Form 8824: Reporting Your 1031 Exchange

Many investors think the exchange is finished once they've closed on the replacement property. It isn't — the deferral has to be claimed, and that happens on IRS Form 8824, Like-Kind Exchanges, filed with your tax return for the year you sold the relinquished property. The form documents the exchange, calculates how much gain is deferred versus recognized, computes any taxable boot, and establishes your basis in the replacement property going forward. Even a fully deferred exchange — where you owe no tax — must be reported on Form 8824; the deferral isn't automatic, and failing to report it correctly can invite questions even when the exchange itself was valid. This guide walks through what the form reports, its key sections and calculations, and how to approach it with your CPA so your exchange is documented correctly.

What Form 8824 reports

Form 8824 is the IRS form on which you report a like-kind exchange and claim the deferral. Its purpose is to document that an exchange occurred, identify the properties involved, establish the timeline, and compute the tax consequences — how much gain is deferred, how much (if any) is recognized as taxable boot, and what your basis in the replacement property becomes. The form translates the economics of your exchange into the figures the IRS needs to confirm the deferral and track the carried-over gain.

You file Form 8824 with your federal income tax return for the tax year in which the relinquished property was transferred — that is, the year the first leg (the sale) occurred, even if the replacement closing happened in the following year (as it can, since you have up to 180 days). The form is part of your return, not a separate filing, and you generally complete one Form 8824 for each exchange (with special handling for exchanges involving multiple properties or assets).

Crucially, the form must be filed even when the exchange fully defers the gain and you owe no tax. The deferral is a tax position you claim by reporting the exchange; it isn't granted automatically just because you completed the transaction. Omitting Form 8824, or completing it incorrectly, can create problems — the IRS may not have a record of the deferral, or may question the exchange — even if the underlying transaction was a valid 1031. Reporting it correctly is the final, essential step that makes the deferral official.

Key parts and lines of the form

Form 8824 is organized into parts, each capturing a piece of the exchange. Part I gathers the descriptive and timeline information: descriptions of the like-kind property given up and received, the dates the relinquished property was transferred and the replacement was identified and received, and confirmation that the deadlines were met. This part establishes that the transaction was a properly-timed like-kind exchange, anchoring the 45-day and 180-day compliance.

Part III is where the financial calculations happen — the realized gain, the recognized gain (taxable boot), and the basis of the replacement property. This is the heart of the form, translating your sale price, basis, boot, and any additional investment into the deferred and recognized amounts. The lines walk through the computation step by step, and the figures here determine both your current-year tax (if any boot was recognized) and your basis going forward.

Part II is used specifically for related-party exchanges, capturing information about the related party and the two-year holding period, since related-party exchanges carry special rules and reporting. Part IV applies to certain deferrals involving conflict-of-interest property sales (a narrow situation). For most investors, Parts I and III are the substance of the form, with Part II added when a related party is involved. Understanding which parts apply to your exchange helps you (and your CPA) complete the right sections accurately.

Reporting boot and basis

The boot and basis calculations are the most consequential and the most error-prone part of Form 8824. Boot — cash or non-like-kind value you received, including unreplaced debt — is recognized gain, taxable up to your realized gain. The form computes your recognized gain by determining your total boot and applying it against your realized gain (recognized gain is the lesser of the two). If you took no boot and fully deferred, the recognized gain is zero; if you took cash or reduced debt, the recognized gain reflects that boot.

The basis calculation establishes your basis in the replacement property, which carries forward the deferred gain and governs your future depreciation. In a fully deferred exchange, your basis in the replacement is essentially your old adjusted basis (carryover basis), adjusted for any additional cash invested or boot received. This carryover basis is typically lower than the replacement's purchase price — the difference represents the deferred gain riding along in the new property. Getting this basis right matters, because it affects your depreciation deductions and your gain on any future sale.

These calculations interact in ways that reward careful work. Boot received increases recognized gain and adjusts basis; additional cash invested or debt assumed affects the basis and can offset boot. Depreciation recapture can also factor in, since recognized gain from boot may include recapture taxed at higher rates. Because these figures flow through the form's lines in a specific order and interact with one another, this is precisely the part of the exchange where a CPA's expertise pays off — the calculations are mechanical but intricate, and errors here can misstate your tax or your basis.

Filing timing

Form 8824 is filed with your federal income tax return for the year the relinquished property was transferred. This timing has a subtle but important implication when your exchange straddles two tax years — which it can, because you have up to 180 days to close on the replacement. If you sell late in the year and close on the replacement early the next year, you still report the exchange on the return for the year of the sale, even though the exchange wasn't fully complete by year-end.

This straddle situation connects to the deadline interaction many investors overlook: your replacement-closing deadline is the earlier of 180 days or your tax return's due date for the year of the sale. If you sell late in the year, that return's due date can arrive before your 180th day, effectively shortening your closing window — unless you file an extension for that return. Filing the extension preserves the full 180 days and also gives you time to complete the exchange before reporting it. This is why a late-year exchange often involves filing an extension, coordinated with your CPA.

The practical upshot is that the filing timing and the exchange deadlines are linked, and both should be planned with your CPA, ideally from the start of the exchange rather than at tax time. Knowing when Form 8824 is due (with the return for the year of the sale), and whether an extension is needed to preserve your closing window, is part of managing the exchange correctly. Introducing the exchange to your CPA only at filing time risks missing these timing interactions, which is one more reason the CPA belongs on the team early.

Working with your CPA

Form 8824 is a form most investors complete with their CPA rather than alone, because the calculations — realized gain, boot, recognized gain, carryover basis, and any depreciation recapture — are intricate and interact in ways that are easy to get wrong. A CPA who understands like-kind exchanges prepares the form as part of your return, drawing on the closing statements for both legs, the basis records, the details of any boot, and the depreciation history. Their work ensures the deferral is claimed correctly and the basis is established accurately.

The CPA's value extends beyond filling in the form. They reconcile the form's figures with your overall return, ensure any recognized boot is taxed correctly (including recapture at the right rates), establish the replacement property's basis and new depreciation schedule, and confirm the reporting is consistent with the exchange documents. For exchanges with complications — partial exchanges, related parties, multiple properties, or a working-interest equipment carve-out — the CPA's expertise is essential to reporting them correctly.

Engaging the CPA early, not at filing time, is the key. Because the filing timing, the extension question, the basis carryover, and the boot calculations all benefit from advance planning, a CPA involved from the start of the exchange can structure and document it so the Form 8824 reporting is straightforward. Introducing the exchange to them only when the return is due means reconstructing the details after the fact and risking missed planning opportunities. The CPA preparing Form 8824 should be the same CPA who helped plan the exchange — which is why the accountant is a core member of the exchange team from the beginning.

Common reporting errors to avoid

Several reporting errors recur and are worth guarding against. The first is simply failing to file Form 8824 at all — assuming that because no tax is owed on a fully deferred exchange, there's nothing to report. The deferral must be claimed through the form, so omitting it can leave the IRS without a record of the exchange and create problems later. Even a zero-tax exchange requires the filing.

A second common error is miscalculating boot and basis — understating boot (and thus underreporting tax), or getting the carryover basis wrong (which misstates future depreciation and the gain on a later sale). These errors often stem from overlooking debt boot, mishandling additional cash invested, or failing to account for depreciation recapture in the recognized gain. Because the calculations interact, an error in one figure ripples through the others, which is why careful, CPA-supported computation matters.

A third error is mismatched or inconsistent reporting — figures on Form 8824 that don't reconcile with the closing statements, the exchange documents, or the rest of the return. Inconsistencies can invite scrutiny even when the underlying exchange was valid. Reporting on the wrong year's return (not the year of the relinquished sale), or missing the related-party Part II when a related party was involved, are other pitfalls. The cure for all of these is the same: careful preparation with a CPA who understands exchanges, working from complete and accurate records, so the form reflects the transaction correctly and consistently.

The records you'll need to complete it

Completing Form 8824 accurately requires assembling a specific set of records, and gathering them in advance makes the filing far smoother. For the relinquished property, you'll need the closing statement from the sale (showing the sale price, selling costs, and any debt paid off), your basis records (original cost plus improvements, minus accumulated depreciation), and the depreciation history that determines any recapture. These establish your realized gain and the figures that flow into Part III.

For the replacement property, you'll need the closing statement from the purchase (showing the price, any debt assumed, and any additional cash invested) and the dates that confirm the timeline — when the replacement was identified and received, which Part I reports. If you took any boot (cash kept or debt not replaced), you'll need the details of that as well, since it drives the recognized-gain calculation. The qualified intermediary's records and accounting of the exchange funds tie these together.

Pulling these records together before tax time, rather than reconstructing them when the return is due, is what makes the Form 8824 reporting straightforward. It's also why the exchange documentation — the exchange agreement, the identification notice, both closing statements, the basis and depreciation records — should be retained in an organized file from the start. Your CPA works from these records to compute the realized gain, the boot, the recognized gain, and the carryover basis, so having them complete and accurate directly determines whether the form reflects the exchange correctly. The quality of the reporting is only as good as the records behind it.

How Baker 1031 helps with reporting

Baker 1031 Investments helps ensure your exchange is set up and documented so the Form 8824 reporting is clean — coordinating with your CPA from the start, maintaining the records the form requires (closing statements for both legs, the identification, basis details, any boot), and flagging the filing-timing and extension issues that late-year exchanges raise. While the CPA prepares the form, we help make sure the exchange is structured and papered so the reporting accurately reflects a valid, fully-documented transaction.

Securities such as DSTs are offered through the broker-dealer, Aurora Securities, Inc. (member FINRA/SIPC), and any recommendation follows a suitability review. The tax reporting itself belongs with your CPA, with whom we coordinate closely — because a smooth Form 8824 filing starts with an exchange that was planned, documented, and timed correctly from the beginning, not assembled at tax time.

Frequently Asked Questions

Glossary

Form 8824

The IRS form, Like-Kind Exchanges, used to report a 1031 exchange and claim the deferral.

Realized Gain

Total gain on the relinquished property — sale price minus adjusted basis and selling costs.

Recognized Gain

The portion of gain actually taxed — the lesser of total boot or realized gain.

Deferred Gain

The portion of gain not recognized, carried forward in the replacement property's basis.

Boot

Cash or non-like-kind value received, including unreplaced debt; recognized as taxable gain.

Carryover Basis

The relinquished property's adjusted basis transferred to the replacement, preserving deferred gain.

Adjusted Basis

Original cost reduced by depreciation and other adjustments; used to compute realized gain.

Depreciation Recapture

Tax on prior depreciation, at higher rates, which can be part of recognized boot.

Part I (Form 8824)

The section reporting property descriptions and the exchange timeline.

Part II (Form 8824)

The section for related-party exchange information and the two-year holding period.

Part III (Form 8824)

The section computing realized gain, recognized gain, and the replacement's basis.

45-Day Identification Period

The window to identify replacement property, confirmed on the form's timeline.

180-Day Exchange Period

The window to close on the replacement, confirmed on the form's timeline.

Tax-Return-Date Rule

The closing deadline being the earlier of 180 days or the year-of-sale return's due date.

Extension

Filing for more time on the year-of-sale return to preserve the 180-day window for late-year exchanges.

Qualified Intermediary (QI)

The party whose closing statements and records support the Form 8824 figures.

Sources & References

Disclosures