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Investor WorkspaceA little clarity for your next decision.
By Jerry Baker
IRS Form 8824 reports a like-kind exchange and calculates the gain recognized now, gain deferred, and tax basis carried into the replacement property. It belongs with the return for the year you transferred the old property, even when the replacement closes the following year. This guide explains the records, calculations, and questions to review with your tax preparer before filing.
A completed exchange does not disappear from your tax return because no cash came home. Form 8824 gives the IRS a record of the transaction and its tax result. The current instructions use Parts I, II, and III for exchanges of business or investment real estate. Part IV concerns a different rule for certain government conflict-of-interest sales. [1]
The form does not turn a cash sale into an exchange. Eligibility, timing, ownership, and funds handling still need to satisfy the law. Section 1031 applies to qualifying real property held for business or investment, with limits on property held for sale, related parties, and other matters. [2]
I think of the form as the written explanation of what happened. If the closing records and tax return tell different stories, that gap needs attention.
This is a guide for reviewing the process with a CPA, not a completed return. Line references follow the 2025 instructions available when this guide was checked. Use the form and instructions for your actual filing year, and check later updates before filing.
Your preparer needs more than the new property's price. Gather the records that explain the old basis, each transfer, and every source and use of funds.
| Record | What it helps establish |
|---|---|
| Original purchase statement and prior exchange forms | The starting tax history |
| Depreciation and improvement schedules | Adjusted basis and asset categories |
| Sale and replacement closing statements | Value, costs, loan balances, and credits |
| Exchange agreement and signed identification | The structure and identification record |
| QI transfers and final reconciliation | Where exchange funds actually went |
| Loan documents and payoff records | Debt relieved and debt acquired |
| Outside-cash records | Money added from other sources |
| Valuation and allocation support | How amounts were assigned among assets |
Label each document by property and date. Put estimated statements in a separate folder from final statements. Otherwise, a number that changed at closing can find its way into the return months later.
Prepare a one-page list of anything unusual: cash taken out, a buyer credit, a late cost, several replacements, personal use, or a related party. Let the CPA decide what matters. Leaving out a detail to make the file look simpler usually does the opposite.
The opening section identifies what you gave up, what you received, and the key dates. The instructions call for addresses and property types, or a short description when an eligible real-property interest has no address. [1]
Use the actual transaction documents. An offering's marketing name may not fully describe the interest acquired. A deed or purchase agreement may contain the details your preparer needs.
Reconcile the transfer date with the closing team and QI. The standard delayed-exchange rules require timely written identification and receipt of the replacement within the exchange period. The completion limit is generally the earlier of 180 days after transfer or the return due date, including extensions. [2]
If the exchange crossed December 31, do not simply put it on the return for the year the last purchase closed. The instructions generally tie filing to the year the relinquished property was transferred. [1]
Ask the preparer to flag a missing date or unclear description before the return is nearly finished. A question about which property was acquired deserves a document review, not a guess from a bank transfer description.
Related-party rules reach beyond a direct sale between family members. Using a QI does not remove the issue. The IRS instructions also cover indirect exchanges and certain related firms. Some plans designed to avoid the rules do not qualify. [1]
Tell the preparer who is related to whom. Include people and firms on both sides of the exchange. Show who owns each firm. The legal tests depend on those facts, not just the names on the contracts.
Section 1031 includes a two-year disposition rule with exceptions and anti-abuse provisions. A simple two-year promise is not a cure for every related-party arrangement. [2]
For a covered related-party exchange, Form 8824 may also need to be filed for the next two years. What must be completed depends on later dispositions and any applicable exception. [1] Put that follow-up on the tax calendar rather than assuming the first return ends the job.
My practical suggestion is to keep a short ownership chart in the file. It is much easier to review named people and percentages on one page than to reconstruct the relationships from several company names.
Adjusted basis is the property's tax investment after the required changes. It is not the current market value, mortgage payoff, or cash left after closing.
IRS Publication 551 explains the changes. Capital improvements can increase basis. Depreciation allowed or allowable can reduce it, as can other items. [3] That “allowable” word matters. Missing a deduction on an old return does not, by itself, let you keep a higher basis.
Here is an original simplified basis worksheet. Assume an $850,000 starting basis, $150,000 of properly capitalized improvements, and $300,000 of depreciation adjustments. With no other changes, adjusted basis is $700,000.
If the old property came from an earlier exchange, the starting point may already include deferred gain from an even older property. Do not replace that history with the price on the most recent purchase contract.
Ask for a roll-forward: starting basis, additions, reductions, and final adjusted basis. Each material change should trace to a record. If your previous accountant has the only depreciation schedule, request it before relying on a tax estimate.
Separate land, buildings, and other assets as needed. A total may look correct while an allocation inside it is wrong. That can affect both current gain treatment and future deductions.
These terms sound similar but do different jobs.
The exchange rules generally limit recognition from money and other non-like-kind property to the gain realized. Separate recapture rules can affect the result. [2][1]
“Boot” is the common shorthand for cash or other value received outside qualifying replacement property, including certain net debt relief. It is not a tax rate and does not itself tell you the final tax bill.
For example, $200,000 of recognized gain is not $200,000 of tax. Your CPA still needs to determine the gain's character, the applicable rates, other income, and relevant federal and state rules.
That is why I would ask for two outputs: the exchange calculation and the tax estimate built from it. Combining them into one unexplained percentage makes the result much harder to review.
The following figures are invented for this guide. Assume one eligible real-estate replacement. There are no transaction costs or non-like-kind assets. No residence exclusion or separate ordinary-income recapture applies. Those facts keep the example simple; a real file needs each point checked.
| Item | Amount |
|---|---|
| Old property's fair market value | $2,000,000 |
| Old adjusted basis | $700,000 |
| Old debt | $600,000 |
| Exchange equity | $1,400,000 |
| Replacement value | $2,100,000 |
| Replacement debt | $650,000 |
| Additional outside cash | $50,000 |
The funding reconciles: $1.4 million of exchange equity plus $650,000 of debt and $50,000 of added cash equals the $2.1 million replacement value.
For the simplified Part III calculation, line 15 is zero. The replacement value on line 16 is $2.1 million. Line 18 includes $700,000 of old basis plus the $100,000 net additional consideration: $50,000 more debt and $50,000 of cash.
That produces $1.3 million of realized gain: $2.1 million minus $800,000. With the stated assumptions, recognized gain is zero and deferred gain is $1.3 million. Replacement basis is $800,000. The line treatment follows the current instructions. [1]
Notice the two different replacement numbers. You acquired $2.1 million of value, but your tax basis is $800,000. The missing $1.3 million is not a bookkeeping mistake. It represents deferred gain in this example.
Now keep the same $2 million old value, $700,000 basis, and $600,000 debt. Change the replacement value to $1.8 million and its debt to $450,000. Invest $1.35 million of the exchange equity and receive the remaining $50,000 in cash. Assume the transaction otherwise qualifies and the same simplifying exclusions apply.
Debt relief is $150,000: $600,000 less $450,000. Add the $50,000 cash received and the simplified boot amount is $200,000. The liability rules require their own netting calculation; do not use only the cash left at closing. [4]
| Calculation | Result |
|---|---|
| Replacement value plus cash and net debt relief | $2,000,000 |
| Less adjusted basis | − $700,000 |
| Realized gain | $1,300,000 |
| Recognized gain under the assumptions | $200,000 |
| Deferred gain | $1,100,000 |
| Replacement value less deferred gain | $700,000 basis |
The result illustrates partial deferral. It does not mean every dollar of realized gain becomes taxable because some cash came out.
It also does not mean extra borrowing can always solve cash boot. The rules for cash paid and debt assumed do not work as a free offset in both directions. [4] Have the preparer use the actual cash and debt flows rather than a one-line “buy equal or greater” shortcut.
Real closings rarely look as clean as those examples. Cost treatment is a major reason to keep the original statements.
Publication 551 distinguishes exchange expenses from other closing items. Property taxes, rent prorations, security deposits, and repairs are examples of items that are not exchange expenses. [3] Their presence on a settlement statement does not give every item the same tax treatment.
The Form 8824 instructions explain how exchange expenses affect line 15 and line 18. An amount used to reduce line 15 is not counted again on line 18. [1]
Create a review sheet with four columns: charge, amount, who paid it, and proposed tax treatment. Leave the last column for the preparer's conclusion. That exposes duplicate entries and keeps an estimate from becoming an assumed deduction.
Also distinguish loan costs from property costs. Ask where prepaid amounts, reserves, lender charges, and credits belong. A large reserve deposit may affect available cash even when it is not an immediate expense.
The goal is not to force the form to show zero recognized gain. The goal is to report the transaction correctly and understand why the result differs from the early plan.
Form 8824 includes a separate ordinary-income recapture calculation. Assets classified under Sections 1245, 1250, 1252, 1254, or 1255 can require special analysis. Some real property can qualify for Section 1031 yet still have a recapture issue when exchanged for a different asset class. [1]
Give the CPA any cost-segregation study. Include the full record of depreciation. Calling the whole purchase “commercial property” does not tell the CPA how each asset was treated for tax.
Do not confuse ordinary-income recapture with the separate treatment of unrecaptured Section 1250 gain. Nor should you assume every gain on business real estate receives one capital-gain rate.
Form 4797 instructions address the treatment of business-property gains. For example, prior nonrecaptured Section 1231 losses can affect how current net Section 1231 gain is treated. [5] The final result depends on more than this year's exchange statement.
Our two examples assumed no separate ordinary-income recapture to make the funding and basis math visible. That assumption must be tested in a real file. It should never become a default zero entered because the rest of the worksheet looks balanced.
Line 25 reports basis in the like-kind property received. The instructions also require applicable allocations among property categories on lines 25a through 25c. [1] Your preparer should preserve the supporting allocation, not just the total.
A replacement investment with several assets needs records detailed enough to support those allocations. Ask which values come from an appraisal, sponsor tax package, closing agreement, or another source.
Depreciation has a second layer of rules. IRS Publication 946 explains that carryover basis and excess basis may need different treatment. The carryover portion can retain aspects of the old depreciation schedule, while the excess portion is generally treated as newly placed in service. Recovery-period differences and elections can change the method. [6]
Buying a new building therefore does not automatically give you a fresh depreciation schedule on its full market value. That would ignore the basis carried through the exchange.
Request a final asset schedule showing basis, land allocation, recovery periods, methods, and service dates. Check that it agrees with the filed exchange calculation. The next year's return should begin with an approved schedule, not a new guess.
Your exchange may include several properties or several kinds of assets. Some may not be like kind. In those cases, a simple one-property worksheet may not be enough. Form 8824 has special directions for multi-asset exchanges. Follow them when they apply. [1]
Organize the file by replacement interest and asset group. Show purchase value, allocated debt, equity, costs, and relevant dates for each. Keep the totals linked to the QI reconciliation.
If one offering provides a sponsor tax package, confirm what that package covers. It may explain the acquired assets without knowing your old basis, prior exchanges, or personal tax history. The CPA must connect both sides.
For property partly used as a home, the residence rules may also need separate worksheets. Do not merge personal-use and investment amounts simply because they appeared on one deed.
I would treat an unexplained difference between the property schedule and total funds as an open issue. “Close enough” is not a useful tax category.
Federal Form 8824 does not finish every state filing. Consider an exchange out of California. Form 3840 generally tracks the deferred gain sourced to that state when you buy outside it. You may need to file each year until the gain is recognized. [7]
The requirement can apply without California residency. For a disregarded entity, the instructions assign the filing to its owner. [7] Buying elsewhere is not a reason to throw out the California records.
Ask the CPA to list every required state filing and who will prepare it. If different firms handle federal and state returns, confirm how they will share the basis and deferred-gain schedules.
Also request a record of any federal-state basis difference. A number carried forward for federal tax is not automatically the correct state number. Keep the explanation with the schedule so it survives a change of preparer.
Before filing, review five items with the preparer: property descriptions, dates, adjusted basis, cash and debt, and the final recognized/deferred gain. Ask where any taxable gain flows onto the rest of the return.
Then compare the new asset schedule with Form 8824. Save both the filed version and supporting worksheets. Mark draft versions clearly so they cannot be mistaken for the final calculation.
IRS guidance says to keep property records through the tax review period for the year you dispose of it. In a nontaxable exchange, keep the old records too. They can remain needed through that period after you dispose of the new property. [8] Do not assume everything can be discarded three years after the first sale.
Store a backup where your authorized advisers or successor can find it. A chain of exchanges can span many years and several accountants. A clean record today saves a difficult reconstruction later.
Yes, a qualifying exchange still needs reporting. The form records the transaction and replacement basis as well as any current gain. Zero recognized gain does not mean there is no tax history to carry forward. [1]
Generally, file with the return for the year you transferred the old property. Coordinate the return deadline and any extension with your preparer while the exchange is still open. Do not assume the replacement closing year controls. [1]
Confirm the scope of each engagement. The QI's transaction records are important inputs, but the preparer also needs your basis, depreciation, other tax items, and state information. Assign the filing job explicitly instead of assuming it is included elsewhere.
Not as a substitute for adjusted basis. Paying a loan reduces cash, while gain and net debt relief follow separate calculations. Provide both the loan records and the basis schedule so the preparer can reconcile them correctly. [1][4]
Not necessarily. A qualifying exchange can be partly taxable. The amount and character of recognized gain depend on cash, other property, debt, expenses, realized gain, and any recapture rules. Our partial example isolates only some of those factors. [1][2]
Do not assume so. The exchange carries basis into the replacement, and depreciation rules distinguish basis components and asset types. Have the preparer establish the new schedule before using a projected deduction in your income plan. [3][6]
Bring the filed return and source records to a qualified tax preparer. Ask what needs correction, which years are affected, and what filing process applies. Do not simply change the number on next year's schedule without addressing the earlier reporting.
Keep the records needed to support the basis carried into the new property through the applicable period after its disposition. An old closing statement can remain relevant long after that property's sale. Ask your adviser about any longer state or other requirements. [8]
Educational information, not an offer or a personal tax, legal, or investment recommendation. Examples are hypothetical and omit stated adjustments. Tax treatment depends on your facts and current law. Review your transaction with your CPA, attorney, and qualified intermediary. Real estate investments can lose value and may be illiquid.
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