All Laws Decoded

Registering a DBA (Assumed Name) in California

Where and how to file a DBA, trade name or assumed name in California, and the fee.

Short answer: Fictitious business names (DBAs) are filed with the county where the principal place of business is located, not with the Secretary of State. California Secretary of State, Business Entities FAQs

DBA / assumed nameFictitious business names (DBAs) are filed with the county where the principal place of business is located, not with the Secretary of State.
Name rules and reservationThe LLC name must contain an LLC identifier such as "LLC" or "L.L.C." (the Secretary of State adds "LLC" if it is left out), and must be distinguishable from other LLCs of record or reserved names and not likely to mislead the public. A name can be reserved for 60 days for $10.00, online through bizfile Online. A reservation can be renewed, but not for back-to-back periods; at least one day must pass between reservations.

Where to get help in California

More California starting an llc & small business

FAQ

How do you register a DBA in California?
Fictitious business names (DBAs) are filed with the county where the principal place of business is located, not with the Secretary of State.
What are the LLC name requirements in California?
The LLC name must contain an LLC identifier such as "LLC" or "L.L.C." (the Secretary of State adds "LLC" if it is left out), and must be distinguishable from other LLCs of record or reserved names and not likely to mislead the public. A name can be reserved for 60 days for $10.00, online through bizfile Online. A reservation can be renewed, but not for back-to-back periods; at least one day must pass between reservations.

General legal information, not legal advice. Laws change and local rules can differ; check the linked official source or talk to a lawyer about your situation.