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New Mexico Capital Gains Tax Explained

Capital gains tax is a pivotal aspect of the tax system, affecting individuals and businesses alike. For residents of New Mexico, understanding both federal and state capital gains tax regulations is essential for effective financial planning. This guide delves into the intricacies of capital gains tax, with a particular focus on how it applies to New Mexico taxpayers.

What is Capital Gains Tax?

Capital gains tax is levied on the profit realized from the sale of assets or investments, such as stocks, real estate, or businesses. The tax rate depends on the duration the asset was held before sale:

  • Short-term capital gains: Assets held for one year or less are taxed at the individual’s ordinary income tax rate.
  • Long-term capital gains: Assets held for more than one year benefit from reduced tax rates, which are generally lower than ordinary income tax rates.

Does New Mexico Have a Capital Gains Tax?

Yes, New Mexico taxes capital gains; however, the state offers specific deductions that can reduce the taxable amount:

  • Deduction: Taxpayers can exclude the greater of $1,000 or 40% of their net capital gains from their taxable income. 

Comparison to Other States:

  • Neighboring States:
    • Arizona: Allows a 25% exclusion of net long-term capital gains, with the remainder taxed at ordinary income rates.
    • Colorado: Taxes capital gains at the same rate as ordinary income, with no specific exclusions.
  • No State Income Tax: States like Texas and Nevada do not impose state income or capital gains taxes.

Federal Capital Gains Tax Rates

At the federal level, long-term capital gains are taxed at three primary rates: 0%, 15%, and 20%, depending on the taxpayer’s taxable income and filing status. The thresholds for these rates are adjusted annually for inflation.

2025 Federal Long-Term Capital Gains Tax Rates:

Single Filers:

Taxable Income RangeTax Rate
Up to $44,6250%
$44,626 – $492,30015%
Over $492,30020%

Married Filing Jointly:

Taxable Income RangeTax Rate
Up to $89,2500%
$89,251 – $553,85015%
Over $553,85020%

Married Filing Separately:

Taxable Income RangeTax Rate
Up to $44,6250%
$44,626 – $276,90015%
Over $276,90020%

Head of Household:

Taxable Income RangeTax Rate
Up to $59,7500%
$59,751 – $523,05015%
Over $523,05020%

NoteShort-term capital gains are taxed at ordinary income tax rates, which range from 10% to 37% based on taxable income and filing status. 

How New Mexico Residents Are Taxed on Capital Gains

Federal Level:

  • Short-Term Gains: Taxed as ordinary income.
  • Long-Term Gains: Subject to the federal rates outlined above.

State Level:

  • Tax Rate: New Mexico taxes capital gains at the same rate as ordinary income, with a top marginal rate of 5.9%.
  • Deduction: Taxpayers can exclude the greater of $1,000 or 40% of their net capital gains from state taxable income. 

Example:

If a New Mexico resident realizes a $10,000 long-term capital gain:

  • Deduction: 40% of $10,000 = $4,000.
  • Taxable Amount: $10,000 – $4,000 = $6,000.
  • State Tax: $6,000 * 5.9% = $354.

Capital Gains Tax Planning Strategies

Effective tax planning can significantly reduce capital gains tax liabilities. Here are some strategies, particularly relevant for high-net-worth individuals and business owners:

1. Utilize New Mexico’s Capital Gains Deduction

  • Maximize the 40% Exclusion: Ensure you’re taking full advantage of the state’s deduction on long-term capital gains.

2. Invest in Opportunity Zones

  • Tax Incentives: Investing in Qualified Opportunity Zones can defer and potentially reduce capital gains taxes. These zones are designated to encourage investment in economically distressed areas.

3. Engage in Renewable Energy Tax Equity Deals

  • Tax Credits: Participating in renewable energy projects can provide substantial tax credits, offsetting capital gains. For detailed information, consult a tax credit consultant.

4. Harvest Tax Losses

  • Offset Gains: Selling underperforming investments at a loss can offset gains from other investments, reducing overall taxable capital gains.

5. Consider Charitable Contributions

  • Donations: Donating appreciated assets to qualified charities can provide deductions and eliminate capital gains taxes on the donated assets.

Example Scenarios

Scenario 1: Investing in a Renewable Energy Tax Equity Deal

Background:

  • Investor: Jane, a high-net-worth individual.
  • Capital Gain: $500,000 from the sale of stock.

Strategy:

Outcome:

  • Tax Credits: Jane receives tax credits that directly reduce her federal tax liability, effectively offsetting the capital gains tax owed on the $500,000 gain.

Scenario 2: Utilizing Opportunity Zones

Background:

  • Investor: John, a business owner.
  • Capital Gain: $200,000 from the sale of a property.

Strategy:

  • Investment: John reinvests the $200,000 gain into a Qualified Opportunity Fund within 180 days.

Outcome:

  • Deferral: John defers capital gains tax on the $200,000 until the earlier of the date he sells his Opportunity Fund investment or December 31, 2026.
  • Potential Reduction: If held for at least 10 years, any additional gains from the Opportunity Fund investment may be tax-free.

Conclusion

Navigating capital gains tax in New Mexico requires a thorough understanding of both federal and state regulations. By leveraging available deductions and strategic investments, taxpayers can optimize their tax positions. It’s advisable to consult with a tax credit consultant to tailor strategies to individual financial situations.

About Veritas

Veritas is a platform for independent tax credit consultant and tax advisors to better help their clients. We have saved clients millions of dollar from tax advantages. To get connected to a tax credit consultant or find out more about becoming a tax credit consultant, contact us here. To learn more about tax credits and other tax advantaged strategies check out our tax related resources.


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