Legal Information Notice
This guide provides general educational information about California business tax planning. It is not legal or tax advice. Business tax planning is highly fact-specific and depends on your entity type, industry, and individual circumstances. Consult a licensed California tax attorney and CPA for guidance on your situation. Reading this does not create an attorney-client relationship.
Why California Business Taxation Is Uniquely Challenging
California is consistently ranked among the highest-tax states for businesses. The California Franchise Tax Board imposes corporate and pass-through taxes on top of federal obligations, and California's rules frequently diverge from federal rules in ways that create both compliance traps and planning opportunities. Understanding California's specific rules — not just federal tax law — is essential for California business owners.
Entity Selection: The First Major Tax Decision
The type of entity you operate through — sole proprietorship, LLC, S corporation, C corporation, or partnership — determines how your business income is taxed at both the federal and California level. Key considerations:
California LLC
California LLCs are subject to an annual minimum franchise tax of $800 (regardless of income or activity) plus a gross receipts-based LLC fee for businesses with more than $250,000 in California gross receipts. Unlike federal treatment, California does not allow a single-member LLC to be completely ignored for state tax purposes. However, California recently enacted an exemption from the $800 minimum tax for new LLCs in their first year.
S Corporation vs. LLC in California
S corporations pay California's 1.5% franchise tax on net income (minimum $800), while LLCs face the gross receipts-based fee. For high-revenue, low-margin businesses, an S corporation may have lower California tax. S corporations also allow owner-employees to split income between salary (subject to payroll taxes) and distributions (not subject to payroll taxes) — a significant planning opportunity that requires careful structuring to withstand IRS scrutiny.
C Corporation
C corporations are subject to federal corporate tax (21%) and California franchise tax (8.84%, minimum $800). They also face the potential for double taxation — corporate-level tax on earnings plus shareholder-level tax on dividends. However, for certain businesses (particularly those seeking outside investment or planning an exit), C corporation structure provides advantages in flexibility, stock option planning, and potential QSBS exclusion at sale.
Owner Compensation Strategy
How you pay yourself from your business has significant tax consequences:
- Salary vs. distributions (S corp): Salary is subject to payroll taxes (15.3% self-employment equivalent); distributions are not. The IRS requires S corp owner-employees to pay themselves a "reasonable salary" — but excess distributions above the salary can be tax-free of payroll taxes.
- Retirement plan contributions: Business owners can contribute to Solo 401(k)s, SEP-IRAs, or defined benefit plans — potentially deferring $60,000+ per year in taxable income while building retirement savings.
- Accountable plan for business expenses: California and federal rules allow businesses to reimburse owner-employees for business expenses through an accountable plan — reducing both the business's taxable income and the owner's personal income.
California's Conformity Gaps: Where State and Federal Rules Diverge
California frequently does not conform to federal tax law changes, creating traps for business owners who assume state and federal treatment are the same:
- Section 179 expensing: California has lower Section 179 limits than federal — businesses that fully expense equipment federally may need to depreciate it over multiple years on the California return
- Bonus depreciation: California does not conform to federal 100% bonus depreciation — creating a significant difference between federal and California depreciation deductions
- Qualified Business Income (QBI) deduction: California does not have a QBI deduction — pass-through owners who deduct 20% of qualified business income federally get no equivalent deduction on their California return
- Section 1202 QSBS exclusion: California does not conform — business founders who exclude 100% of gain from federal tax on qualified small business stock sale still pay California income tax on the full gain
- Net operating loss (NOL) rules: California has suspended or limited NOL deductions in various years and has different carryback/carryforward rules than federal
Exit Planning: The Most Tax-Sensitive Business Decision
How you structure the sale of your California business may be the largest single tax event of your lifetime. Key decisions — asset sale vs. stock sale, installment sale, earnout structure, and asset allocation — can mean the difference between paying 20% and 45% of the sale price in combined federal and California taxes. See our complete guide: Selling a California Business: Tax Implications.
Business Tax Planning and Estate Planning: Two Sides of the Same Plan
For California business owners, business tax planning and estate planning are inseparable. How your business interest is owned (individually, in a trust, through a holding company) affects both the estate tax value of the asset and how it transfers at death. Buy-sell agreements, life insurance, and ownership structure decisions made in the business context have major estate planning consequences. Bay Legal PC helps California business owners address both dimensions together.
General information. Business and estate tax planning are highly complex. Consult a licensed California tax attorney and CPA for guidance specific to your business and situation.