How the IRS Treats a 1031 Exchange

This article is provided for educational and informational purposes only. It does not constitute legal, financial, or tax advice, and no attorney-client relationship is formed by reading it. Laws, regulations, official guidance, and related information vary by jurisdiction, change frequently, and may have changed or become outdated since the publication date. Always verify current information with authoritative sources and consult a qualified professional about your specific circumstances. The author and publisher assume no liability for actions taken based on this information.

A 1031 exchange is a federal rule for exchanging qualifying real estate

Section 1031 of the Internal Revenue Code creates an exception to the usual rule that gain or loss is recognized when property is sold or exchanged. When its requirements are met, qualifying real property can be exchanged for like-kind real property without recognizing the gain or loss at that time.

The result is generally tax deferral, not a permanent exclusion. The replacement property normally receives a basis connected to the basis of the relinquished property, so the unrecognized gain remains part of the property’s tax history.

The IRS administers this federal tax rule, while the statute and Treasury regulations establish the controlling framework. IRS publications, tax tips, and Form 8824 instructions explain how that framework is reported and applied in common transactions.

Only real property held for business or investment can qualify

For exchanges beginning after December 31, 2017, Section 1031 is limited to real property. Before that change, some exchanges of personal or intangible property could qualify, which is why older explanations of machinery, vehicles, artwork, or similar assets may no longer describe current federal law.

The exchanged real estate must be held for productive use in a trade or business or for investment. Real property held primarily for sale is excluded, so inventory-like property acquired mainly for resale occupies a different category from property held to produce income or appreciate as an investment.

A home used solely as a personal residence generally does not meet the business-or-investment requirement. Mixed-use property and a home that was previously or later used for business or investment can involve additional rules, including the separate principal-residence provisions of Section 121.

The federal definition of real property includes land and improvements to land, and the regulations address certain structural components, natural products, and qualifying intangible interests tied to real property. Whether a less familiar asset counts as real property can therefore depend on the regulatory definition rather than its everyday label.

“Like kind” is broader for real estate than the phrase may sound

For real property, like kind refers to the property’s nature or character rather than its grade or quality. Improved real estate can generally be like kind to unimproved real estate, and different business or investment uses do not automatically prevent the properties from being like kind.

The rule still has geographic and property-type boundaries. Real property located in the United States is not like kind to real property located outside the United States, and interests excluded by the statute or regulations do not become eligible merely because they are connected to an investment.

This is why “swap the same type of building” is too narrow as a description, while “any property can be exchanged” is too broad. The federal inquiry begins with whether both sides are qualifying real property held for an eligible purpose.

An exchange is not simply a sale followed by another purchase

Section 1031 requires an exchange of property for property. The deferred-exchange regulations distinguish that arrangement from a transfer for money followed by an ordinary purchase, even if the later property is otherwise like kind.

Many deferred exchanges use a qualified intermediary, often shortened to QI, to hold the proceeds and transfer the replacement property under a written exchange agreement. Federal regulations provide a safe harbor that can prevent the intermediary arrangement from being treated as the taxpayer’s actual or constructive receipt of the money when the regulatory conditions are satisfied.

A qualified intermediary is not a government decision-maker and does not approve an exchange for the IRS. The federal tax result still depends on the transaction satisfying the statute, regulations, deadlines, property requirements, and reporting rules.

The 45-day and 180-day periods measure different steps

In a deferred exchange, the replacement property must generally be identified in writing no later than 45 days after the relinquished property is transferred. The identification must describe the replacement property clearly and be delivered to a permitted person involved in the exchange within that period.

Receiving the replacement property has a separate deadline. The exchange period ends on the earlier of 180 days after the transfer of the relinquished property or the due date, including extensions, of the federal income-tax return for the year of that transfer.

The two periods run from the transfer of the relinquished property; they are not normally added together to create 225 days. The statute and regulations also contain detailed rules for identifying multiple properties, revoking an identification, property under construction, and disaster-related deadline relief.

Cash and other property can make part of the gain currently recognizable

An exchange does not have to consist solely of like-kind real property, but receiving money or non-like-kind property changes the federal result. Section 1031 generally recognizes gain up to the amount of money and the fair market value of other nonqualifying property received, while the qualifying real-property portion may remain eligible for nonrecognition.

This additional consideration is often called “boot” in tax discussions, although that word does not appear in the statutory heading. Debt assumed or relieved in the transaction can also affect the computation under the federal rules.

A transaction can therefore qualify in part without producing complete deferral. The recognized amount, realized gain, liabilities, exchange expenses, and basis calculations are related but distinct figures.

Carryover basis is what preserves the deferred gain

Basis is the federal tax measurement used to calculate gain, loss, depreciation, and certain other consequences. In a qualifying exchange, the replacement property’s basis generally starts with the basis of the property transferred, then is adjusted for items such as money received, gain recognized, loss recognized, and additional consideration paid.

Consider a deliberately simplified exchange in which real property worth $500,000 has an adjusted basis of $300,000 and is exchanged solely for qualifying real property worth $500,000. If the exchange is fully eligible for nonrecognition and no other adjustments apply, the replacement property’s basis generally remains $300,000 rather than stepping up to $500,000.

The $200,000 difference has not disappeared; it is reflected in the lower carryover basis. A later taxable disposition can bring that deferred gain, later appreciation, and depreciation adjustments into the eventual calculation.

Real transactions can include mortgages, closing costs, cash, multiple assets, depreciation, or partially qualifying property, so the simplified numbers illustrate the concept rather than a universal calculation.

Form 8824 connects the exchange to the federal tax return

Form 8824 reports the properties, transfer dates, identification and receipt dates, related-party information, values, recognized gain, and basis figures for a like-kind exchange. The form is filed for the tax year in which the exchange occurs.

Different portions of a transaction may also affect other federal forms, including forms used for capital gains, business-property dispositions, installment sales, or depreciation. Form 8824 documents the exchange itself, but it does not necessarily replace every other reporting rule connected to the property.

Related-party exchanges receive additional treatment under Section 1031 and Form 8824. In specified circumstances, a disposition within two years can cause previously deferred gain or loss to be recognized, and the form instructions require follow-up reporting for the two years after a related-party exchange.

Federal qualification does not answer every state-tax question

Section 1031 is a federal income-tax rule. Questions about a particular state’s conformity, reporting, withholding, or treatment of previously deferred gain fall outside this federal overview.

The central federal idea is simple: Section 1031 can postpone recognition when qualifying real property is exchanged under the required structure. The property purpose, like-kind standard, timing, receipt of money or other property, basis, and reporting details determine what that statement means in practice.

Sources

• 26 U.S.C. § 1031, exchange of real property held for productive use or investment
• 2025 Code of Federal Regulations, Title 26, Section 1.1031 regulations
• IRS real estate tax tips for like-kind exchanges
• IRS Instructions for Form 8824, Like-Kind Exchanges
• IRS Publication 544, Sales and Other Dispositions of Assets
• IRS Publication 551, Basis of Assets