An owner sitting on a heavily appreciated, heavily depreciated California property faces a real fork: keep exchanging to defer tax indefinitely, or stop and let the property pass to heirs at death, when its basis generally resets to fair market value under IRC Section 1014. That reset, commonly called step-up in basis, can erase decades of deferred gain and recapture for the heirs, which is why the combination of repeated exchanges followed by holding until death is sometimes called swap-till-you-drop.
The strategy is not automatic and it is not free of tradeoffs. It requires the owner to keep exchanging rather than ever taking a taxable cash sale, it depends on estate tax exposure staying manageable at the federal and any applicable state level, and for married California owners holding property as community property, the step-up can apply to the entire property rather than just the deceased spouse's half. None of this replaces individualized advice from an estate attorney and a CPA, since the right answer depends on family structure, other assets, and how the property is titled.
Under IRC Section 1014, property included in a decedent's estate generally takes a new basis equal to its fair market value on the date of death, or an alternate valuation date if the estate elects it. This applies regardless of how low the decedent's basis had fallen through depreciation deductions and deferred gain carried forward from prior exchanges. IRS Publication 551 covers how basis is established for inherited property.
The practical effect for an heir is that decades of unrecaptured Section 1250 gain and deferred capital gain, gain the original owner never paid tax on because of repeated exchanges, is simply not inherited along with the property. If the heir sells shortly after inheriting at close to the stepped-up value, there may be little or no capital gain to report at all, subject to selling costs and any change in value since death.
Selling a heavily depreciated property outright during life triggers both the capital gain and the recapture in one taxable event. Continuing to exchange keeps deferring that liability, and if the owner never sells outright before death, the deferred amount is effectively never taxed to the owner or the owner's estate on an income tax basis, only the stepped-up basis carries forward.
This only works if every subsequent transaction is itself a qualifying exchange. A single outright sale late in life, even one intended to simplify the estate, converts decades of deferred gain into an immediate taxable event. Owners considering this path need a plan for who manages the property and continues the exchange strategy if they become unable to do so themselves.
For married California owners who hold real estate as community property, federal law under IRC Section 1014(b)(6) allows both halves of the property, the surviving spouse's half as well as the decedent's half, to receive a stepped-up basis when the first spouse dies, not just the deceased spouse's interest. This differs from the treatment of jointly held property in most non-community-property states, where typically only the decedent's half receives a step-up.
Whether a given property actually qualifies as community property, versus separate property or some other form of title, depends on how and when it was acquired and how title has been held, which is a question for an estate attorney to confirm rather than assume. Misclassified title can mean the anticipated double step-up does not apply.
A stepped-up basis reduces the income tax an heir would otherwise owe on a later sale, but it says nothing about federal estate tax, which applies separately to estates above the applicable exclusion amount. An owner with a large real estate portfolio needs to coordinate the swap-till-you-drop approach with overall estate tax planning, since a large embedded step-up benefit does not offset a separate estate tax liability if the estate exceeds the exclusion.
Liquidity is also a practical constraint. Heirs who inherit real estate with a fresh basis but no cash may still need to sell, refinance, or exchange the property to cover estate settlement costs, and the timing of that decision affects whether the stepped-up basis is preserved or partly consumed by transaction costs.
An older owner who wants to keep the exchange chain alive but no longer wants to manage tenants, leases, or capital repairs directly sometimes considers a Delaware statutory trust interest as replacement property in a later exchange, since it offers professionally managed real estate ownership without day-to-day landlord duties. That interest is still subject to the same step-up mechanics at death as any other real property interest, but the decision to use one should rest on the specific offering's terms and risks, not on the estate benefit alone.
Before committing to swap-till-you-drop as a plan rather than a description of what happened to work out, an owner should sit down with an estate attorney and CPA to confirm how title is held, what the current estate tax exposure looks like, and whether heirs are prepared to manage or sell what they eventually receive.
