Step-Up in Basis and Its Role in Estate Planning

Gabriel Katzner - July 2, 2025 - Estate Planning
Step-Up in Basis and Its Role in Estate Planning

When it comes to estate planning, understanding tax implications is often just as important as deciding who inherits your assets. One of the most significant tax benefits associated with inheritance is the step-up in basis. At Katzner Law Group, we help families plan for the future while minimizing tax burdens. In this blog post, we’ll break down what the step-up in basis is, how it works for inherited property, and why it’s a crucial tool in your estate planning strategy.

What Is a Step-Up in Basis?

The step-up in basis refers to the adjustment of the value (or “basis”) of an inherited asset for tax purposes. When someone inherits property, the IRS allows the cost basis of the asset to be “stepped up” to its fair market value (FMV) at the time of the decedent’s death.

Key Terms to Understand:

  • Basis: The original purchase price of an asset, used to calculate capital gains.
  • Fair Market Value (FMV): What the asset is worth on the open market at a given point in time.
  • Capital Gains Tax: The tax you pay on the profit when you sell an asset.

By stepping up the basis to the FMV at the date of death, any appreciation in value that occurred during the decedent’s lifetime is essentially excluded from capital gains tax.

How the Step-Up in Basis Works for Inherited Property

Let’s walk through a basic example to demonstrate how this rule works:

Imagine your mother purchased a home in 1990 for $100,000. Over the years, the value of the home appreciates to $500,000. If she sells the home before her death, she could face capital gains tax on the $400,000 profit (minus exemptions).

However, if you inherit the home upon her passing and the fair market value is $500,000 at that time, your new basis becomes $500,000. If you then sell the property shortly afterward for the same amount, you owe zero capital gains tax because there is no gain based on your adjusted basis.

Steps Involved:

  1. Determine the Fair Market Value of the asset at the date of death.
  2. Adjust the Basis of the inherited asset to this FMV.
  3. Calculate Future Capital Gains based on the new stepped-up basis.

This tax rule applies to a variety of assets including real estate, stocks, and other investments.

For more technical details on how basis is calculated, refer to IRS Publication 551, available via the Internal Revenue Service.

Key Tax Advantages of the Step-Up in Basis

The step-up in basis offers several important benefits to heirs and estate holders alike:

1. Reduced Capital Gains Tax

Heirs who sell inherited assets shortly after inheriting them often pay little to no capital gains tax, thanks to the stepped-up basis.

2. Simplified Tax Reporting

With the new basis set at the FMV, determining the tax liability at the time of sale becomes more straightforward.

3. Incentivizes Long-Term Holding

Because the step-up only applies at death, it encourages property holders to keep appreciated assets within the estate until death, rather than transferring them during their lifetime.

4. Maximizes Value to Beneficiaries

By minimizing tax obligations, more of the estate’s value is preserved for heirs.

These advantages make the step-up in basis a critical part of comprehensive estate planning. For more information on property taxation in New York, visit the New York State Department of Taxation and Finance, and for California, via the Franchise Tax Board.

Common Examples of Step-Up in Basis in Action

To further illustrate how the step-up in basis works, let’s explore a few common scenarios:

Real Estate Inheritance

  • A father buys a house for $200,000.
  • Upon his passing, the house is worth $800,000.
  • His daughter inherits the house, and her new basis is $800,000.
  • If she sells the house for $810,000, she only pays tax on the $10,000 gain.

Stock Portfolio Transfer

  • A man buys shares of a tech company for $10,000 in 2005.
  • The shares are worth $100,000 at the time of his death.
  • His son inherits the stock and sells it for $100,000 shortly after.
  • No capital gains tax is due.

Joint Tenancy with Right of Survivorship

  • In community property states or jointly owned assets, only a portion, or potentially all, of the property may receive a step-up in basis depending on how ownership is structured.

Understanding the implications in these nuanced scenarios requires the insight of an estate planning professional.

Why the Step-Up in Basis Matters in Estate Planning

The step-up in basis is a powerful estate planning tool that can significantly reduce the tax burden on your heirs. Incorporating this strategy can:

  • Increase the value of your estate passed on to loved ones.
  • Minimize post-death tax complications.
  • Encourage asset retention until death to maximize tax savings.

Failing to take advantage of the step-up in basis could lead to unnecessary taxes and reduced inheritance for your beneficiaries. Whether you’re preparing your own estate or managing one as a beneficiary, it’s essential to understand how this rule works and how to apply it.

Final Thoughts

The step-up in basis is more than just a tax break—it’s a strategic tool that can help families preserve wealth and minimize tax liabilities. From real estate to stock portfolios, understanding how the basis adjustment works is vital to making smart financial decisions after a loved one’s passing.

Even for frequent travelers, estate planning plays a role in avoiding costly mishaps on vacation.

Let Katzner Law Group Help You Plan Wisely

At Katzner Law Group, we help families across New York and California navigate the complexities of estate planning with personalized strategies that make the most of tax-saving tools like the step-up in basis. Whether you’re updating your estate plan or dealing with the inheritance of a loved one’s assets, our team is here to guide you every step of the way.

Visit our Contact Page or call 855-528-9637 to schedule a consultation today. Let us help you protect your legacy and ensure your family’s financial future.

 

Gabriel Katzner

In 2002, Gabriel Katzner, the founding partner of Katzner Law Group received his Juris Doctorate with honors from the Fordham University School of Law. After spending the first 7 years of his legal career
practicing at Cahill Gordon & Reindel LLP, an international law firm based in New York, he went on to found his own firm.

Gabriel Katzner has a track record, along with a vast number of outstanding public reviews across platforms, of working hard on behalf of individuals who need assistance with comprehensive
estate planning services. Finding a lawyer who is knowledgeable about revocable and irrevocable trust planning, guardianship for minor children, asset protection, trust administration and probate,
as well as Medi-Cal / Medicaid planning is extremely important.

Years of experience: More than 17 years
Locations: New York, NY / San Diego, CA

Frequently Asked Questions

When you pass, a will helps clarify who will get what so that your loved ones are not left to guess and argue over how things get processed. A will also designates the executor of your estate, so there should be no arguments in court about who should be in charge.

If you pass with minor children and their other parent is not alive or capable of caring for them, you can clarify which family member you would like to have guardianship in your will.

For higher-value estates, estate planning with related taxes in mind is a complex process. We can determine how to position your assets in special trusts or other mechanisms to ensure your family receives as much of your estate as possible.

You decide how your beneficiaries receive your assets, whether in a lump amount all at once through your will or in a structured way over time through a living trust.

When you pass, there is a person who is given the responsibility to distribute your assets in line with your wishes. If you do not identify someone in your will, you risk the courts assigning the task to someone you might not prefer.

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This page has been written, edited, and reviewed by a team of legal writers following our comprehensive editorial guidelines. Furthermore, it has received approval from attorney Gabriel Katzner, an experienced estate planning lawyer with over 17 years of legal expertise.

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