A 1031 exchange is one of the most powerful wealth-building tools available to real estate investors: it lets you sell an appreciated property and reinvest the proceeds into other like-kind real estate while deferring the capital gains tax that would otherwise be due on the sale. The tax is not erased — it is postponed — and that postponement keeps your entire equity compounding instead of handing a third of your gain to the government. Used deliberately, and especially when combined with estate planning, a 1031 exchange can defer tax across an investor's entire lifetime. This guide walks through everything you need to understand before you start: what the exchange is, how the deferral works, the taxes it postpones, the rules and deadlines that govern it, the replacement options available, the different structures, and how to decide whether it fits your situation.
What Is a 1031 Exchange?
Named for Section 1031 of the Internal Revenue Code, a 1031 exchange — also called a "like-kind exchange" — allows the deferral of capital gains tax when investment or business real property is exchanged for other like-kind real property. Rather than selling, paying tax, and reinvesting what's left, you roll your equity and your deferred gain directly into the next property, keeping your full capital at work.
The provision is not a loophole or a recent invention. Like-kind exchange treatment has been part of the federal tax code since 1921, on the long-standing logic that an investor who simply continues their investment in real estate — without cashing out — has not realized the kind of gain that should trigger immediate tax. The investment continues in a different form, so the tax continues to be deferred.
One major change shapes the modern rules. Before 2018, Section 1031 applied to many kinds of property, including equipment, vehicles, artwork, and other personal property. The 2017 Tax Cuts and Jobs Act narrowed it to real property only, and the 2025 tax law (the One Big Beautiful Bill Act) made that framework permanent. Personal property and equipment no longer qualify — but the universe of investment real estate that does qualify remains very broad, which is the focus of the rest of this guide.
It's worth stating plainly what a 1031 exchange is not. It is not a way to take cash out of a property tax-free, it is not available for your personal residence, and it does not make the gain disappear during your lifetime unless you never sell. It is a deferral mechanism — a way to keep reinvesting pre-tax dollars in real estate.
How Tax Deferral Actually Works
The mechanics of deferral rest on one concept: carryover basis. Your cost basis — broadly, what you paid plus improvements, minus depreciation — does not reset when you exchange. Instead, it carries over from the relinquished property into the replacement property. Because your gain is the difference between value and basis, carrying the old (low) basis into the new property carries the deferred gain along with it.
Imagine you bought a rental years ago for $200,000, depreciated it down to a $120,000 adjusted basis, and it is now worth $500,000. Sell outright and you face tax on roughly $380,000 of gain (appreciation plus recaptured depreciation). Exchange instead, and your $120,000 basis carries into the replacement property; no gain is recognized today, and the full $500,000 of equity goes to work in the next property.
Crucially, deferral can become elimination. You can exchange repeatedly over a lifetime, each time deferring the accumulated gain, and if you still hold the final replacement property at death, your heirs generally receive a stepped-up basis equal to the property's fair-market value on that date. The deferred gain — potentially decades of it — can be wiped out entirely for the next generation. This is the logic behind the phrase "swap till you drop," covered later in this guide.
The Joint Committee on Taxation has estimated that like-kind exchanges defer on the order of several billion dollars of tax each year, a measure of how widely the strategy is used by real estate investors of every size — from a single rental owner to institutional portfolios.
A 1031 exchange doesn't make the tax disappear during your lifetime. It keeps your full, pre-tax equity compounding in real estate — and that compounding is the real prize.
Jerry BakerThe Four Taxes a 1031 Defers
When people say a 1031 exchange "defers capital gains," they understate it. A well-structured exchange can postpone up to four separate taxes at once. Understanding each one clarifies just how much is at stake — and why the strategy is especially valuable for long-held properties in high-tax states.
First, federal long-term capital gains tax applies to the appreciation portion of your gain at 0%, 15%, or 20% depending on your taxable income; most investment-property sellers land in the 15% or 20% bracket. Second, depreciation recapture taxes the portion of your gain attributable to depreciation deductions you took over the years — this is "unrecaptured Section 1250 gain," taxed at a maximum of 25%, often higher than the capital-gains rate, and frequently the single largest tax on a long-held rental. Third, the 3.8% net investment income tax (NIIT) applies to higher-income taxpayers on top of the other layers. Fourth, state capital gains tax varies enormously — zero in states like Texas and Florida, but over 13% at the top in California.
Stacked together, these can claim a quarter to well over a third of a gain. A 1031 exchange defers all four, leaving the entire amount invested.
| Tax | Typical Rate | Applies To |
|---|---|---|
| Federal long-term capital gains | 0/15/20% | The appreciation portion of your gain |
| Depreciation recapture (§1250) | Up to 25% | Gain from prior depreciation deductions |
| Net investment income tax (NIIT) | 3.8% | Higher-income taxpayers, on the gain |
| State capital gains tax | 0–13%+ | Varies by state of residence/property |
Exhibit 1 — The four taxes a fully structured 1031 exchange can defer. Educational summary; your rates depend on income, state, and depreciation history.
- A 1031 can defer four taxes at once: federal capital gains, depreciation recapture, NIIT, and state tax.
- Depreciation recapture (up to 25%) is often the biggest tax on a long-held rental.
- In high-tax states the combined rate can exceed a third of the gain — all deferred by exchanging.
The Core Rules You Must Follow
A 1031 exchange is generous, but it is strict. Four substantive requirements govern whether your exchange qualifies and whether the deferral is complete. Miss the procedural deadlines (covered next) and the exchange can fail entirely; miss the value rules and part of your gain becomes taxable.
The like-kind requirement means both the relinquished and replacement properties must be U.S. real property held for investment or business use. For real estate this is broad — an apartment building is like-kind to raw land, a net-lease store, farmland, or a Delaware Statutory Trust interest. Property held primarily for sale (dealer inventory) and personal-use property do not qualify.
The same-taxpayer rule requires that the taxpayer who sells the relinquished property is the same taxpayer who acquires the replacement. The name on title — or the tax-disregarded entity behind it — must match, which is why partnership and LLC situations require careful planning.
The equal-or-greater-value rule is what separates full deferral from partial. To defer the entire gain you must acquire replacement property of equal or greater value, reinvest all of your net equity, and replace any debt that was paid off. Any shortfall becomes taxable "boot," discussed below.
| Requirement | Rule | Why It Matters |
|---|---|---|
| Like-kind property | Real for real | Both sides must be U.S. investment real property |
| Same taxpayer | Title must match | The seller and buyer must be the same taxpayer |
| Equal-or-greater value | To fully defer | Reinvest all equity and replace debt |
| Qualified intermediary | Required | You cannot take receipt of the proceeds |
Exhibit 2 — The core substantive requirements of a valid 1031 exchange.
The 45-Day and 180-Day Deadlines
The procedural heart of a 1031 exchange is its timeline, and almost every failed exchange dies on the calendar. Two deadlines begin the moment your relinquished property's sale closes, and they run concurrently — not back to back.
Within 45 days you must identify your replacement property in writing, in a notice signed and delivered to your qualified intermediary. This is the deadline most exchanges fail, because sourcing and committing to a property in just over six weeks is genuinely hard. You may identify under one of three rules: the 3-property rule (up to three properties of any value), the 200% rule (more than three, as long as their combined value stays within 200% of what you sold), or the rarely used 95% exception (any number, if you actually acquire at least 95% of the identified value).
Within 180 days of the sale you must close on the identified replacement property. There is a trap here: the actual deadline is the earlier of 180 days or your tax-return due date (including extensions) for the year of the sale. If you sell late in the year, file an extension so your return doesn't come due before day 180 and cost you time.
These deadlines are counted in calendar days, including weekends and holidays, and they cannot be extended on request (the IRS occasionally grants postponements for federally declared disasters, but you should never count on it). The most reliable insurance against the clock is to pre-identify a fast-closing Delaware Statutory Trust as a backup — it can close in days if your primary deal slips.
- 45 days to identify in writing, 180 days to close — both run from your sale closing.
- Identify under the 3-property, 200%, or 95% rule; a DST backup protects the deadline.
- A tax-return due date can shorten the 180 days — file an extension to keep them all.
The Qualified Intermediary's Role
You cannot run a deferred 1031 exchange yourself, because you are not allowed to touch the money. A qualified intermediary (QI) — sometimes called an accommodator — is required to hold the sale proceeds between the sale of the relinquished property and the purchase of the replacement. This is the single mechanical condition that keeps the exchange valid.
The reason is the doctrine of constructive receipt. If you have actual or even constructive access to or control over the proceeds — if the money hits your account, or you could draw on it — the IRS treats you as having received the cash, and the exchange fails. The QI exists precisely to keep the funds out of your control, holding them in a segregated account and disbursing them directly to acquire the replacement property.
Because the QI holds your entire proceeds and the industry is lightly regulated at the federal level, choosing a financially strong, well-controlled QI matters enormously. Look for segregated qualified accounts, dual-authorization controls on fund movement, fidelity bonding, and errors-and-omissions insurance sized to your transaction. Engage the QI before your sale closes — engaging one after you've received the proceeds is the most common fatal mistake in the entire process.
Understanding Boot (and How to Avoid It)
You can do almost everything right and still owe tax on part of your exchange. That taxable portion is called boot — any value you receive that isn't like-kind real property. Boot doesn't disqualify the exchange; it simply remains taxable, up to the amount of your gain.
There are two kinds. Cash boot is net sale equity you don't reinvest — money you keep. Mortgage boot is more subtle: it's debt relief, the amount by which the debt you paid off on the relinquished property exceeds the debt you take on (or cash you add) on the replacement. Investors routinely remember to reinvest their equity but forget that they must also replace their debt.
A worked example makes it concrete. Suppose you sell a property for $600,000 with a $200,000 mortgage, leaving $400,000 of equity. If you buy a $500,000 replacement with a $100,000 loan, you've kept $100,000 in cash (cash boot) and failed to replace $100,000 of debt (mortgage boot) — roughly $200,000 of taxable boot inside an otherwise valid exchange. Buy a $600,000 replacement with a $200,000 loan instead, reinvesting all your equity and replacing all your debt, and you have zero boot and full deferral.
The cleanest way to avoid mortgage boot when you don't want to personally qualify for a new loan is a leveraged Delaware Statutory Trust, which carries pre-arranged, non-recourse debt at the trust level — your interest comes with its share of that debt, replacing your old leverage automatically.
Replacement Property Options
One of the underappreciated freedoms of a 1031 exchange is choice. Your replacement property does not have to be another building you manage — and for many investors, the exchange is precisely the moment they trade active landlording for something more passive. The like-kind universe spans virtually all U.S. investment real estate, and the practical options trade control, effort, and risk differently.
Fee-simple whole ownership gives maximum control and upside but full management responsibility and single-asset concentration. Net-lease (NNN) property — a single tenant on a long lease who pays taxes, insurance, and maintenance — offers hands-off income, with single-tenant concentration as the trade-off. Tenants-in-common (TIC) and Delaware Statutory Trust (DST) interests provide fractional ownership of larger, institutional properties: passive, diversified, and fast-closing. DSTs are the more common modern choice and are treated as direct real-property ownership for 1031 purposes under Rev. Rul. 2004-86. Even oil and gas mineral and royalty interests qualify, because perpetual royalties are real property — adding higher, depletion-sheltered income with commodity-price risk.
Most exchangers find that the right answer is a blend chosen to fit their goals: control versus convenience, income versus growth, concentration versus diversification.
| Option | Management | Diversification |
|---|---|---|
| Fee-simple (whole) | Active | Single asset |
| Net-lease (NNN) | Low | Single tenant |
| DST / TIC fractional | Passive | Often diversified |
| Oil & gas royalties | Passive | Commodity-linked |
Exhibit 3 — Common 1031 replacement options compared. Each carries distinct risks; confirm suitability before investing.
The Types of 1031 Exchange
Not every exchange follows the same sequence. The structure you use depends on timing and circumstance, and four variants cover almost all situations.
The delayed (forward) exchange is by far the most common: you sell first, the QI holds the proceeds, and you acquire the replacement within the 45/180-day windows. This is what most people mean by a 1031 exchange.
A reverse exchange flips the order — you acquire the replacement before selling the relinquished property — using an exchange accommodation titleholder to temporarily "park" one property under the IRS safe harbor in Rev. Proc. 2000-37. It's useful in competitive markets but more expensive and capital-intensive. An improvement (construction) exchange lets you use exchange funds to build or renovate the replacement, with all value-adding work completed within the 180-day window. Finally, a simultaneous exchange closes both legs on the same day — historically the original form, now rare because the delayed structure is more practical.
Each variant follows the same core rules; they differ only in sequencing and in the extra machinery (and cost) required to make the timing work.
The 'Swap Till You Drop' Estate Strategy
The full power of the 1031 exchange shows up only when you connect it to estate planning. Because each exchange defers the accumulated gain, an investor can exchange repeatedly across a lifetime — trading up, diversifying, moving from active to passive — without ever paying the deferred tax.
The capstone is the step-up in basis at death. When you die still holding the final replacement property, your heirs generally take a basis equal to the property's fair-market value on the date of death. The deferred gain that built up across decades of exchanges is effectively eliminated for them; they could sell shortly after inheriting with little or no taxable gain. Deferral becomes permanent.
This is why a 1031 strategy is often coordinated with a move into passive, easily divisible replacement property late in life — for example DST interests, which heirs can split far more cleanly than a single building, or a 721 UPREIT contribution that converts property into REIT operating-partnership units. These decisions sit at the intersection of tax, estate, and investment planning, and they belong with your CPA and estate attorney, not a single advisor acting alone.
- Repeated exchanges defer gain across a lifetime; a step-up at death can eliminate it for heirs.
- Passive, divisible replacement property (like DSTs) eases estate division.
- Coordinate the strategy with your CPA and estate attorney — it spans tax, estate, and investment planning.
Common Mistakes and How to Avoid Them
Most failed or partly taxable exchanges trace to the same short list of errors, and every one is avoidable with planning. Knowing them in advance is the cheapest insurance you can buy.
The classic mistakes are: closing the sale before engaging a qualified intermediary (constructive receipt, which ends the exchange); failing to identify in writing within 45 days; taking unplanned boot by keeping cash or not replacing debt; writing vague or improperly delivered identifications; assuming an interest qualifies when it doesn't; and going it alone without a CPA or experienced advisor.
The remedies are equally consistent. Engage the QI before you sell. Start your replacement search before closing and pre-identify a fast-closing DST backup. Plan the value-and-debt math up front so you reinvest all equity and replace your leverage. Deliver clear, signed identifications to the QI by day 45. And assemble your team — QI, CPA, and advisor — early, because their combined fees are trivial next to the tax at stake.
Is a 1031 Exchange Right for You?
A 1031 exchange is a tool, not a goal, and it isn't right for everyone. It makes the most sense when you have meaningful embedded gain, you want to stay invested in real estate, and you have a clear use for the deferral — diversification, a shift to passive income, trading up, or estate planning. The larger your gain and the higher your tax state, the more compelling the math.
It makes less sense when your basis is already high (little gain to defer), when you genuinely need the cash from the sale, or when you can't find suitable replacement property you'd actually want to own. An exchange should never push you into a bad investment just to defer tax — the replacement property has to stand on its own merits.
If an exchange does fit, the path forward is straightforward: estimate your deferred tax, engage a qualified intermediary before you sell, loop in your CPA, and begin lining up replacement options — including a passive DST backup — so you're ready the day the clock starts. An independent, sponsor-agnostic advisor can surface replacement options across the market that fit your dollar amount, debt, and goals, and can coordinate the moving parts so the deadlines never catch you off guard. The exchange rewards preparation above all else; the investors who plan early are the ones who defer the full gain.
Frequently Asked Questions
What is a 1031 exchange in simple terms?
It's a tax-deferral strategy that lets you sell investment real estate and reinvest the proceeds into other like-kind real estate without paying capital gains tax at the time of sale. The tax is deferred rather than eliminated, your cost basis carries over into the replacement property, and you can repeat exchanges over a lifetime to keep deferring.
What are the main rules of a 1031 exchange?
Both properties must be like-kind U.S. investment real estate held by the same taxpayer; you must use a qualified intermediary to hold the proceeds; you must identify replacement property in writing within 45 days and close within 180 days; and to fully defer the gain you must acquire property of equal or greater value with all equity reinvested and any debt replaced.
Is a 1031 exchange still allowed in 2026?
Yes. Section 1031 remains fully available for real property in 2026. The 2025 One Big Beautiful Bill Act made the Tax Cuts and Jobs Act framework permanent, and no legislation limiting or eliminating 1031 exchanges has passed. The 2017 limitation to real property (excluding personal property and equipment) remains in effect.
Does a 1031 exchange eliminate capital gains tax?
No — it defers the tax. Your basis carries into the replacement property and gain is recognized on a future taxable sale. However, if you keep exchanging and hold the final property until death, a step-up in basis can eliminate the deferred gain for your heirs entirely.
How much tax does a 1031 exchange defer?
Potentially four taxes: federal capital gains (0/15/20%), depreciation recapture (up to 25%), the 3.8% net investment income tax, and state capital gains tax (0% to over 13%). Combined, the effective rate can exceed a third of the gain in a high-tax state, all of which a fully structured exchange defers.
What is 'boot' in a 1031 exchange?
Boot is any non-like-kind value you receive — typically cash you keep (cash boot) or debt you don't replace (mortgage boot). Boot is taxable up to the amount of your gain, even within an otherwise valid exchange. To avoid it, reinvest all your equity, acquire equal-or-greater value, and replace all the debt you paid off.
How long do I have to complete a 1031 exchange?
45 days from the sale to identify replacement property in writing, and 180 days to close — or your tax-return due date including extensions, if earlier. Both deadlines run from your closing date, are counted in calendar days, and cannot be extended on request.
Do I need a qualified intermediary?
Yes. A qualified intermediary must hold the sale proceeds so you never take actual or constructive receipt of the funds, which would disqualify the exchange. You must engage the QI before your relinquished property closes.
Can I exchange into a DST?
Yes. A Delaware Statutory Trust interest qualifies as like-kind replacement property under Rev. Rul. 2004-86 and is treated as direct ownership of the underlying real estate. DSTs are passive, can close in days (making them a reliable 45-day backup), and can replace debt without you personally qualifying for a loan. They are sold only to accredited investors via private placement memorandum.
Can I do a 1031 exchange on my primary residence?
No. A primary residence is personal-use property and doesn't qualify. The relevant tax break for a home is the Section 121 exclusion (up to $250,000 of gain, or $500,000 for married couples). In some cases a former residence converted to a rental can become 1031-eligible, and 121 and 1031 can be combined with careful planning.
What types of 1031 exchange are there?
The delayed (forward) exchange (sell first, then buy — the most common), the reverse exchange (buy first, using a parking structure under Rev. Proc. 2000-37), the improvement/construction exchange (use exchange funds to build or renovate within 180 days), and the simultaneous exchange (both legs close the same day, now rare).
Is a 1031 exchange worth it?
It depends on your situation. It's most worthwhile when you have meaningful gain, want to stay invested in real estate, and have a clear use for the deferral — and less so when your basis is high, you need the cash, or you can't find replacement property worth owning. The replacement should stand on its own merits, not just defer tax.
Glossary
- 1031 Exchange
- A like-kind exchange under IRC Section 1031 that defers capital gains tax when investment or business real property is exchanged for other like-kind real property.
- Like-Kind Property
- For Section 1031 after 2017, U.S. real property held for investment or business use. Most real estate is like-kind to most other real estate, regardless of type or grade.
- Qualified Intermediary (QI)
- An independent party (also called an accommodator) that holds exchange proceeds and documents the transaction so the taxpayer avoids constructive receipt.
- Constructive Receipt
- Having access to or control over the sale proceeds, which disqualifies the exchange even without physically taking the cash.
- Carryover Basis
- The relinquished property's adjusted basis carried into the replacement property, preserving the deferred gain.
- Adjusted Basis
- Your tax investment in the property — cost plus improvements minus depreciation.
- Boot
- Cash or non-like-kind value received in an exchange, including unreplaced debt; taxable up to the amount of the gain.
- Cash Boot
- Sale equity not reinvested into the replacement property.
- Mortgage Boot
- Debt relief not offset by new debt or additional cash; taxable.
- Depreciation Recapture
- Gain attributable to prior depreciation, taxed up to 25% (unrecaptured Section 1250 gain) on a sale; deferred in a 1031.
- 45-Day Identification Period
- The window from closing to identify replacement property in writing to the QI.
- 180-Day Exchange Period
- The window from closing to acquire the identified replacement property.
- Delaware Statutory Trust (DST)
- A trust issuing fractional, passive real-property interests usable as 1031 replacement property; treated as direct ownership under Rev. Rul. 2004-86.
- Step-Up in Basis
- The reset of an asset's basis to fair-market value at death, which can eliminate deferred gain for heirs.
- Same Taxpayer Rule
- The requirement that the taxpayer selling the relinquished property is the one acquiring the replacement.
Sources & References
- Internal Revenue Code. 26 U.S.C. §1031 — Exchange of real property held for productive use or investment (incl. the 45/180-day identification and exchange periods at §1031(a)(3) and the taxable-boot rule at §1031(b)).
- Treasury Regulations. Treas. Reg. §1.1031(k)-1 — Treatment of deferred exchanges (qualified-intermediary safe harbor and the identification/receipt rules).
- IRS. About Form 8824, Like-Kind Exchanges (the form on which an exchange is reported).
- IRS. Rev. Rul. 2004-86 (a Delaware Statutory Trust interest is treated as a direct interest in real property eligible for §1031 exchange).
- Baker 1031 Investments. Baker 1031 Data Center — our proprietary dataset of realized, full-cycle DST and 1031 replacement-property results, used to underwrite replacement options.
- IRS. Like-Kind Exchanges — Real Property (final regulations)
- IPX1031. 1031 Like-Kind Exchange Tax Reform Updates (intact under 7/4/25 law)
- Accruit. 1031 Exchange Reporting, Deadlines, and the Impact of H.R.1
- JTC Group. 1031 and Real Estate: Answers to Common Questions
- Baker 1031 Investments. What is a 1031 Exchange? (Learning Center)
Explore the 1031 exchange strategy
This guide is the hub of our 1031 exchange library. Use the in-depth articles below to go deeper on the deadlines, the math, and the moving parts of a successful exchange:
- The 1031 Exchange Process, Step by Step
- 1031 Exchange Rules: The Requirements You Must Follow
- 1031 Exchange Timeline: The 45-Day and 180-Day Deadlines Explained
- 1031 Identification Rules: The 3-Property, 200% and 95% Rules
- What Is ‘Boot’ in a 1031 Exchange (and How to Avoid It)?
- What Is a Qualified Intermediary (QI)?
- Like-Kind Property: What Qualifies for a 1031?
- Reverse 1031 Exchange: How to Buy Before You Sell
- 1031 Exchange Into a DST: The Passive Option
- Common 1031 Exchange Mistakes to Avoid
- How Much Tax Does a 1031 Exchange Defer?
- 1031 Exchange and Step-Up in Basis at Death
Disclosures
This article is published by Baker 1031 Investments, LLC for general educational purposes for accredited investors and is not an offer to sell or a solicitation of an offer to buy any security, nor is it tax, legal, accounting, or investment advice or a recommendation. Any securities offering is made solely through a sponsor’s private placement memorandum (PPM) following a suitability determination. Securities offered through Aurora Securities, Inc. (ASI), member FINRA / SIPC; Baker 1031 Investments is independent of ASI.
Oil & gas mineral and royalty interests and DST programs are speculative, illiquid securities sold only to verified accredited investors and involve substantial risk, including possible loss of principal, commodity-price and production-decline risk, lack of control, and the risk that an intended 1031 exchange fails to qualify for tax deferral. Whether a particular interest qualifies as like-kind real property is a fact-specific legal determination that varies by state and by the terms of the instrument. Tax results depend on your individual circumstances. Consult your own CPA and attorney before acting. Past performance does not guarantee future results.