DIY or a Formation Service for Your California LLC? The Real 2026 Cost, From Filing Fee to Annual Tax

How much does it really cost to start a California LLC on your own?

Starting a California LLC on your own costs at least $890 in state fees and tax in the first year: $70 for the Articles of Organization, $20 for the initial Statement of Information, and the $800 annual tax. That floor assumes the owner serves as their own agent for service of process, drafts their own operating agreement, and gets an EIN directly from the IRS at no charge.

The up-front filing

The Articles of Organization are the document that legally creates the LLC. The filing names the company, lists its addresses, and designates its agent for service of process. Optional expedited handling is available for an extra state fee, but standard processing is the default and costs nothing beyond the $70.

The $800 annual tax, and why the first year catches people

The $800 annual tax is the largest recurring cost of owning a California LLC, and it applies whether or not the business earns any money. Every LLC doing business in or organized in California owes it each year until the LLC is formally canceled. The temporary first-year exemption no longer helps new owners, since it only covered tax years beginning in 2021 through 2023. An LLC formed in 2026 should budget for the full $800 in its first year.

Timing is where DIY owners most often get caught. The first payment is due by the 15th day of the 4th month after the LLC files with the Secretary of State, so an LLC filed in September owes its first $800 by December 15. Later payments fall on the 15th day of the 4th month of each tax year, which is April 15 for a calendar-year LLC. That means an LLC formed late in the year can owe two $800 payments only a few months apart. Payment is made with Form FTB 3522, the LLC Tax Voucher.

Higher-revenue LLCs owe a second charge. LLCs with more than $250,000 in California gross receipts pay a separate LLC fee, estimated and paid by the 15th day of the 6th month of the tax year, and it ranges from $900 to $11,790 depending on receipts.

The Statement of Information

Every California LLC must file an initial Statement of Information (Form LLC-12) within 90 days of formation and then every two years. The fee is $20 per filing. In many states, the first compliance report comes due about a year after formation. California's clock is much shorter, which is exactly why the initial statement is one of the filings new owners miss most.

The agent for service of process

California requires every LLC to keep an agent for service of process with a physical in-state street address who is available during business hours. An owner who lives in California can serve as the LLC's own agent, which costs nothing in fees but puts that address on the public record and requires someone to be reachable there during the business day. Commercial agent services typically charge $100 to $300 a year.

DIY cost and deadline summary

Hidden or easy-to-miss costs of the DIY path

• ▸The owner's time. Researching requirements, completing forms, building a tax and filing calendar, and checking each step takes hours. Multiply those hours by what the owner could earn doing paid work to see the true price.
• ▸The second $800 payment. Owners who budget for one $800 payment in year one are often surprised when the next one arrives within months.
• ▸Local licenses and name filings. California has no statewide general business license, but cities and counties may require their own, and a county fictitious business name (DBA) filing typically costs $10 to $100.
• ▸Certificates for banks and lenders. A Certificate of Status costs $5 by mail, and banks and lenders often ask for one.
• ▸Paid "EIN filing" sites. The IRS issues EINs free, yet some websites charge for the same application.
• ▸Misleading solicitations. The Secretary of State has issued alerts about misleading Statement of Information solicitations, mailers that can look like official state notices.
• ▸Correction filings. Fixing an error after approval requires a Certificate of Amendment, which carries its own $30 fee.

What does it cost when a DIY filing goes wrong?

Most DIY mistakes in California cost little in fees to fix, often $30 or $250, but a few escalate into suspension, which can cost far more in back taxes, penalties, and lost ability to operate. The fix is cheap when caught early; the expense comes mainly from the time it takes to notice.

What happens if the Statement of Information is missed?

When an LLC misses its Statement of Information, the Secretary of State sends a delinquency notice. If the LLC still has not filed within 60 days, the Franchise Tax Board assesses a $250 penalty. An LLC that keeps missing the filing can be suspended by the Secretary of State.

What happens if the $800 annual tax goes unpaid?

An LLC that does not pay its annual tax or file its returns can be suspended by the Franchise Tax Board, which strips its ability to do business in California. A suspended business may also face a $2,000 penalty per tax year for failing to file missing returns within 60 days of a written demand. Reviving the LLC requires filing all returns, paying the tax, penalties, and interest, and applying for a certificate of revivor. A suspended LLC also cannot get a Certificate of Status, which lenders, landlords, and some clients require.

Common DIY errors and what they cost

• ▸Agent for service of process problems. Listing an agent who is not reliably reachable means lawsuit papers can be missed. If diligent attempts at service fail and a court orders it, a plaintiff can serve the LLC through the Secretary of State, which charges $50 for substituted service, and the owner may not learn of the case in time to respond.
• ▸EIN timing and details. The IRS tells LLCs to form with the state before applying for an EIN, and applying early can delay the application. The responsible party must be an individual who controls the entity. Choosing a tax classification without understanding it also matters, since changing it later means new IRS paperwork.
• ▸The beneficial ownership (BOI) misconception. Many owners still believe every new LLC must file a BOI report with FinCEN. Under a final rule effective August 14, 2026, U.S. companies are permanently exempt from that requirement, and reporting now applies only to certain foreign entities registered to do business in the U.S. The mistake today is paying someone to file a BOI report for a domestic LLC that does not owe one. Check FinCEN's current guidance before acting on any BOI notice.
• ▸Skipping the operating agreement. California does not legally require one, so many DIY owners skip it. Without one, state default rules settle disputes, and even a single-member LLC loses a key document that shows the owner and the business are separate, which is the separation courts examine when liability protection is challenged.
• ▸Errors in the original filing. A rejected filing has to be corrected and resubmitted, and state filing fees are often nonrefundable. An error found after approval, such as a misspelled name or wrong address, needs a Certificate of Amendment at $30.

Ready to form a California LLC?

The cheapest path on day one is not always the cheapest path by year two. Owners who want the filing done accurately, the Statement of Information tracked, and an EIN and operating agreement template handled in one place can start with the ZenBusiness California LLC formation service and budget separately for the $800 annual tax that every California LLC owes.