US Real Estate Investment 2026: Estate Tax Redefines Holding Structures

In mid-2026, wealth planning for Latin American individuals and families with U.S. real estate investments shifted decisively. The expiration of the generous federal estate tax exemptions established by the Tax Cuts and Jobs Act of 2017 (TCJA), and their reversion to pre-TCJA levels, reinstated this tax as the primary financial risk to mitigate. For a Non-Resident Alien (NRA), the exposure is critical: any U.S. situs assets, such as real estate, exceeding the meager $60,000 threshold are subject to a tax rate of up to 40%. This reality compels a comprehensive review of holding structures, particularly those designed over the past decade that may have prioritized income tax efficiency over estate protection.

For family office advisors and CFOs, the challenge is to design or reconfigure vehicles that offer a robust shield against the estate tax without creating prohibitive income tax inefficiencies or unsustainable regulatory complexities, both in the United States and in the investor's home jurisdiction. The choice among direct holding structures, trusts, or intermediary corporations, and whether these should be domestic or foreign, depends on a multifactorial analysis that today, more than ever, is dominated by the estate tax variable.

The Return of Estate Tax as the Planning Axis

The U.S. Internal Revenue Code (IRC) fundamentally distinguishes between estate tax treatment for U.S. citizens or tax residents (U.S. Persons) and NRAs. While the former enjoy an inflation-adjusted exemption in 2026 that, although reduced post-TCJA, remains in the several millions of dollars, NRAs face a drastically different reality. The IRC explicitly classifies real property physically located in the U.S. as U.S. situs assets. This applies whether the property is for personal use, such as a Miami condominium, or for commercial purposes, such as a New York office building. Direct ownership by the individual or through a fiscally transparent entity, like a single-member Limited Liability Company (LLC), does not alter this classification and exposes the full value of the asset to the estate tax.

The mechanics are stark. Upon the death of the NRA owner, the market value of the property is included in their U.S. taxable estate. After applying the minimal $60,000 exemption, the excess is subject to progressive rates that quickly reach 40%. This tax burden can force a hasty and suboptimal sale of the asset by the heirs to meet the tax obligation. The fundamental planning strategy, therefore, is to interpose an entity whose ownership by the NRA is not considered a U.S. situs asset. The classic solution is the ownership of shares in a foreign corporation. Under the IRC, shares of a non-U.S. corporation do not constitute a U.S. situs asset for estate tax purposes, even if the sole asset of that corporation is real property in U.S. territory. This simple interposition transforms the nature of the asset in the investor's hands from U.S. real property to a foreign security, thereby eliminating direct exposure to the estate tax.

Blocker Structures in 2026: Efficiency versus Complexity

The implementation of an intermediary foreign corporation, or "blocker corporation," is the cornerstone of planning, but its precise configuration varies according to the investor's objectives, mainly between income generation and personal use. For income-producing assets, such as commercial or residential rental properties, the structure must be optimized not only for estate tax but also for income tax and home country regulations.

A "single blocker" structure consists of an NRA owning 100% of a foreign corporation (e.g., incorporated in the British Virgin Islands or the Cayman Islands), which in turn directly owns the U.S. property. While this structure effectively solves the estate tax problem, it is fiscally inefficient for rental income. The foreign corporation, by earning income from a U.S. trade or business (Effectively Connected Income or ECI), is subject not only to federal and state corporate income tax but also to the Branch Profits Tax (BPT). The BPT is an additional 30% tax on repatriated or deemed repatriated earnings, which can raise the effective tax burden on income to levels above 50%. Additionally, for an investor resident in Colombia, the passive income earned by their Controlled Foreign Corporation (ECE), as the BVI corporation would be, would be subject to immediate attribution and taxation on their personal return in Colombia, under the rules of Law 2277 of 2022, neutralizing any tax deferral.

To overcome the inefficiencies of the BPT, the "double blocker" structure is used: the NRA owns a foreign corporation (ForeignCo), which in turn owns 100% of a U.S. corporation (USCo), which is the ultimate owner of the real estate. In this configuration, rental income is taxed at the USCo level at the prevailing U.S. corporate rates (federal and state, as in New York). The USCo can then distribute dividends to the ForeignCo. This distribution is is subject to a 30% withholding tax, which may be reduced if the ForeignCo is incorporated in a country with a favorable tax treaty with the U.S. Crucially, the BPT does not apply. From an estate tax perspective, the NRA still owns shares in a ForeignCo, so the asset remains protected. However, this structure entails a double layer of U.S. taxation (at the corporate level and on the dividend) and greater administrative complexity and cost, including reporting obligations under the Corporate Transparency Act (CTA) for the USCo.

Strategic Implications for Family Offices in 2026

The choice of structure in 2026 must be pragmatic and segmented. For high-value assets intended for personal use, where no income is generated, the single blocker structure (NRA -> ForeignCo -> Property) remains the most efficient. It solves the main problem, the estate tax, with the least administrative complexity. The absence of operating income avoids the complications of the BPT and Controlled Foreign Corporation (CFC) rules in jurisdictions like Colombia.

Conversely, for investment portfolios with rental income, the double blocker structure is the de facto standard. The advisor's task in 2026 is to accurately model the total tax burden, considering U.S. corporate tax (federal and state, differentiating between Florida, with no state corporate tax, and New York, which has one), dividend withholding, and the final taxation in the shareholder's country of residence. Optimization is no longer sought in deferral, often made impossible by CFC/ECE rules, but in minimizing the overall effective tax rate through careful planning and the potential use of treaty-beneficial holding jurisdictions.

The current environment demands a proactive audit of existing structures. Those implemented before 2018, under the umbrella of the high TCJA exemption, might be dangerously optimized for income tax at the cost of what is now an unacceptable estate tax exposure. Direct ownership through an LLC, for example, which was viable for certain profiles, now represents a significant wealth risk. Adapting these structures, whether by contributing the asset to a new corporate vehicle or reorganizing existing entities, is a strategic priority. The management of U.S. real estate assets by Latin American capital has entered a phase of greater defensive sophistication, where the preservation of capital against the U.S. estate tax burden is, once again, the paramount consideration.