LearnTaxes, Rules & Structure · 4 min read

Foreign Investors & REIT Taxes (FIRPTA)

FIRPTA is a U.S. law that can tax foreign investors on REIT-related gains that might otherwise escape U.S. tax

What FIRPTA is

The Foreign Investment in Real Property Tax Act of 1980, commonly shortened to FIRPTA, is a U.S. law aimed at a specific gap: without it, a foreign investor selling U.S. real estate at a gain might owe little or no U.S. tax on that gain, since nonresidents generally aren't taxed on U.S. capital gains the way U.S. residents are. FIRPTA closes that gap by treating gains from the sale of "U.S. real property interests" as taxable in the United States, regardless of the seller's residency or where the sale takes place. It's sometimes described as one of the few areas where U.S. tax law applies more directly to foreign investors than to domestic ones in a specific asset class.

Why REITs get pulled into it

Stock in a REIT can itself count as a U.S. real property interest, which means FIRPTA's reach extends to REIT shares, not just to direct ownership of a building or a piece of land. That connects REIT investing to a body of law most domestic stock investors never have to think about, and it's a big part of why The REIT Structure (Trust, OP, TRS) can matter to a foreign holder in ways it doesn't for a domestic one.

The publicly traded stock exception

There's meaningful relief built into the law for the kind of REIT investing most people do. Under current rules, a foreign investor who holds stock in a REIT that's regularly traded on an established securities market is generally exempt from FIRPTA treatment on gains from selling that stock, as long as they haven't held more than a set ownership threshold, currently 10%, of that class of stock during a specified look-back period. This exception is a major reason foreign investment flows so freely into publicly traded U.S. REITs despite FIRPTA's existence, and it's one reason publicly traded REITs are treated differently from direct ownership of a single property.

Domestically controlled REITs

Separately, a REIT can qualify as "domestically controlled" if foreign persons have held less than a set threshold of its stock over a testing period, generally measured over several years. Foreign investors selling stock in a domestically controlled REIT generally avoid FIRPTA treatment on that sale as well. Whether a particular REIT qualifies as domestically controlled isn't something an investor can easily determine from the outside — it depends on the REIT's full ownership records, which the company itself tracks for compliance purposes.

Distributions and withholding

Beyond the sale of shares, FIRPTA rules can also affect how ongoing distributions are taxed and withheld when a distribution is attributable to the REIT's own gain on selling real property, as distinct from ordinary rental income. Brokers and REITs may be required to withhold U.S. tax up front on certain payments to foreign holders, with the exact treatment depending on the type of distribution, tax treaties between the U.S. and the investor's home country, and paperwork such as Form W-8BEN establishing foreign status. Tax treaties can reduce, but generally do not eliminate, this kind of withholding, and claiming a treaty benefit typically requires its own paperwork separate from the FIRPTA rules themselves.

Why this is specialist territory

FIRPTA sits at the intersection of U.S. tax law, securities classification, and international tax treaties. It's genuinely technical, the ownership thresholds and definitions have changed by legislation before, the publicly traded stock exception's threshold was raised by Congress in 2015, for example, and treaty benefits vary considerably by country. Nothing here should be read as advice for a specific investor. If you're a non-U.S. person considering U.S. REIT investments, a cross-border tax professional familiar with both your home country's rules and U.S. tax law is the right resource, not a general research site. See also REIT Compliance and Regulation for the broader regulatory picture, and the glossary for quick definitions of terms used here.

Key takeaways
  • FIRPTA is a U.S. law that can tax foreign investors on gains tied to U.S. real property, including certain REIT stock.
  • A widely used exception generally shields foreign holders of publicly traded REIT stock who stay under a set ownership threshold.
  • REITs that are "domestically controlled" offer a separate path around FIRPTA treatment on stock sales.
  • Rules, thresholds, and treaty treatment are technical and have changed by legislation before — this is a specialist area.

See it in the data: REIT directory → Glossary →

Research and education only — nothing here is investment advice. Figures such as the 90% distribution rule are general and can change; always confirm against a company's filings.

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