What Are the Disadvantages of a 1031 Exchange?

The main disadvantages of a 1031 exchange are that it defers tax rather than eliminating it, imposes rigid deadlines with no extensions, carries substantial transaction costs and counterparty risk, shrinks your future depreciation deductions through a carryover basis, and locks your capital inside real estate under threat of a large accumulated tax bill if you ever cash out. The rules are unforgiving, and a single procedural slip can collapse the entire deferral and leave you owing the full capital gains tax you were trying to postpone.¹

Deadlines That Don’t Bend

Two clocks start the day your relinquished property closes. Within 45 days, you must identify replacement properties in writing. Within 180 days, you must close on one of them.¹ There is no grace period, no hardship extension, no appeal. Lender delays, title problems, and a slow seller all count against you.

The 180-day figure hides a trap. The real deadline is the earlier of 180 days after your sale or the due date of your federal return, including extensions, for the year of the sale.² Sell in October or November without filing an extension and your window can slam shut well short of day 180. The pressure often forces investors to close on a less-than-ideal property just to preserve the tax benefit, which defeats the point of disciplined investing.

Identification Rules That Punish Small Errors

Within the 45-day window, you must formally identify replacement properties to your qualified intermediary under one of three alternative rules. Violate any of them and the IRS treats you as having identified nothing at all.³

The three-property rule lets you identify up to three properties regardless of value. Three options is not much when deals fall apart.
The 200-percent rule allows more than three properties, but their combined fair market value can’t exceed 200% of what you sold.
The 95-percent rule salvages an over-identified list only if you actually close on 95% of the total value you named. In practice, this is nearly impossible.

Once day 45 passes, you’re locked in. If a seller backs out on day 50 and you named only one property, the exchange fails. Accidentally list a fourth property under the three-property rule and the IRS treats your identification as void. The penalty for a paperwork slip is the full capital gains bill you were trying to defer.

Intermediary Costs and Counterparty Risk

You cannot touch the sale proceeds. A deferred exchange requires a qualified intermediary to hold the funds between transactions, and briefly receiving the money yourself kills the exchange.⁴ So you pay someone to sit on what may be hundreds of thousands of dollars of your money for months.

QI fees for a standard forward exchange typically run $1,000 to $3,000 once setup, wire fees, and document preparation are included. These come off the top of your exchange funds.

The bigger issue is counterparty exposure. There is no federal regulation of qualified intermediaries and no government-backed insurance on exchange funds. A handful of states have their own QI regulations; most do not. If your QI mismanages funds, goes bankrupt, or commits fraud, the money can disappear, the exchange fails, and you still owe the tax. Investors have lost millions in documented QI failures. Bonding, segregation of accounts, and financial stability matter more than most investors realize when choosing one.

Boot: Surprise Tax Bills on Imperfect Exchanges

Full deferral requires reinvesting every dollar. Anything you receive other than qualifying real property is “boot,” and it triggers immediate tax on the lesser of your realized gain or the boot received.¹

Cash boot is the obvious form. Sell for $800,000 and buy a replacement for $750,000, and the $50,000 sitting with your QI is taxable. Mortgage boot catches more people off guard. If the debt on your replacement is lower than the debt on the property you sold, the IRS treats that net debt relief as money received. You never see a check, but you owe tax on it anyway.

To defer fully, the replacement must be equal or greater in value with equal or greater debt, and you must reinvest all net cash proceeds. That requirement can force you into a bigger property or more leverage than you’d otherwise choose. An investor who wants to deleverage or pull out equity simply cannot do so without generating a taxable event. The exchange effectively locks capital inside real estate.

Carryover Basis and Shrinking Depreciation

The most underappreciated downside plays out over years. A 1031 exchange does not reset your tax basis. Your old low basis carries over to the replacement property.¹ Original purchase price of $200,000, exchanged into a $1 million replacement? Your basis in the new property is still roughly $200,000, adjusted for any gain recognized.

Depreciation is calculated on cost basis, not market value, so that low basis directly shrinks your annual write-offs against rental income. Taxable income from the new property runs higher than it would have if you had bought it outright.

Chain multiple exchanges over a career and the gap between basis and value grows. When someone finally sells in a taxable transaction, the entire deferred gain comes due at once. Capital gains tax hits the appreciation. Depreciation recapture hits all the depreciation claimed or that could have been claimed, at a rate up to 25% or your ordinary income rate if lower.⁵ On top of that, investors with modified adjusted gross income above $200,000 (single) or $250,000 (married filing jointly) owe an additional 3.8% net investment income tax on the gain.⁶

The traditional way out is holding the last property until death, since heirs receive a stepped-up basis to fair market value that wipes out deferred gain and recapture.⁷ That plan requires staying in real estate for life, with no clean exit into cash or other asset classes.

What Doesn’t Qualify

Since the Tax Cuts and Jobs Act of 2017, Section 1031 applies exclusively to real property. Equipment, vehicles, artwork, and other personal or intangible property are out.⁴ Within real estate, the like-kind definition is broad, but several restrictions matter.

Real estate held primarily for sale, such as fix-and-flip inventory, doesn’t qualify. Dealer property is out.¹
Your primary residence and purely personal vacation homes are ineligible. The property must be held for investment or productive business use.¹
Partnership interests cannot be exchanged for real property, even if the partnership holds nothing but real estate. A narrow Section 761(a) election exception exists.¹

The partnership restriction is a common trap. If you hold property through an LLC taxed as a partnership, the partnership can do the exchange, but individual partners cannot exchange their partnership interests. Workarounds exist, such as dissolving the partnership and distributing tenancy-in-common interests before the sale, but they must happen well in advance. A last-minute “drop and swap” done shortly before closing invites IRS scrutiny and potential disqualification.

Vacation Homes Sit in a Gray Area

Mixed-use vacation properties are awkward. An IRS safe harbor lets a dwelling unit qualify if, during each of the two 12-month periods before the exchange, you rent it at fair market rates for at least 14 days and limit personal use to no more than 14 days or 10% of rental days, whichever is greater.⁸ The same standard applies to the replacement property for the two years after the exchange. Fall outside the safe harbor and the transaction is not automatically disqualified, but it’s open to IRS challenge, which is not a comfortable place to sit with six or seven figures of deferred tax on the line.

A Two-Year Window of Risk on Related-Party Deals

Exchanges between related parties, including family and entities you control, carry an additional two-year holding requirement. If either side disposes of the property received within two years, the original deferral unwinds and the full gain becomes taxable in the year of that disposal.¹ Someone else’s action can blow up your deferral.

You must also file Form 8824 not only for the exchange year but for the two years after a related-party transaction, reporting whether either party disposed of the property.⁹ Selling to or buying from a relative creates a two-year vulnerability that doesn’t exist in arm’s-length deals.

Reverse and Improvement Exchanges Cost Much More

A standard forward exchange is already complex. Reverse and improvement (build-to-suit) exchanges multiply cost and risk.

In a reverse exchange, you buy the replacement before selling the old property. Because you can’t own both at once under the exchange rules, an Exchange Accommodation Titleholder must acquire and hold the new property through a special-purpose LLC under a Qualified Exchange Accommodation Arrangement.¹⁰ That parking arrangement requires LLC formation, separate title insurance, legal documentation, and often bridge financing. Total costs commonly run $7,000 to $15,000 before financing, compared with $1,000 to $3,000 for a forward exchange.

Improvement exchanges, where exchange funds are used to build or renovate before the 180-day deadline, face an even harder problem. If construction isn’t finished within 180 days, deferral is limited to the value actually added by the deadline. Any shortfall between value received and the relinquished property’s value may be taxable gain. Construction delays, permitting issues, and supply chain problems are common enough that the risk is not theoretical.

State Tax Complications

A 1031 exchange defers federal tax, but state treatment varies. Some states don’t fully conform to federal rules, and a few impose their own tracking and reporting. California follows federal 1031 rules but applies a clawback: sell a California property, buy a replacement out of state, and California can recapture the deferred gain later. Investors moving exchange proceeds across state lines may find they owe state capital gains tax even though the federal exchange worked perfectly.

State-level capital gains rates range from 0% in states without an income tax to over 13% in the highest-tax states. State-specific filing requirements, such as California’s Form 3840, add another layer of compliance cost and risk.

Converting the Replacement Property to Personal Use Is Slow

Planning to move into the replacement property later? You can’t close on it and immediately convert it to your primary residence. The IRS safe harbor requires holding the replacement for at least 24 months after the exchange, renting it at fair market rates for at least 14 days in each 12-month period, and limiting personal use to no more than 14 days or 10% of rental days.⁸

Even after conversion, the interaction with the Section 121 primary residence exclusion ($250,000 single, $500,000 married filing jointly) is restricted. Section 121(d)(10) requires at least five years of ownership before claiming the exclusion, rather than the standard two-year rule. Gain attributable to the period the property was used as a rental or investment is not eligible for the exclusion, and depreciation claimed during that time is recaptured regardless. The math rarely works as cleanly as investors expect when they plan to exchange now and move in later.

Reporting Adds Cost and Audit Exposure

Every exchange must be reported on Form 8824, filed with your tax return for the year the exchange occurs.⁹ The form requires detailed information about both properties, the relevant dates, consideration exchanged, and the computation of deferred gain and new basis. Related-party exchanges require the form for two additional years.

Given the dollar amounts typically involved, the stakes of an audit are high, and sloppy filings draw attention. Most investors need a tax professional familiar with exchange reporting, on top of QI fees, title work, and any legal restructuring. Those cumulative transaction costs eat into the very tax savings that motivated the exchange to begin with.

1
Office of the Law Revision Counsel. 26 USC 1031 – Exchange of Real Property Held for Productive Use or Investment
2
Internal Revenue Service. Like-Kind Exchanges Under IRC Section 1031
3
eCFR. 26 CFR 1.1031(k)-1 – Treatment of Deferred Exchanges
4
Internal Revenue Service. Like-Kind Exchanges – Real Estate Tax Tips
5
Office of the Law Revision Counsel. 26 USC 1 – Tax Imposed
6
Internal Revenue Service. Net Investment Income Tax
7
Office of the Law Revision Counsel. 26 USC 1014 – Basis of Property Acquired From a Decedent
8
Internal Revenue Service. Revenue Procedure 2008-16
9
Internal Revenue Service. Instructions for Form 8824 (2025)
10
Internal Revenue Service. Revenue Procedure 2000-37