Death and the 1031

There is a phrase 1031 professionals and estate planners both use, from opposite ends of the same strategy: swap until you drop. It is the capstone of everything in this pillar, and it is not a loophole or a gimmick. It is the fully legal, IRS-sanctioned combination of two provisions, the 1031 exchange and the step-up in basis, that lets a real estate investor build enormous wealth and pass it to their heirs having never paid capital gains tax on any of it. Understanding how the pieces lock together is the point of the whole pillar.

The strategy in one arc

Here is the entire plan. Over your investing life, you buy real estate, and every time you want to sell and move up, you use a 1031 exchange instead of selling. You trade a small rental for a bigger one, then for an apartment building, then for a commercial portfolio, deferring the gain and depreciation recapture at every step. Along the way you depreciate aggressively, running cost-segregation studies to accelerate deductions, which shelters your income but piles up deferred recapture in the carryover basis.

You never sell outright, so you never pay the tax. The deferred liability grows with each exchange, larger and larger, a debt to the IRS that keeps getting pushed forward. Then you die. And the step-up in basis resets your heirs’ basis to the property’s market value at your death. The entire accumulated liability, decades of deferred gain and recapture across every property in the chain, is erased. Your heirs can sell the day after they inherit and owe no federal income tax. You legally never paid, and neither do they.

Swap until you drop: exchange through a lifetime of properties to defer all tax, depreciate aggressively along the way, and let the step-up at death erase the entire accumulated liability for your heirs.

Why it is deferral turned into avoidance

The elegance is that each piece covers the other’s weakness. A 1031 exchange only defers, never forgives, so on its own it just postpones a tax that eventually comes due when you sell. The step-up only helps property you still hold at death, so on its own it cannot help a property you sold and paid tax on years earlier. Put them together and the 1031 keeps you from ever triggering the tax while you are alive, and the step-up forgives it when you die. Neither works this well alone; together they turn a lifetime of deferral into permanent avoidance.

And the more aggressively you deferred, the more the step-up erases. An investor who cost-segregated hard and exchanged repeatedly builds up the largest deferred liability, and therefore gets the largest forgiveness at death. The strategy rewards exactly the aggressive depreciation and serial exchanging that this whole tax section describes.

The 1031 covers the step-up’s weakness by never triggering tax while you live; the step-up covers the 1031’s weakness by forgiving the deferred tax at death; together they are avoidance, not just deferral.

The catches worth planning around

Two things need managing for the plan to hold. First, estate tax. The step-up erases income tax, but an estate above the $15 million per person exemption (2026, permanent) can owe 40% estate tax, so very large estates need the gifting and trust planning covered in the estate planning material to manage that separate tax. For most investors the estate is under the exemption and this is not a concern. Second, the plan requires actually holding until death, which means it constrains your liquidity, your equity is locked in real estate you cannot sell without breaking the chain and triggering the tax you spent a life deferring. There are ways to pull cash without selling, a refinance after an exchange lets you access equity tax-free, but the core discipline is to not sell.

The bottom line

• Swap until you drop combines a lifetime of 1031 exchanges with the step-up at death.
• Exchanging defers all gain and recapture while you live; you never sell, so you never pay.
• The step-up at death erases the entire accumulated deferred liability for your heirs.
• The more aggressively you depreciate and exchange, the more the step-up ultimately forgives.
• The catches are estate tax on large estates and the liquidity cost of never selling.

For the mechanic that forgives it all, read step-up in basis. For managing estate tax, see estate planning with LLCs. For the full picture, start at the 1031 exchanges and exit planning hub.

Last verified August 2026.