He’s Swapped One Rental for Another Three Times Since 1994 and Never Paid a Dollar of Capital-Gains Tax. If He Still Owns the Last One the Day He Dies, Nobody Ever Will

Chaining 1031 exchanges defers capital gains indefinitely, and Section 1014's stepped-up basis permanently erases all deferred tax when the owner dies.

Replacement property must be identified within 45 days and closed within 180, and missing either deadline makes the full accumulated gain immediately taxable.

Any ordinary sale detonates all accumulated deferred gains in a single tax year, effectively trapping serial exchangers as landlords for life.

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If you own a rental property with a stack of appreciation you never want to hand to the IRS, Section 1031 of the tax code has a door most landlords never walk through. A like-kind exchange lets you sell one investment property and roll the entire proceeds into another without recognizing gain in that tax year. Do it repeatedly, hold the last property until you die, and your heirs may owe zero federal income tax on decades of appreciation. The nickname for that combination is "swap till you drop," and it lives in current law.

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Let us walk through an example with clear assumptions. Imagine buying a small duplex back in 1994 for $150,000. In 2004, you exchanged it for a fourplex worth $400,000. In 2013, you traded up again to an apartment building valued at $900,000. Then, in 2022, you rolled that into a mixed-use property worth $2 million. Three like-kind exchanges, one investor, and not a dime of capital gains tax paid along the way. The tax code calls that a deferral because the gain was postponed, not erased. Each swap carried your original cost basis forward, which is what you originally paid, adjusted for improvements and depreciation. By 2026, you could be sitting on a $2 million property whose basis is still tied to that 1994 duplex.

The exchange mechanic lives in Internal Revenue Code Section 1031. The payoff at death is in Section 1014, which gives heirs a stepped-up basis equal to the property's fair market value on the date of death. In plain English, your children inherit the building as if they bought it for $2 million the day you died. Every dollar of deferred gain from every prior exchange disappears for income tax purposes. So does the depreciation recapture, the tax normally owed on all those annual depreciation deductions a landlord claims. Unrecaptured Section 1250 gain is taxed at a federal rate of up to 25% on an ordinary sale, and exchanges defer it right along with the capital gain. The step-up at death wipes both away.