---
title: "Reverse 1031 Exchange: How to Buy Before You Sell and Still Defer the Tax"
description: "A reverse 1031 exchange lets you buy your replacement property before selling the old one. How the accommodator structure works, what it costs, and when it pays off."
published: "2026-08-24"
canonical: "https://blog.saltharborrealestate.com/blog/reverse-1031-exchange"
author: "Everitt Gill"
---

A reverse 1031 exchange lets a real estate investor buy the replacement property before selling the one they are giving up, while a third party called an exchange accommodation titleholder temporarily holds title to one of the two properties so the trade still qualifies for tax deferral under IRS Revenue Procedure 2000-37. It is a forward 1031 run backward: you close on the new property first and sell the old one second. The same 45-day identification window and 180-day completion deadline apply, and the extra holding entity makes it cost more than a standard exchange.

On a barrier island where the right investment property lists maybe twice a year, that order matters. A beach-block duplex or a storefront on Centre Street comes up, you want it, and there is no time to sell your current rental first and pray the new one is still available four months later. The reverse exchange was built for that bind. You grab the property now and settle the tax side after.

It is the more expensive and more demanding cousin of the standard exchange, so most investors never need one. But when inventory is thin and the clock on a good deal is short, it can be the only way to keep both the property and the deferral.

## Reverse vs. standard 1031: what is the difference?

The difference is order and who holds title. A standard (forward) 1031 sells the old property first, parks the proceeds with a qualified intermediary, and buys the replacement within 180 days. A reverse 1031 flips that. You acquire the new property first, an accommodator holds title to one of the two properties, and you sell the old one second. Same deadlines, higher cost, and you need cash or financing up front instead of waiting on your sale to fund the purchase.

| | Standard (forward) 1031 | Reverse 1031 |
|---|---|---|
| Order of the trade | Sell first, buy second | Buy first, sell second |
| Who holds title in between | A QI holds the cash; you never touch it | An accommodator (EAT) parks one property on title |
| Where the purchase money comes from | Your sale proceeds | Cash or financing you bring up front |
| Deadlines | 45 days to identify, 180 to close | 45 days to identify the sale, 180 to finish |
| Typical accommodator cost | $600 to $1,500 | $3,500 to $7,500 and up |
| Safe harbor | Section 1031 | Rev. Proc. 2000-37 |

The practical line between them is cash. In a forward exchange your sale writes the check for your purchase. In a reverse exchange the sale has not happened yet, so you have to fund the buy some other way (cash, a line of credit, or a loan the accommodator can work with) and get reimbursed once the old property sells.

The qualified intermediary still matters here, just in a different seat. If you are new to the QI role and why you can never touch the money yourself, the [qualified intermediary page](https://blog.saltharborrealestate.com/blog/1031-exchange-qualified-intermediary) covers it in full.

## How does a reverse 1031 exchange work?

A reverse 1031 runs through a Qualified Exchange Accommodation Arrangement, the safe harbor the IRS spelled out in Revenue Procedure 2000-37. You hire an exchange accommodation titleholder (EAT), usually an entity formed by your accommodator, to "park" one of the two properties on title while you line up the other side of the trade. There are two ways to do it.

Park the replacement (also called "exchange last") is the common one. The EAT takes title to the property you are buying and holds it. You then have 45 days to formally identify the property you intend to sell, and 180 days from the parking date to sell it and have the EAT transfer the new property to you. Until then you typically lease the parked property back from the EAT and cover its costs, so you can use it while the structure plays out.

Park the relinquished ("exchange first") is the reverse of that. The EAT takes title to your old property, you take title to the new one immediately, and the EAT sells the old property within 180 days. Investors use this version when a lender will not write a mortgage with an accommodator on the deed to the new purchase.

Say you own a long-held rental cottage near the historic district and a rare oceanfront duplex in [Fernandina Beach](https://blog.saltharborrealestate.com/blog/fernandina-beach) hits the market. You are not going to sell the cottage and bet the duplex waits. So your accommodator forms an EAT, the EAT closes on the duplex with funds you provide, and it holds title and leases it back to you. You list the cottage, identify it within 45 days as the property you are relinquishing, and close that sale inside 180 days. When it sells, the EAT deeds the duplex to you and the proceeds settle up. The gain on the cottage rolls into the duplex untaxed.

Either way the deadlines are the same calendar-day clock as a standard exchange, with no weekend or holiday grace. The day-counting, the concurrent 45- and 180-day windows, and the disaster-relief exception are laid out on the [timeline page](https://blog.saltharborrealestate.com/blog/1031-exchange-timeline). The same-taxpayer rule still applies too: the entity that ends up owning the replacement has to match the one that sold the relinquished property.

## Are these exchanges still allowed by the IRS?

Yes. Reverse exchanges have been explicitly sanctioned since September 15, 2000, when the IRS issued Revenue Procedure 2000-37 and created the safe harbor that protects a parking arrangement of up to 180 days. As long as you stay inside that window and follow the QEAA rules, the IRS will not challenge who held title in the middle.

Two caveats. First, the safe harbor caps the parking period at 180 days, with no extensions short of a federally declared disaster. Miss it and you lose the protection. Second, non-safe-harbor reverse exchanges (parking arrangements that run longer than 180 days) do exist and have survived in court, but they carry real risk and a higher legal bill, and they are not something to attempt without an experienced tax attorney. For almost everyone, the 180-day safe harbor is the whole game.

## What does a reverse exchange cost?

A reverse exchange costs several times what a forward one does. The accommodator's fee for the EAT and the QEAA paperwork typically runs in the $3,500 to $7,500 range and up, compared with roughly $600 to $1,500 for a standard exchange's qualified intermediary. On top of the fee you pay to carry two properties at once: property taxes on both, two insurance policies, and possibly two loans for as long as the parking lasts.

In coastal Nassau County that carrying cost is not trivial. A windstorm and flood policy on a beach-block property you are holding for a few months is real money, and you are paying it on the parked property and your existing one at the same time. For a full breakdown of QI fees, per-property add-ons, and how the reverse premium stacks up against the tax you defer, see the [dedicated cost page](https://blog.saltharborrealestate.com/blog/1031-exchange-cost).

The fee is fixed-ish. The tax you are protecting is not. That gap is the whole decision, which is the next question.

## Is a reverse exchange worth it on a smaller property?

It comes down to the size of the tax against the cost and hassle of the structure. A reverse exchange earns its premium when you are deferring a large gain and the replacement property is rare or time-sensitive enough that you cannot wait to sell first. On a property with a modest gain, a $5,000-plus accommodator fee plus months of double carrying costs can swallow much of what you were trying to save.

Run the math on what you are actually deferring. Federally that can include [long-term capital gains tax](https://blog.saltharborrealestate.com/blog/how-to-avoid-capital-gains-tax-on-real-estate), depreciation recapture (taxed up to 25%), and the 3.8% net investment income tax. Florida has no state income tax, so the bill you are protecting is federal only. In a high-tax state the same exchange would also shelter state tax, which means a Florida investor has a slightly higher bar to clear before the reverse premium pays for itself.

The real gate, though, is usually financing, not arithmetic. Many lenders will not place a loan on a property while an accommodator holds title, so you often need to fund the purchase with cash or a short-term loan and refinance once your old property sells. If you cannot cover the buy without the proceeds from the sale, a reverse exchange may not be available to you no matter how good the math looks.

When a client at Salt Harbor is eyeing a replacement before their current property is even listed, this is the first conversation we have: can you fund the purchase up front, and is the deferred tax big enough to justify the structure. If both answers are yes, a reverse exchange protects the deal and the deferral. If not, a standard sequenced exchange (sell first, then buy) is cheaper and simpler.

## A short checklist before you call an accommodator

Line up the accommodator before you go under contract, not after. The EAT has to take title at closing, so the structure has to be in place beforehand.

Confirm your financing in writing. Ask the lender directly whether they will lend with an EAT on title, and if not, plan for the exchange-first structure or a short-term loan.

Keep the same taxpayer on both ends. The buyer of the replacement must match the seller of the relinquished property, or the deferral breaks.

Count 180 days from the parking date and work backward. Identify the property you are selling within 45 days, and leave yourself margin to actually close the sale inside the window.

The rules that govern all of this (the like-kind requirement, the equal-or-greater-value test, the same-taxpayer rule) are the same ones that govern a standard exchange. The [1031 rules hub](https://blog.saltharborrealestate.com/blog/1031-exchange-rules) ties them together if you want the full picture before deciding whether the reverse version is right for your deal.