California Registered Agent Requirements for Corporations
Every California corporation must appoint a registered agent with a physical street address in the state. Learn who qualifies, what they do, and how to appoint or change one.
Bizee Editorial Staff
Editorial Team
California registered agent requirements at a glance
Filing fee: $100 (Articles of Incorporation, domestic stock corporation); $30 (Statement of Information, filed within 90 days of formation and biennially after)
Processing time: Standard: 5–7 business days; Expedited options available through the California Secretary of State
State agency: California Secretary of State, Business Programs Division
Annual report due: Statement of Information due within 90 days of formation, then biennially by the last day of the anniversary month
State tax rate: $800 minimum franchise tax annually (California Franchise Tax Board)
What a California registered agent does
A California registered agent — formally called an Agent for Service of Process — is the person or business your corporation designates to receive legal documents on its behalf. That includes lawsuits, subpoenas, state notices, and official correspondence from the California Secretary of State. Under California Corporations Code Section 1502, every domestic corporation must maintain a registered agent at all times.
When someone serves your corporation with legal papers, they deliver them to your registered agent. Under California Corporations Code Section 2110, service on the registered agent is legally equivalent to service on the corporation itself — meaning the clock on your response deadline starts the moment your agent receives the documents.
The agent must be available at their listed address during normal business hours on every business day. That availability requirement is one of the practical reasons many business owners choose a professional registered agent service rather than listing themselves.
Who can serve as a registered agent in California
California law sets clear eligibility rules for who can serve as a registered agent for a corporation. The agent must be either an individual who lives in California or a business entity authorized to do business in the state. A P.O. Box does not qualify — the agent must have a physical street address in California.
Individual agent: must reside in California and have a physical street address in the state (not a P.O. Box)
Corporate agent: must be a business entity authorized to conduct business in California
No P.O. Box: the registered office address must be a physical street address where the agent can receive documents in person
Availability: the agent must be reachable at the listed address during normal business hours on every business day
Your agent's name and address become part of the public record. The California Secretary of State publishes this information in its online Business Search database, so anyone can look up who your registered agent is.
Can I be my own registered agent in California?
Yes, you can serve as your own registered agent in California — but there are real trade-offs worth thinking through before you list yourself. You must have a physical street address in California, and you must be present at that address during all normal business hours on every business day. If you're ever away from the office, traveling, or working remotely, you risk missing a legal document.
There's also a privacy consideration. Your registered agent's name and address appear on your Statement of Information, which is a public document filed with the California Secretary of State. If you list your home address, it becomes publicly searchable. Many business owners prefer to keep that information off the public record.
A professional registered agent service handles availability and privacy for you. It's one of those decisions that feels minor at formation but matters a lot if you ever get served with legal papers at an inconvenient moment.
How to appoint a registered agent for your California corporation
You appoint your registered agent when you file your Articles of Incorporation with the California Secretary of State. The agent's name and California street address are required fields on the formation document — you can't complete the filing without them.
Choose your agent before you file — you'll need their name and California street address on your Articles of Incorporation
File your Articles of Incorporation with the California Secretary of State (domestic stock corporations pay a $100 state fee)
File a Statement of Information within 90 days of formation — this document also lists your registered agent and is filed through the Secretary of State's BizFile Online portal
Update your Statement of Information biennially to keep your agent's information current
If you use a formation service, your registered agent is typically named as part of that process. The agent information flows directly into your formation documents.
How to change your registered agent in California
You can change your registered agent in California at any time after formation. The process depends on whether the change is initiated by the corporation or by the agent themselves.
Changing your agent as the corporation
File an updated Statement of Information with the California Secretary of State through BizFile Online. The updated filing replaces the prior agent information on the public record. There is a $25 filing fee for an amended Statement of Information outside the regular biennial cycle.
When the agent resigns
A registered agent who wants to resign files a Certificate of Resignation of Agent for Service of Process (Form RA-100) directly with the California Secretary of State. Once the resignation is accepted, the corporation must appoint a new agent. Until a replacement is named, the corporation is out of compliance.
What happens if you don't have a registered agent
Not having a registered agent — or having one who isn't reachable — puts your corporation at real risk. California requires every corporation to maintain a registered agent at all times. If your agent resigns and you don't replace them, your corporation falls out of good standing with the Secretary of State.
The more immediate risk is missing legal documents. If a lawsuit is filed against your corporation and the process server can't reach your registered agent, the court can still enter a default judgment against you. You can end up losing a case you never knew was filed.
Staying current with your registered agent information is one of the lower-effort compliance tasks for a California corporation — and one of the higher-stakes ones if you let it slip.
Frequently asked questions
Yes. Every corporation formed or qualified to do business in California must appoint and maintain a registered agent — formally called an Agent for Service of Process — at all times. This is required under California Corporations Code Section 1502 and enforced by the California Secretary of State. There is no exception for small corporations or single-owner businesses.
Yes, but it comes with real constraints. You must have a physical street address in California — not a P.O. Box — and you must be present there during all normal business hours every business day. Your name and address also become part of the public record through the Secretary of State's Business Search database. Many business owners choose a professional registered agent service to avoid the availability requirement and keep their personal address off public filings.
Professional registered agent services in California typically run $100–$300 per year. Some formation platforms include the first year of registered agent service at no additional charge when you form your corporation through them. After the first year, an annual fee applies. If you serve as your own registered agent, there's no direct cost — but you take on the availability and privacy trade-offs described above.
Yes. Some formation platforms include the first year of registered agent service at no charge when you form your corporation. After the first year, a standard annual fee applies. Serving as your own registered agent is also free, but requires a California street address and full availability during business hours. There's no state-run free registered agent program.
File an updated Statement of Information with the California Secretary of State through the BizFile Online portal. The updated filing replaces your prior agent's information on the public record. If you're changing agents outside your regular biennial filing cycle, a $25 amendment fee applies. Your new agent must meet all California eligibility requirements — California street address, no P.O. Box — before you list them.
"Agent for Service of Process" is California's official term for what most states call a registered agent. It's the person or business entity designated to receive legal documents — lawsuits, subpoenas, government notices — on behalf of your corporation. Under California Corporations Code Section 2110, serving your agent is legally the same as serving your corporation directly, so the agent's availability and reliability matter.
You need to appoint a registered agent when you file your Articles of Incorporation with the California Secretary of State. The agent's name and California street address are required fields on the formation document — the filing won't be accepted without them. You'll also list your registered agent on your Statement of Information, which is due within 90 days of formation and biennially after that.
Your corporation falls out of good standing with the California Secretary of State, which can affect your ability to enter contracts, open bank accounts, and maintain your liability protection. The more immediate risk is missing legal documents — if a lawsuit is served and your agent isn't reachable, a court can enter a default judgment against your corporation. You can end up losing a case you never knew was filed.
