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If you have cashed out capital gains in New Jersey, you know you’ll lose something to taxes. But how much? It’s important to understand your capital gains tax liability and how it will impact your financial future, not least because that knowledge will empower you to take action to reduce your tax bill today.

In this article, we’ll explain what capital gains are and how they are taxed in New Jersey.

We’ll also show you different tax-planning strategies that can significantly reduce your state capital gains tax:

So let’s dive in!

What are Capital Gains? 

A capital gain is a capital asset’s increase in value from the value at which it was purchased. Capital assets include stocks, real estate, crypto, and private businesses – in short, any significant property that could gain or lose value over time.

Capital gains can be realized or unrealized. Realized capital gains are gains that you have captured by selling the asset. Unrealized gains, by contrast, refer to the increase in the value of an investment that you have not yet sold. For instance, if you hold stock that increases in value, but you haven’t sold it yet, that is considered an unrealized capital gain. In general, you will not pay taxes until you cash out or “realize” the gains.

Long-Term and Short-Term Capital Gains

There are two types of realized capital gains:

  • Short-term capital gains: These are gains from selling assets that you’ve held for one year or less. At the federal level, short-term capital gains are typically taxed at the same (high) rate as ordinary income.
  • Long-term capital gains: These are gains from selling assets that you’ve held for more than one year. At the federal level, long-term capital gains receive more favorable tax treatment than short-term gains.

How are Capital Gains Taxed?

Capital gains are not taxed until they are realized, meaning that even if your Apple stock has increased 50x from the day you bought the stock, you won’t owe any capital gains taxes until you sell the stock. Of course, once you do sell the stock, you will face federal and (depending on the state) state taxes. The tax rate will vary depending on your income and the type of asset you sold, but the rates are generally progressive, so individuals with higher incomes tend to face higher capital gains tax rates. Let’s look at how federal and state governments tax capital gains in more depth.

Need some help to understand the most convenient tax planning structure to reduce your capital gains taxes? Our team of tax-planning experts can help!

What Is The Federal Capital Gains Tax (2025)?

Short- and long-term capital gains are taxed differently; assets held for one year or less are taxed at ordinary income rates, while longer-held assets are taxed at lower rates. 

The short-term capital gains schedule matches the schedule for ordinary income, and your marginal and effective rates depend on your income and marital status, as shown below:

Taxable income (Single Filers)Taxable income
(Married Filing Jointly)
Tax Rate
$0 to $11,925$0 to $23,85010%
$11,925 to $48,475$23,850 to $96,95012%
$48,475 to $103,350$96,950 to $206,70022%
$103,350 to $197,300$206,700 to $394,60024%
$197,300 to $250,525$394,600 to $501,05032%
$250,525 to $626,350$501,050 to $751,60035%
$626,350 or more$751,600 or more37%

Short-Term Federal Capital Gains Tax Rates for 2025

Long-term capital gains, meanwhile, are taxed at a lower rate than ordinary income. Here, too, the precise rate depends on the individual’s income and marital status:

Taxable income (Single Filers)Taxable income
(Married Filing Jointly)
Tax Rate
$0 to $48,350$0 to $96,7000%
$48,350 – $533,400$96,700 – $600,05015%
$533,400 or more$600,050 or more20%

Long-Term Federal Capital Gains Tax Rates for 2025

In addition, some categories of capital assets fall entirely outside of this rubric: gains on collectibles such as art, jewelry, antiques, and stamp collections are taxed up to a maximum 28% rate.

That’s not all: There’s an additional federal tax that was introduced in 2010, known as the Net Investment Income Tax (NIIT), that applies to most capital gains that exceed the exemption amount. The first $200,000 for a single filer, or $250,000 for married filers, are exempt from the NIIT. But everything in excess of those thresholds is taxed at 3.8%.

New Jersey Capital Gains Tax In 2025 Explained

What Is The New Jersey Capital Gains Tax?

Unlike the federal government, New Jersey makes no distinction between short-term and long-term capital gains – or even between capital gains and ordinary income. Instead, it taxes all capital gains as ordinary income, using the same rates and brackets as the regular state income tax:

Taxable Income
(Single Filers)
Taxable Income
(Married Filing Jointly)
Single Tax RateMarried Filing Jointly
Tax Rate
$0 to $20,000$0 to $20,0001.4%1.4%
$20,000 to $35,000$20,000 to $50,0001.75%1.75%
$35,000 to $40,000$50,000 to $70,0003.50%2.45%
$40,000 to $75,000$70,000 to $80,0005.53%3.50%
$75,000 to $500,000$80,000 to $150,0006.37%5.53%
$500,000 to $1,000,000$150,000 to $500,0008.97%6.37%
$1,000,000 or more$500,000 to $1,000,00010.75%8.97%
$1,000,000 or more10.75%

New Jersey Capital Gains Tax Rates

Case Study

So, what would these numbers look like in the real world?

Let’s consider Jenna, a New Jersey investor who purchased 7,000 shares of Apple stock in April 2019 at $50 per share. She decides to sell her shares in January 2025 at a price of $100 each. Jenna held the stock for more than one year, so her realized income is considered long-term capital gain.

Jenna realized a capital gain of $350,000. (She paid for 7,000 shares at $50 each, for a total of $350,000, and then sold them for $100 each, for a total of $700,000. That’s a net gain of $350,000).

Federal taxes

To simplify this example, let’s assume further that she doesn’t earn any other income. (If she did, it would be more complicated to figure out which bracket she falls into.) Given her $360,000 of gains, she would fall into the income bracket between $48,350 and $533,400, resulting in a long-term federal capital gains tax rate of 15%. As a result of the progressive tax system, however, not every dollar will be taxed at that rate. The amount below $48,350 won’t be taxed, so she would pay $46,748 in federal capital gains tax on this transaction (15% of every dollar over $48,350). In addition, Jenna would owe Net Investment Income Tax on the gains in excess of $200,000, resulting in another $6,080 of tax, bringing her total federal tax liability to $52,828.

State taxes 

Jenna would also pay New Jersey taxes on her capital gains. Given her $350,000 capital gains, she falls into Jenna would also pay New Jersey taxes on her capital gains. Given her $350,000 capital gains, she falls into the 8.97% tax bracket. Like the federal government, New Jersey uses a progressive tax system, which means that different portions of the individual’s capital gains are taxed at the different rates corresponding to the brackets they fall into.

Here’s how it breaks down for Jenna:

  • The first $20,000 is taxed at 1.4% ($280)
  • The portion from $20,000 to $35,000 is taxed at 1.75% ($262.50)
  • The portion from $35,000 to $40,000 is taxed at 3.50% ($175)
  • The portion from $40,000 to $75,000 is taxed at 5.53% ($1,937.50)
  • The portion from $75,000 to $500,000 is taxed at 6.37% ($16,162.50)
  • The portion from $500,000 to $1,000,000 is taxed at 8.97%, but since Jenna’s income doesn’t exceed this bracket, no further taxation applies.

Adding these amounts together, the individual would pay a total of $18,817.50 in New Jersey state capital gains taxes for 2025.

Short-term gains

A quick counterfactual: If Jenna had sold her stock after holding for less than a year, her earnings would have been considered short-term capital gains, and she would have been subject to ordinary income taxes at both the federal and New Jersey levels.

What is Tax Planning?

Capital gain taxes can significantly reduce your net earnings from the sale of an asset. Accordingly, it’s critical to identify strategies that can reduce these taxes.

Tax planning is a strategic approach to reducing a person’s tax liability by leveraging various tax benefits and allowances. It’s about understanding the tax implications of your financial decisions so you can minimize your taxes and, ultimately, keep more of your hard-earned money. This might involve making investments that offer tax benefits, choosing the right type of retirement account, taking advantage of generally available deductions and credits, or creating a tax-advantaged trust or other vehicle.

Tax-Planning Ideas to Reduce Capital Gains Tax

There are many tax planning strategies that can help you reduce your federal and New Jersey capital gains tax liability. Here are a few ideas:

  • Use a Charitable Remainder Trust: You can defer capital gains by moving appreciated assets into a Charitable Remainder Trust (CRT) before you sell. A CRT is a type of trust that is for the benefit of both an individual (like you) and a charity. The individual receives distributions each year for a specified term. The charity receives a lump sum at the end of the trust term. The trust itself is tax exempt, so assets sold inside of it do not trigger any immediate capital gains tax. You pay tax on the distributions that you receive, spreading out the tax liability across many years and allowing the untaxed principal inside the trust to be generate investment returns in the meantime. CRTs can increase after-tax returns substantially. Learn more about Charitable Remainder Trusts here or set up a call with us here.
  • Buy a Renewable Energy Project: Purchasing renewable energy projects can make you eligible for significant government tax incentives — tax credits and depreciation — to lower your income taxes. Taking into account tax savings and cash flow, this strategy can return 5.85x on your purchase price compared to choosing to pay your taxes directly. Learn more about renewable energy tax savings here or set up a call with us here to learn more.
  • Invest in Oil & Gas Wells: These structures allow investors to put their money into the production and development of oil and gas wells. Oil and gas well investments offer substantial tax benefits, including the ability to deduct drilling costs upfront against other income, potentially recouping up to 50% of the investment in tax savings in the first year. Investors often realize 20%+ cash yields annually for the first five years. You can read more about investing in oil and gas wells here.
  • Maximize Retirement Contributions: Both federal and state tax laws allow deductions for contributions to certain retirement accounts like a 401(k) or an IRA. Maxing out these contributions can lower your taxes, including ordinary income and capital gains taxes.
  • Charitable Lead Annuity Trusts: If you are charitably inclined, a Charitable Lead Annuity Trust (CLAT) is an option. Like a donor advised fund, a gift to a CLAT can generate a 100% upfront income tax deduction. But unlike a donor advised fund or a typical charity, with a CLAT you can actually get a portion of your charitable gift back in the future in the form of a “remainder interest.”

You can also compare the quantitative returns and tax savings of these different strategies using our capital gains tax savings comparison calculator and customize it to your own situation.

Conclusion

Capital gain taxes can significantly reduce the wealth you keep. Fortunately, there are several strategies available to minimize these taxes. Read more here and check out our Guided Planner tool, where we’ll point you toward the strategies that might apply to you.

About Valur

We’ve built a platform to give everyone access to the tax and wealth-building tools typically reserved for wealthy individuals with a team of accountants and lawyers. We make it simple and seamless for our customers to take advantage of these hard-to-access tax-advantaged structures. With Valur, you can build your wealth more efficiently at less than half the cost of competitors. 

From picking the best strategy to taking care of all the setup and ongoing overhead, we make things simple. The results are real: We have helped create more than $3 billion in additional wealth for our customers. If you would like to learn more, please feel free to explore our Learning Center. You can also see your potential tax savings with our online calculators or schedule a time to chat with us!

Mani Mahadevan

Mani Mahadevan

Founder & CEO

Mani is the founder and CEO of Valur. He brings deep financial and strategic expertise from his prior roles at McKinsey & Company and Goldman Sachs. Mani earned his degree from the University of Michigan and launched Valur in 2020 to transform how individuals and advisors approach tax planning.