Leaving Appreciated Stock to Heirs Can Wipe Out a Large Capital Gains Tax Bill
Federal tax law treats selling appreciated stock during life differently from transferring it at death. Inherited stock generally receives a basis equal to its value on the date of death, which can erase capital gains tax on decades of growth for heirs. For a $400,000 position with a $100,000 basis, selling it could trigger a $52,600 federal tax bill, while leaving it to heirs may eliminate that bill.
Under federal rules, property inherited at death usually starts with a fresh value equal to its worth on the death date. That reset can remove tax on years of appreciation. In the example, a $400,000 holding bought for $100,000 would create a $300,000 gain if sold.
For a married couple in 2026, the calculation includes a $32,200 standard deduction, 15% long-term capital gains rate, and 3.8% net investment income tax. The lifetime sale produces a $52,600 federal bill; inheritance can make it zero if heirs sell near that value.
This rule may shape retirement and estate decisions for older investors and their families. Heirs could avoid capital gains tax on appreciated shares, while lifetime sales may generate revenue. Families with large taxable brokerage gains may benefit most; those relying on traditional IRAs may face ordinary income tax. The difference could influence which assets people spend first and how wealth transfers across generations.