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Tax Strategy · 6 min read

FIRPTA and the foreign seller: 15% of the price, gone before the exchange starts

A foreign owner can absolutely do a 1031 exchange. The problem is that federal law tells the buyer to withhold 15% of the sale price first, and getting it released takes paperwork nobody starts early enough.

Yes, a foreign investor can do a 1031 exchange. Section 1031 says nothing about citizenship or residency; it cares about the property, not the passport.

That is the easy part, and it is not the part that goes wrong. What goes wrong is a separate federal law that sits between a foreign seller and their own sale proceeds. Under FIRPTA, the Foreign Investment in Real Property Tax Act, the buyer is legally obligated to withhold a slice of the purchase price and send it to the IRS whenever the seller is a foreign person. Generally 15% of the gross sale price, and a reduced 10% in the narrow case of a personal residence selling for $1,000,000 or less.

Read that again: 15% of the price, not the gain. On a $3,000,000 sale that is $450,000 leaving the table before your qualified intermediary sees a dollar of it. And an exchange that is short $450,000 of proceeds is an exchange with a very large hole in it.

Why the buyer is the one withholding

FIRPTA solves a collection problem, the same one behind state withholding on nonresident sellers, just at the federal level and with more teeth. The IRS cannot easily pursue a seller who lives abroad, so it makes the buyer the withholding agent and holds them liable if they fail. That is why buyers and their closing agents are inflexible about it: they are protecting themselves, not being difficult.

The consequence for you is that FIRPTA is not something you can talk your way out of at the table. It has to be handled with paperwork, in advance.

The good news: exchanges have a path out

The IRS accepts that a properly structured 1031 defers the gain, so there is nothing to prepay. The relief comes in one of two forms depending on how your exchange is built.

  • A simultaneous exchange can qualify for non-recognition treatment. The conditions are strict: the relinquished and replacement closings happen simultaneously, there is no boot whatsoever in the exchange, the seller notifies the buyer that no gain or loss is being recognized, and the buyer files a copy of that notice with the IRS within 20 days. Meet all of it and withholding can be avoided outright. Miss any element, including a small amount of boot, and you are back to withholding.
  • A delayed exchange, which is what most people actually do, uses a withholding certificate. You apply to the IRS for a certificate reducing or eliminating the withholding. Once the application is on file, the withheld funds can be held rather than remitted, and when the IRS issues the certificate the escrowed money is released so the exchange can proceed.

That second path is the realistic one for the standard 45-day and 180-day structure. It is also the one with a timing problem.

The timing problem nobody plans for

IRS withholding certificate applications are not fast. They take time to prepare and considerably longer to be processed, and your exchange clock does not pause while you wait. An exchange that is otherwise perfectly structured can be strangled by money sitting in escrow, unavailable to buy the replacement property, while a certificate works its way through the system.

Simultaneous exchange Delayed exchange (typical)
Relief mechanism Non-recognition notice IRS withholding certificate
Boot allowed None at all Boot is taxable as usual
Key deadline Buyer files notice within 20 days Apply before closing; processing takes time
Main risk One misstep restores withholding Funds locked while the clock runs

The practical answer is unglamorous: start the FIRPTA paperwork the moment a foreign-owned property goes under contract, not when escrow raises it. Everything about this is solvable with lead time and nearly unsolvable without it.

What we tell foreign clients

  • Confirm status early. Whether a seller is a foreign person for FIRPTA purposes is a determination, not an assumption, especially where entities, trusts, or mixed ownership are involved.
  • Get a US tax ID in place. Certificates and filings require identification numbers, and obtaining one is itself a lead-time item.
  • Decide simultaneous versus delayed deliberately. A simultaneous exchange avoids withholding entirely but demands perfect execution and zero boot. Most sellers are better served by a delayed exchange plus an early certificate application.
  • Assemble the team up front. A qualified intermediary experienced with foreign sellers, a US tax advisor, and a closing agent who has done this before. This is not the transaction to learn on.
  • Remember FIRPTA is federal. State withholding can apply on top of it, with its own forms and deadlines.

Foreign investors exchange US real estate successfully all the time. The ones who struggle are not tripped up by Section 1031; they are tripped up by a withholding rule they met three weeks too late. Cross-border exchanges carry genuine complexity and this is educational information rather than advice, so your US tax advisor and attorney determine what applies to your situation. Getting that team assembled before the property is listed is exactly what our exchange process is built to coordinate.

Questions we field about FIRPTA and 1031 exchanges

Can a foreign investor do a 1031 exchange?

Yes. Section 1031 does not restrict eligibility by citizenship or residency. The complication is FIRPTA withholding on the sale, not the exchange itself.

How much is FIRPTA withholding?

Generally 15% of the gross sale price, reduced to 10% in the limited case of a personal residence sold for $1,000,000 or less. It is calculated on the price, not on your gain, which is why the amount can be so large.

Can withholding be avoided in an exchange?

It can be eliminated in a properly structured simultaneous exchange with no boot, where the required notice is given and the buyer files it with the IRS within 20 days. In a delayed exchange, you apply for a withholding certificate to reduce or eliminate it instead.

What is a withholding certificate?

An IRS determination that reduces or eliminates the required withholding. Filing the application before closing generally allows the funds to be held rather than remitted, and they are released once the certificate is issued.

When should the paperwork start?

As soon as the property goes under contract. Certificate applications take time to prepare and process, while the 45- and 180-day exchange deadlines keep running regardless.

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