that affidavit with the county clerk within 45 days of the final publication date.⁵ Until the affidavit is on file, the registration isn’t complete.

If you filed in Sacramento County because you have no California location, publication runs in a Sacramento County paper of general circulation.⁵

What Skipping This Costs You

The penalty is practical. Without a complete filing and publication, you cannot maintain a lawsuit in any California court on any contract made under the fictitious business name.¹ A customer who won’t pay, a tenant on a lease signed under the business name, an assignee trying to collect: all have a built-in defense until you cure the registration. The bar applies to the business owner and to any assignee of the business.

It isn’t permanent. Once the filing and publication are properly completed, you regain standing to sue on those contracts. But nothing filed before that day is enforceable in the meantime.

Five-Year Expiration and Renewal

An FBN statement expires five years from the date the clerk filed it.⁶

If you refile within 40 days of expiration and nothing on the statement has changed, you can skip newspaper publication entirely. Submit the new statement and pay the fee.⁵ Miss that 40-day window and the refiling counts as a new registration, publication and all. Set a calendar reminder five years out; the renewal is easy to lose track of.

Changes During the Five Years

Your statement automatically expires 40 days after any change in the facts it contains. A new owner, a different business address, or a modified business name all trigger the automatic expiration.⁶ A change in a registered owner’s residence address alone does not trigger expiration. When you file a new statement reflecting the change, the full four-week publication requirement applies again.⁵

Abandoning the Name

When you stop doing business under a fictitious name, file a Statement of Abandonment with the same county clerk where the original FBN was filed. The abandonment statement follows the same publication process as the original: once a week for four consecutive weeks in a newspaper of general circulation, with the affidavit of publication filed back with the clerk when it’s done.⁷

An FBN Is Not a Claim to the Name

Registering a fictitious business name does not give you exclusive rights to that name. Not in your county, not statewide, not nationally. Another business can register the identical name in a different California county and nothing in the FBN system stops it.

The California Secretary of State does not check FBN filings when reviewing a proposed entity name. It compares proposed names only against other entities of the same type already registered at the state level.⁸ Someone could form a corporation using the exact name you’ve been operating under for years, and the Secretary of State would approve it.

Name protection comes from trademark registration, either through the U.S. Patent and Trademark Office for nationwide rights or through California’s state trademark process for in-state rights. An FBN is a transparency tool that tells the public who stands behind a business name. It is not ownership of the name.

1
California Legislative Information. California Code BPC 17918 – Effect of Failure to File and Publish
2
California Legislative Information. California Code BPC – Fictitious Business Names
3
California Legislative Information. California Code BPC 17913 – Fictitious Business Name Statement
4
California Legislative Information. California Code BPC 17915 – Filing Location
5
California Legislative Information. California Code BPC 17917 – Publication of Fictitious Business Name Statement
6
California Legislative Information. California Code BPC 17920 – Expiration of Fictitious Business Name Statement
7
California Legislative Information. California Code BPC 17922 – Statement of Abandonment of Use of Fictitious Business Name
8
California Secretary of State. Name Reservations