How to Form Corporation in California

Quick Answer

To form a corporation in California, you must file Articles of Incorporation with the California Secretary of State for a $100 filing fee. As of April 10, 2026, the process takes approximately 3-5 business days when filed online. California corporations are subject to an $800 minimum annual franchise tax and an 8.84% corporate income tax rate.

Step-by-Step Formation Process

1. Choose and Reserve Your Corporate Name

   • Search name availability on the California Secretary of State website
   • Ensure the name includes “Corporation,” “Corp.,” “Incorporated,” or “Inc.”
   • Consider reserving the name for 60 days if you’re not ready to file immediately

2. Appoint a Registered Agent

   • Designate someone with a California street address to receive legal documents
   • This can be yourself, an employee, or a professional registered agent service

3. Prepare Articles of Incorporation

   • Use Form ARTS-GC (Articles of Incorporation - General Corporation)
   • Include corporate name, registered agent information, and authorized shares
   • Specify the corporation’s purpose (can be general business purposes)

4. File Articles of Incorporation

   • Submit online through the California Secretary of State’s business portal
   • Mail to: Secretary of State, Document Filing Support Unit, P.O. Box 944228, Sacramento, CA 94244-2280
   • Include the $100 filing fee

5. Obtain Federal EIN

   • Apply for an Employer Identification Number through the IRS website
   • Required for tax purposes and opening business bank accounts

6. Create Corporate Bylaws

   • Draft internal rules governing corporate operations
   • Not filed with the state but required for corporate compliance

7. Hold Initial Board Meeting

   • Elect officers, adopt bylaws, and authorize share issuance
   • Document decisions in corporate minutes

Costs Breakdown

Item	Cost	Notes
Articles of Incorporation Filing Fee	$100	Required state fee as of April 10, 2026
Registered Agent (if using service)	$100-300/year	Optional if you serve as your own
Name Reservation (optional)	$10	Holds name for 60 days
Certified Copies	$8 each	Additional copies of filed documents
Annual Franchise Tax	$800 minimum	Due every year regardless of income

Contact the California Secretary of State for current fee information, as rates may change.

Requirements Checklist

Before filing your Articles of Incorporation, ensure you have:

• Unique Corporate Name - Must be available and include required corporate designator
• Registered Agent - California resident or entity authorized to do business in California
• Incorporator Information - Person signing and filing the Articles of Incorporation
• Share Structure - Number and type of authorized shares
• Corporate Address - Principal business address (can be outside California)
• Filing Fee - $100 payable to California Secretary of State

Tax Implications

California corporations face several tax obligations as of April 10, 2026:

State Corporate Income Tax: 8.84% on net income, one of the highest rates in the nation.

Franchise Tax: $800 minimum annual tax due regardless of income or activity level. This applies even if the corporation generates no revenue during the tax year.

Federal Corporate Tax: 21% federal corporate income tax rate applies to all U.S. corporations.

Double Taxation: C-corporations face potential double taxation - once at the corporate level and again when profits are distributed to shareholders as dividends.

Tax Planning Considerations: Consider S-corporation election to avoid double taxation, though this limits ownership structure and may not eliminate California franchise tax obligations.

Ongoing Obligations

California corporations must maintain compliance through several ongoing requirements:

Annual Franchise Tax: File Form 100 (California Corporation Franchise or Income Tax Return) and pay the $800 minimum franchise tax by the 15th day of the 4th month after the close of the tax year.

Federal Tax Returns: File Form 1120 with the IRS annually.

Corporate Records: Maintain corporate bylaws, meeting minutes, stock records, and financial statements at the principal office.

Annual Meetings: Hold annual shareholder and board of directors meetings as required by corporate bylaws.

Registered Agent: Maintain a registered agent with a California address at all times.

Business Licenses: Renew any required business licenses and permits based on your industry and location.

Registered Agent

California law requires all corporations to maintain a registered agent - an individual or entity authorized to receive legal documents, tax notices, and official correspondence on behalf of the corporation.

Requirements: The registered agent must have a California street address (P.O. boxes are not acceptable) and be available during normal business hours.

Options: You can serve as your own registered agent if you have a California address, appoint an employee or officer, or hire a professional registered agent service.

Professional Services: Many businesses choose professional registered agent services for privacy, reliability, and compliance assurance, typically costing $100-300 annually.

Common Mistakes to Avoid

1. Failing to Pay Annual Franchise Tax: The $800 minimum franchise tax is due even with zero income. Missing this payment results in penalties and potential suspension.

2. Inadequate Record Keeping: California requires detailed corporate records. Failure to maintain proper documentation can lead to loss of limited liability protection.

3. Mixing Personal and Business Finances: Using corporate funds for personal expenses or failing to maintain separate bank accounts can “pierce the corporate veil.”

4. Not Holding Required Meetings: Annual shareholder and board meetings are legally required, even for single-owner corporations.

5. Ignoring Registered Agent Requirements: Failing to maintain a registered agent or keep contact information current can result in missed legal notices.

6. Overlooking Industry-Specific Requirements: Many businesses need additional licenses or permits beyond basic incorporation.

7. Choosing Wrong Entity Type: Corporations may not be optimal for all businesses due to double taxation and compliance complexity.

Related Guides

• How to Form Corporation in Colorado 2026 - $50 Filing Fee
• How to Form LLC in California 2026: Complete Guide ($70 Fee)
• How to Form Corporation in Massachusetts: 2026 Guide
• How to Form Corporation in Arizona: 2026 Complete Guide
• How to Form Corporation in Connecticut: 2026 Guide & Fees

FAQ

How long does it take to form a corporation in California?

Online filings typically process within 3-5 business days as of April 10, 2026. Mail filings may take 2-3 weeks. Expedited processing options may be available for additional fees.

Can I be my own registered agent in California?

Yes, you can serve as your own registered agent if you have a California street address and are available during business hours to receive legal documents. However, many business owners prefer professional services for privacy and reliability.

What’s the difference between Articles of Incorporation and corporate bylaws?

Articles of Incorporation are filed with the state and establish the corporation’s legal existence. Bylaws are internal rules governing corporate operations and are not filed with the state but are required for proper corporate governance.

Do I need an attorney to form a corporation in California?

While not legally required, consulting an attorney is recommended for complex business structures or if you’re unsure about entity selection. The formation process itself can be completed without legal representation.

Can a California corporation have just one owner?

Yes, California allows single-shareholder corporations. One person can serve as the sole shareholder, director, and officer, though proper corporate formalities must still be maintained.

When is the first franchise tax payment due?

The first $800 franchise tax payment is due by the 15th day of the 4th month after incorporation. For example, if you incorporate in January, the first payment is due by April 15th of the same year.

Can I convert my LLC to a corporation later?

Yes, California allows statutory conversions from LLC to corporation. This process requires filing specific forms and may have tax implications, so consult with a tax professional before proceeding.

What happens if I don’t maintain my California corporation?

Failure to pay franchise taxes or maintain required filings can result in administrative suspension by the California Secretary of State. Suspended corporations lose good standing status and may face additional penalties.

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This article provides general information for educational purposes only. Business formation involves complex legal and tax considerations that vary by situation. Consult with a qualified attorney or accountant for advice specific to your circumstances.