Quick answer: Stepped-up basis (IRC § 1014) resets the tax cost basis of inherited assets to their fair market value at the date of death — eliminating embedded capital gains. If your parents bought land for $50,000 in 1970 and it's worth $2 million today, your inherited basis is $2 million. Sell it immediately for $2 million: zero capital gains tax. That's the full $1.95 million of appreciation escaping the capital gains tax entirely.
Why This Is One of the Most Valuable Tax Benefits in Existence
Without stepped-up basis, every dollar of appreciation accumulated over a lifetime would be subject to capital gains tax when an heir eventually sells. At the 20% long-term capital gains rate (plus the 3.8% net investment income tax for higher earners), a $2 million gain becomes a $475,000+ tax bill — before state taxes. Stepped-up basis eliminates that bill entirely at death. For families holding appreciated ranch land, farm equipment, or long-held stock, this provision can save millions.
What Gets a Step-Up (and What Doesn't)
- Gets a step-up: assets held in a decedent's personal estate — real estate, individual stocks, brokerage accounts, art, jewelry
- Texas community property step-up: both halves of community property get a full step-up at the first spouse's death — a significant advantage over common-law states where only the deceased spouse's half is stepped up
- No step-up: assets in IRAs and 401(k)s (tax-deferred; heirs pay ordinary income tax on withdrawals), assets given away during life (carry-over basis), and assets in irrevocable trusts that were gifted away more than 3 years before death
Planning Implication: Don't Gift Appreciated Assets
Gifting highly appreciated property during your lifetime forfeits the step-up your heir would have received at your death. A gift carries your original low cost basis — the recipient inherits the embedded gain. For land or stock with massive appreciation, it's often far better to hold until death and let heirs receive the stepped-up basis than to give it away and trigger a future taxable sale. Always review basis consequences with a CPA before gifting appreciated assets.
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Kyle Ellison is a licensed financial professional in TX, CA, NV, MT, UT, NM helping families protect and pass on what they've built.