June 15, 2026

For many families, business owners, and high-net-worth individuals, one of the most valuable—but often misunderstood—tax concepts in estate planning is the step-up in basis. While discussions around wealth transfer often focus on estate taxes, the step-up in basis can have an equally significant impact on preserving family wealth by reducing future capital gains taxes.

Understanding how these rules work, where exceptions apply, and how they fit into a broader legacy strategy can help families make more informed planning decisions.

What Is a Step-Up in Basis?

The cost basis of an asset generally represents the amount originally paid for that asset, adjusted for certain factors over time. When an asset appreciates significantly during an owner’s lifetime, selling it can trigger substantial capital gains taxes.

Under current tax law, many assets included in a deceased person’s taxable estate receive a step-up in basis to their fair market value as of the date of death (or an alternate valuation date if elected).

Consider a simple example:

• A parent purchases stock for $100,000.
• At the time of death, the stock is worth $500,000.
• The heir inherits the stock with a new basis of $500,000.

If the heir immediately sells the stock for $500,000, there may be little or no capital gains tax due because the appreciation that occurred during the parent’s lifetime is effectively eliminated for income tax purposes.

This adjustment can create substantial tax savings for beneficiaries and preserve more wealth for future generations.

Assets Commonly Eligible for a Step-Up

A variety of assets may qualify for a basis adjustment upon death, including:

• Publicly traded securities
• Privately held business interests
• Real estate
• Investment properties
• Certain partnership and LLC interests
• Collectibles and other appreciated assets

For families with concentrated stock positions, investment real estate, or closely held businesses, the tax implications can be particularly meaningful.

Important Exceptions to Understand

While the step-up in basis can provide significant benefits, not all assets receive the same treatment.

Retirement Accounts

Traditional IRAs, 401(k)s, and other tax-deferred retirement accounts generally do not receive a step-up in basis. Beneficiaries who inherit these accounts may still owe income taxes on distributions according to applicable rules.

Income in Respect of a Decedent (IRD)

Certain assets classified as Income in Respect of a Decedent (IRD) do not qualify for a basis adjustment. Examples may include:

• Unpaid bonuses
• Deferred compensation
• Certain retirement plan assets
• Accrued interest income

These assets often retain their income tax characteristics when inherited.

Lifetime Gifts

Assets transferred during life typically carry over the donor’s original basis to the recipient.

For example:

• Parent purchases stock for $100,000.
• Parent gifts stock worth $500,000 to a child during life.
• Child generally receives the parent’s $100,000 basis.

If the child later sells the stock, capital gains taxes may be calculated using the original basis rather than the higher market value.

This distinction is one reason why gifting strategies should be evaluated carefully within a broader estate planning framework.

Community Property Considerations

In community property states, surviving spouses may receive a basis adjustment on both halves of certain community property assets upon the first spouse’s death. This treatment can create significant tax advantages compared to common law property states.

Because state laws vary, these situations often warrant specialized planning and professional guidance.

Strategic Planning Opportunities

The step-up in basis is more than a technical tax concept—it can influence broader wealth transfer decisions.

Families often evaluate questions such as:

• Should highly appreciated assets be retained rather than gifted?
• Which assets are best suited for charitable planning?
• How should business succession plans account for basis adjustments?
• What strategies may help balance estate tax concerns with income tax considerations?

The answers depend on a family’s unique financial circumstances, goals, and legacy objectives.

In some cases, efforts to reduce estate taxes through lifetime transfers may unintentionally forfeit valuable basis adjustments. Conversely, retaining certain assets until death may create more favorable income tax outcomes for heirs.

The most effective planning typically considers both estate tax and income tax implications together rather than focusing exclusively on one area.

Looking Beyond the Tax Savings

While tax efficiency is important, the ultimate goal of estate planning is often much broader: helping families transfer wealth, values, businesses, and opportunities to future generations.

A thoughtful strategy can help align legal structures, investment considerations, and family objectives while accounting for evolving tax laws and changing personal circumstances.

The step-up in basis remains one of the most powerful tools available under current law, but maximizing its potential requires careful coordination among legal, tax, and financial advisors.

The step-up in basis can significantly reduce future capital gains taxes and preserve wealth for heirs, making it an important consideration in estate and legacy planning. However, important exceptions and planning tradeoffs can affect outcomes.

Families, business owners, and individuals with appreciated assets may benefit from periodically reviewing their estate plans to ensure they reflect current goals, asset structures, and tax considerations.

At Omni 360 Advisors and Omni Legacy Law, we believe effective planning starts with education. Understanding concepts like the step-up in basis can help families make informed decisions and build strategies designed to support their long-term legacy goals.

This blog was developed with the assistance of AI-based tools for research, drafting and editing support (ChatGPT), and reviewed by OMNI 360 personnel for accuracy and relevance. The information provided is educational and general in nature and is not intended to be, nor should it be construed as, specific investment, tax, or legal advice.