What bookkeeping records do I need for a 1031 exchange on rental property?
A 1031 exchange defers capital gains taxes by reinvesting proceeds from one rental property into another like-kind property. The deferral only works if your records support it. Missing or incomplete bookkeeping can create problems years later when you sell the replacement property or get audited.
Start with the adjusted basis of the property you’re selling. This is your original purchase price plus any capital improvements you’ve made over the years minus all depreciation you’ve taken (or should have taken). If you bought a rental for $400,000, put $50,000 into a new roof and HVAC, and have taken $85,000 in depreciation, your adjusted basis is $365,000. Every one of those numbers needs documentation. Purchase closing statements, improvement invoices, and depreciation schedules from every year’s tax return all matter.
Depreciation history is where most real estate investors run into trouble. If you’ve owned the property for ten or fifteen years and changed accountants along the way, depreciation records can get messy or go missing. The IRS treats depreciation as “allowed or allowable,” meaning even if you forgot to claim depreciation in prior years, they reduce your basis as if you had. Get your depreciation schedule nailed down before you start the exchange.
For the sale itself, keep the complete closing statement showing the sales price, real estate commissions, title and escrow fees, transfer taxes, and any seller credits. Track exchange-specific expenses separately, including the qualified intermediary fee, legal fees related to the exchange, and any other costs directly tied to structuring the transaction.
Track the qualified intermediary funds carefully. The sale proceeds go to your QI, not to you. Document the amount received by the QI, any interest earned on those funds, and every disbursement out of the account. If you touch the money directly, even accidentally, the exchange can be disqualified.
For the replacement property, keep the full purchase closing statement with the acquisition price, closing costs, and any additional cash you contributed beyond the exchange funds. Document the 45-day identification letter listing potential replacement properties and the final closing date to prove you met both deadlines.
Here’s the part that makes all of this so important. The replacement property doesn’t start with a fresh basis. It carries over the adjusted basis from the old property, modified by any additional cash you put in or any boot you received. Your bookkeepers in Buena Park and your CPA, or our official tax partner, Dharia Tax & Services, Inc., need clean records from both sides of the transaction to calculate the new property’s depreciable basis correctly. Get that number wrong and your depreciation deductions will be off for the entire time you hold the replacement property.
Put all exchange documents in a single folder, physical or digital, and keep it for as long as you own the replacement property plus at least three years after you eventually sell it. That could be decades. Label it clearly and make sure your bookkeeper has copies of everything so the numbers in your books match the supporting documentation.
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