How to Start a Business in California: Complete Legal and Tax Guide

California Business Landscape

California offers the largest state economy in the US with unique opportunities and challenges:

• Largest Market: Nearly 40 million consumers
• Innovation Hub: Silicon Valley and tech ecosystem
• Diverse Economy: Technology, entertainment, agriculture, manufacturing
• Higher Costs: Real estate, labor, and operational expenses
• Complex Regulations: Extensive compliance requirements
• Talent Pool: Highly educated workforce

Step 1: Choose Your Business Structure

Select the appropriate entity type for your California business. If you're also evaluating other states, see our guides on starting a business in Texas and starting a business in Florida.

Business Structure Options:

• LLC: Popular choice, $70 filing fee + $800 annual franchise tax
• Corporation: $100 filing fee + $800 minimum franchise tax
• Sole Proprietorship: Simplest but no liability protection
• Partnership: Multiple owners, pass-through taxation
• Benefit Corporation: For social/environmental impact businesses

Step 2: Register Your Business Name

Ensure your business name complies with California requirements:

Name Requirements:

• Must be distinguishable from existing California entities
• Include required designators (LLC, Inc., Corp.)
• Cannot contain prohibited words
• Cannot suggest government affiliation

Name Registration Process:

• Search existing names at bizfileonline.sos.ca.gov
• Reserve name for 60 days ($10 fee)
• File fictitious business name if using DBA

Step 3: File Formation Documents

Submit required paperwork to California Secretary of State. For help choosing between online formation services, see our LegalZoom vs ZenBusiness comparison.

For LLCs — Articles of Organization:

• Business name and purpose
• Registered agent information
• Management structure
• Principal office address
• Filing fee: $70

For Corporations — Articles of Incorporation:

• Corporate name and purpose
• Share structure and authorized shares
• Registered agent and office
• Director information
• Filing fee: $100

Step 4: Appoint a Registered Agent

California requires every business to have a registered agent:

Registered Agent Requirements:

• Must have California street address
• Available during regular business hours
• Can be owner, employee, or professional service
• Receives legal documents and state correspondence

Step 5: Obtain Federal EIN

Get your Employer Identification Number from the IRS:

• Required for tax filing and banking
• Free from IRS.gov directly
• Needed even without employees
• Apply online for immediate receipt

Step 6: Get Required Licenses and Permits

California has extensive licensing requirements:

State Licenses:

• Seller's Permit: Required for retail sales
• Professional Licenses: For regulated occupations
• Contractor's License: For construction work over $500
• Health Permits: For food service businesses
• Environmental Permits: For certain industries

Local Requirements:

• Business license from city/county
• Zoning permits and compliance
• Fire department clearances
• Building permits if applicable

Step 7: Understand California Tax Obligations

California has significant tax requirements for businesses:

State Taxes:

• Franchise Tax: $800 minimum annually for LLCs and corporations
• Income Tax: Up to 13.3% for high earners
• Sales Tax: Base rate 7.25% plus local taxes
• Employment Taxes: State disability insurance, unemployment
• Property Tax: Varies by county

Step 8: Open Business Bank Account

Separate business and personal finances:

Required Documents:

• Articles of Organization/Incorporation
• EIN confirmation letter
• Operating Agreement or Bylaws
• Government-issued ID
• Initial deposit

Step 9: Obtain Business Insurance

Protect your California business with appropriate coverage:

Essential Insurance Types:

• General Liability: Required for most businesses
• Workers' Compensation: Mandatory with employees
• Professional Liability: For service providers
• Property Insurance: For business assets
• Commercial Auto: For business vehicles

Step 10: Comply with Employment Laws

California has strict employment regulations:

Key Requirements:

• Register with Employment Development Department
• Obtain workers' compensation insurance
• Comply with minimum wage laws ($16/hour in 2024)
• Provide required paid sick leave
• Follow meal and rest break requirements
• Display mandatory workplace posters

Ongoing Compliance Requirements

Maintain good standing with California:

Annual Requirements:

• Pay $800 franchise tax by April 15th
• File Statement of Information every 2 years
• Maintain registered agent and office
• Renew business licenses annually
• File required tax returns