Capital gains tax is a crucial aspect of financial planning for investors and property owners. In California, understanding how these taxes work is essential due to the state’s unique tax structure. This comprehensive guide will delve into what capital gains tax entails, how California imposes these taxes, federal tax rates, strategies for tax efficiency, and practical examples to illustrate these concepts.
What Is Capital Gains Tax?
Capital gains tax is levied on the profit realized from the sale of a non-inventory asset that was greater than the amount realized from the sale. Common assets subject to capital gains tax include stocks, bonds, real estate, and other investments. The tax is only applicable when the asset is sold or “realized.”
Types of Capital Gains
- Short-Term Capital Gains: Profits from the sale of assets held for one year or less. These gains are taxed as ordinary income.
- Long-Term Capital Gains: Profits from the sale of assets held for more than one year. These gains benefit from reduced tax rates compared to short-term gains.
Does California Have a Capital Gains Tax?
Yes, California taxes capital gains as ordinary income. Unlike the federal government, which offers lower tax rates for long-term capital gains, California does not distinguish between short-term and long-term capital gains. All capital gains are subject to the state’s income tax rates, which range from 1% to 13.3%, depending on your income level.
Comparison to Other States
California’s approach differs from many other states. While some states align with federal tax rates on capital gains, others have no state income tax and, consequently, no state capital gains tax. For instance:
- States with No Income Tax: Texas, Florida, and Nevada do not impose state income tax, thus no state capital gains tax.
- States with Lower Rates: States like North Dakota tax capital gains at a lower rate, with a top marginal rate of 2.5%.
Federal Capital Gains Tax Rates
At the federal level, capital gains tax rates differ between short-term and long-term holdings.
Short-Term Capital Gains
Short-term gains are taxed as ordinary income. For 2025, the federal income tax brackets are:
- 10%: Up to $10,275 (Single Filers)
- 12%: $10,276 to $41,775
- 22%: $41,776 to $89,075
- 24%: $89,076 to $170,050
- 32%: $170,051 to $215,950
- 35%: $215,951 to $539,900
- 37%: Over $539,900
Note: These brackets are subject to annual adjustments for inflation.
Long-Term Capital Gains
Long-term gains benefit from reduced tax rates. For 2025, the rates are:
- 0%: Up to $48,350 (Single Filers)
- 15%: $48,351 to $533,400
- 20%: Over $533,400
Thresholds adjusted annually for inflation.
How California Residents Are Taxed on Capital Gains
California residents must consider both federal and state taxes on capital gains. Given that California taxes all capital gains as ordinary income, the combined tax liability can be significant.
Combined Tax Implications
For a single filer with a long-term capital gain of $100,000 in 2025:
- Federal Tax: 15% on $100,000 = $15,000
- California State Tax: Assuming a 9.3% state tax rate, 9.3% on $100,000 = $9,300
Total Tax Liability: $15,000 (federal) + $9,300 (state) = $24,300
Strategies for Tax Efficiency
To mitigate the impact of capital gains taxes, consider the following strategies:
- Tax-Advantaged Accounts: Invest through retirement accounts like Roth IRAs or 401(k)s, where investments can grow tax-free or tax-deferred.
- Charitable Giving: Donating appreciated assets to charity can provide a tax deduction and avoid capital gains tax.
- Renewable Energy Tax Equity: Offset gains by purchasing renewable energy credits.
Capital Gains Tax Planning Strategies
Effective planning can significantly reduce capital gains tax liabilities. Here are some strategies tailored for high-net-worth individuals and business owners:
1. Utilize Tax-Advantaged Accounts
- Retirement Accounts: Contributions to accounts like 401(k)s and IRAs can grow tax-deferred. Withdrawals in retirement may be taxed at a lower rate.
- Health Savings Accounts (HSAs): Contributions are tax-deductible, and withdrawals for qualified medical expenses are tax-free.
2. Engage in Charitable Giving
- Donor-Advised Funds: Contribute assets to a donor-advised fund to receive an immediate tax deduction and distribute funds to charities over time.
- Charitable Remainder Trusts (CRTs): Transfer assets into a CRT to receive income for a specified period, with the remainder going to charity. This can provide an immediate tax deduction and defer capital gains taxes.
3. Implement Tax-Loss Harvesting
- Offset Gains with Losses: Sell underperforming assets to realize losses that can offset gains. Excess losses can offset up to $3,000 of ordinary income annually and be carried forward to future years.
4. Consider 1031 Exchanges for Real Estate
- Deferral of Gains: Real estate investors can defer capital gains taxes by reinvesting proceeds from a sale into a similar property within a specific timeframe.
Example Scenarios
Scenario 1: Charitable Remainder Trust
Background: Jane, a California resident, owns appreciated stock worth $500,000 with a cost basis of $100,000.
Strategy: She transfers the stock into a Charitable Remainder Trust.
Outcome:
- Immediate Tax Deduction: Jane receives a charitable deduction based on the present value of the remainder interest.
- Income Stream: The trust sells the stock without immediate capital gains tax and provides Jane with annual income.
- Charitable Contribution: After the trust term, the remaining assets go to a designated charity.
Scenario 2: Tax-Loss Harvesting
Background: John has $50,000 in realized capital gains from selling a profitable investment.
Strategy: He sells another investment at a $20,000 loss.
Outcome:
- Net Capital Gain: John’s taxable gain is reduced to $30,000 ($50,000 gain – $20,000 loss).
- Tax Savings: Assuming a combined federal and state tax rate of 24.3%, John saves approximately $4,860 in taxes.
Conclusion
Navigating capital gains taxes in California requires a thorough understanding of both federal and state tax laws. By implementing strategic planning

