What the 1031 actually defers
A properly structured 1031 exchange defers all taxable gain from the sale — including the depreciation recapture component. If you claimed $80,000 in depreciation on the relinquished property, that $80,000 of potential recapture is deferred rather than paid at sale. The IRS accomplishes this through a carryover basis mechanism: your basis in the replacement property is reduced by the amount of deferred gain.
How basis carries over
Your basis in the replacement property is not its full purchase price. Instead, it is the purchase price minus the deferred gain (both recapture and capital gain). This lower basis has two effects: (1) you get smaller annual depreciation deductions on the replacement property, and (2) the deferred recapture will be owed — at potentially higher tax rates — when you eventually sell the replacement property without another exchange.
Ending the chain: swap till you drop
Each successful 1031 exchange rolls the deferred recapture forward. If you exchange properties repeatedly until death, your heirs receive a step-up in basis to the date-of-death fair market value, permanently eliminating the accumulated recapture and deferred capital gains. This 'swap till you drop' strategy is one of the most powerful tools in real estate tax planning and effectively converts a tax deferral into a tax elimination.
A worked example of deferred recapture
Put numbers on it. You sell a rental for a net $600,000. Your adjusted basis is $250,000 after claiming $90,000 of depreciation, so your total realized gain is $350,000 — of which $90,000 is unrecaptured Section 1250 gain (up to 25%) and $260,000 is long-term capital gain. Paying tax outright might cost roughly $22,500 of recapture tax plus $39,000 of capital-gains tax (at 15%) plus NIIT and state — call it $70,000+. Instead you exchange into a $750,000 replacement. Your carryover basis is $750,000 − $350,000 deferred gain = $400,000. Nothing is taxed today. The $90,000 recapture and $260,000 capital gain now live inside that $400,000 basis and surface only when you sell the replacement without another exchange.
Section 1245 vs. Section 1250 inside an exchange
The character of the deferred recapture matters when the chain finally ends. Straight-line real-property depreciation becomes unrecaptured Section 1250 gain, taxed at a 25% maximum. But if a cost segregation study reclassified components into 5-, 7-, or 15-year property, that accelerated depreciation is Section 1245 property, recaptured as ordinary income with no 25% cap. A 1031 exchange can defer both, but Section 1245 recapture only fully defers if the replacement property contains enough like-kind Section 1245 property to absorb it; a shortfall can trigger ordinary recapture income even in an otherwise clean exchange. Investors who cost-segregated the relinquished property should have their QI and CPA confirm the 1245 carryover before closing.
Boot is taxed recapture-first
If you do not fully reinvest — you pocket cash, or take on less debt than you shed — the shortfall is boot and is taxable now. Critically, recognized gain from boot is characterized recapture-first: the first dollars of taxable boot are treated as depreciation recapture (up to 25% for Section 1250, or ordinary rates for Section 1245) before any lower capital-gains rate applies. So in the example above, pocketing $90,000 of cash would be taxed largely at recapture rates, not the friendlier 15% capital-gains rate. To keep the recapture fully deferred, buy equal or greater value, reinvest all equity, and carry equal or greater debt (or add cash to close any gap).
Depreciating the replacement: the two-schedule default
A common misconception is that the exchange simply restarts a clean 27.5-year clock on the whole replacement. Under the default rule of Reg. 1.168(i)-6, the carryover (exchanged) basis continues on the relinquished property's remaining recovery schedule — same method, same remaining years — while only the excess basis (the extra you paid above the old property's value) is treated as newly placed-in-service property with a fresh schedule and possible bonus-depreciation eligibility. You may elect out and depreciate the whole basis as new, but the default split is what most tax software applies. Either way, total depreciable basis is lower than a straight purchase, which is the deferral's built-in trade-off.
Watch for state clawback rules
Several states — California most prominently, along with Massachusetts, Montana, and Oregon — apply a clawback: if you defer a gain on an in-state property and exchange into an out-of-state replacement, the state tracks the deferred in-state gain and taxes it when you eventually cash out, often requiring an annual information return in the meantime (California Form 3840). Skipping the annual filing can let the state estimate the tax and assess it early. If your exchange crosses state lines, ask your CPA which source-state obligations follow the deferred recapture so it does not surprise you years later.
Reporting the exchange on Form 8824
Even though no tax is due, a 1031 exchange must be reported to the IRS on Form 8824 for the year the relinquished property is transferred. The form documents the like-kind properties, the 45-day and 180-day dates, the realized gain, any recognized boot, and — importantly — your new carryover basis, which is the running total of deferred recapture and capital gain you will need at the eventual sale. Keep the closing statements from both legs, the QI's exchange agreement and accounting, and a basis worksheet. Losing track of carryover basis across several exchanges is one of the most common ways investors accidentally overpay or underpay when the chain finally ends.
The 45-day and 180-day clock still governs the deferral
None of the recapture deferral survives if you miss the statutory deadlines. From the day the relinquished property closes, you have 45 calendar days to identify replacement property in writing and 180 calendar days to close (or your return due date including extensions, if earlier). Blow either deadline and the entire gain — recapture and capital gain alike — becomes taxable in the year of sale. You also cannot take actual or constructive receipt of the proceeds: the funds must stay with a qualified intermediary engaged before the sale closes. Investors sometimes focus so hard on the basis math that they treat the clock as a formality; it is the opposite — the deadlines are the precondition for every dollar of deferred recapture discussed above.
What happens if the exchange only partially works
Deferral is not all-or-nothing. If you buy down in value, pull out cash, or reduce your debt without replacing it, you create boot, and you recognize gain up to the amount of boot — taxed recapture-first as noted above. The rest of the gain still defers. So a partly-completed exchange can leave you paying recapture on the boot now while carrying the remainder into the replacement's basis. Similarly, if you identify replacement property but fail to close on all of it, the portion you did acquire may still qualify while the shortfall is taxed. Model the exact reinvestment before closing: knowing in advance how much boot you will recognize lets you decide whether to add cash to close the gap and keep the recapture fully deferred.
Converting a former exchange property to a residence
Some investors eventually move into a property they acquired through an exchange, hoping to use the Section 121 home-sale exclusion. Two rules limit the benefit. First, when a property was acquired in a 1031 exchange, you must own it for at least five years before any Section 121 exclusion is allowed. Second, gain attributable to periods of nonqualified use (the years it was a rental) is not excludable and is prorated out. And crucially, Section 121 never shelters depreciation recapture — the unrecaptured Section 1250 gain from every property in the exchange chain remains taxable even on an otherwise-excludable primary-residence sale. Converting to a residence can shave the capital-gain portion but does not erase the deferred recapture riding in your basis.
The bottom line on recapture and exchanges
A 1031 exchange is best understood as a way to keep the deferred recapture working rather than paying it out. Every dollar of depreciation you claimed lowers your basis and would be recaptured at up to 25% (or ordinary rates for cost-segregated Section 1245 components) on a taxable sale; the exchange rolls that entire liability into the replacement property's carryover basis, where it stays until you sell without exchanging. Chained exchanges plus a step-up at death can eliminate it for good. The trade-offs — lower go-forward depreciation, the two-schedule rule, boot taxed recapture-first, and state clawback filings — are all manageable if you plan the reinvestment carefully and keep clean basis records. Model your specific numbers and confirm the structure with a qualified intermediary and CPA before you close, because the deferral only holds if the mechanics are right from the start.
Frequently asked questions
Does a 1031 exchange eliminate depreciation recapture?
No — it defers it. The recapture carries into the replacement property through a lower basis and is owed when that property is eventually sold without another exchange.
Do I get to restart depreciation on the replacement property?
Yes, but on a lower basis. You get new depreciation on improvements, and a full 27.5-year schedule restarts, but the base depreciable amount is reduced by the deferred gain.
How is the deferred recapture taxed when I finally sell?
At the rates in effect then — up to 25% on unrecaptured Section 1250 gain and ordinary rates on any Section 1245 recapture, plus capital-gains tax on the rest, NIIT, and state tax. Deferral postpones the character and the tax, it does not convert recapture into lower-taxed capital gain.
If I take some cash out of the exchange, is that the recapture I owe?
Likely yes, at least first. Taxable boot is characterized recapture-first, so cash or debt relief you pull out is treated as depreciation recapture (up to 25% or ordinary rates) before any capital-gains rate applies.
Does cost segregation complicate a later 1031 exchange?
It can. Cost-segregated components are Section 1245 property, and fully deferring their recapture requires enough like-kind Section 1245 property in the replacement to absorb it. Have your QI and CPA confirm the 1245 carryover before closing.
Sources
- IRS Topic No. 409 — Capital Gains and Losses
- IRS Publication 544 — Sales and Other Dispositions of Assets
- IRS — Like-Kind Exchanges (Real Estate Tax Tips)
Educational information and estimates only. Not tax advice. Tax rules change and vary by situation; consult a qualified tax professional before acting.
