In a reverse exchange you close on the replacement property before selling your old one — solving the 'I found the perfect building but haven't sold yet' problem. Since you can't own both, an Exchange Accommodation Titleholder parks title to one property for up to 180 days under the IRS safe harbor. It works, it's respected, and it costs several times what a standard exchange does — worth it exactly when the property is worth it.
The standard exchange assumes a polite sequence: sell, then shop. Real markets don't cooperate. The ideal replacement property surfaces before your sale — and in a competitive market, "I'll buy it once my building sells" loses to any buyer with cash. The reverse exchange flips the order: acquire the replacement now, sell the relinquished property within 180 days.
You can't simply buy the new property yourself — a core rule of 1031 is that you can't own both properties simultaneously and call it an exchange. The IRS solved this in Revenue Procedure 2000-37 with a safe harbor: an Exchange Accommodation Titleholder (EAT) — typically an LLC created by your QI's affiliate — takes title to one of the properties and "parks" it.
In the common structure, the EAT acquires and holds the replacement property (usually funded by your cash or a loan you arrange — lender cooperation required, since the borrower of record is the EAT). You typically lease or manage the property in the meantime. When your old property sells, a standard exchange completes through the QI, and the EAT transfers the replacement to you. From the parking date you get familiar numbers: 45 days to formally identify what you'll sell, 180 days to finish everything.
The 180 days is the hard edge. In a standard exchange, day 180 threatens your purchase. In a reverse, it threatens your sale — if the old property hasn't sold in time, the safe harbor lapses. You'll own two properties, the parking structure unwinds outside the safe harbor's protection, and the clean version of the strategy is gone. A reverse exchange on a hard-to-sell property is a bet on your own listing.
Meaningfully more than the $750–$1,500 standard exchange. Between the EAT setup, the parking LLC, additional legal work, and lender accommodations, reverse exchanges commonly run $4,500–$8,500+, plus carrying costs of owning two properties at once (or financing the parked one). Against a large deferred gain on a genuinely superior property, that's cheap. Against a marginal deal, it's the tail wagging the dog.
Financing is the choke point. Many lenders balk at lending to an EAT; you want a lender who's done this before, identified before you're under contract. You need liquidity. Your equity is still trapped in the unsold property, so the replacement purchase needs bridge cash or bridge debt. Combination structures exist — reverse-plus-improvement (the EAT holds while exchange funds build), and partial reverses. Each adds cost and paperwork in proportion to its cleverness. Start the sale immediately. The investors who cruise through reverses list the relinquished property before, or the same week as, the parking closing — not month three.
A strong case: an exceptional replacement property you'd genuinely regret losing; a hot market where your old property will move quickly; the liquidity to carry the bridge; and a gain large enough that the extra cost is noise. A weak case: using a reverse to procrastinate on selling, or reaching for it when a well-negotiated closing date and a standard exchange would do. Sequence is cheaper than structure — exhaust the simple version first.
Done inside the Rev. Proc. 2000-37 safe harbor and its deadlines, it's a well-trodden, respected structure. Outside the safe harbor ("non-safe-harbor parking" beyond 180 days), you're in facts-and-circumstances land — possible, litigated, and strictly a specialists' game.
Yes — typically you master-lease it from the EAT and operate it, collecting the economics, which is part of the standard structure.
You keep the new property (the EAT transfers it to you), you still own the old one, and no exchange occurs — meaning when the old one eventually sells, the gain is taxable unless a new exchange is structured. Expensive, not catastrophic. Plan the listing like the deadline is real, because it is.
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