Heightened geopolitical tensions across parts of the Middle East are prompting some expatriates to reconsider their long-term plans. For some, this may mean a rapid relocation. Hand in hand with that decision often comes another: whether to sell a residence. As broader economic uncertainty continues to unfold, including market instability, these decisions are increasingly being made under pressure.
Having lived in the region for 25 years, I am increasingly seeing expatriates weigh these decisions in real time with difficult conversations about contingency planning and relocation. Against this backdrop, for U.S. taxpayers, selling a home, whether located in the United States or abroad, a critical tax question is raised: can the gain on sale be excluded from income? This article outlines the key rules surrounding exclusion of gain on sale of the principal residence, particularly when a sale is driven by unexpected events or regional instability.
Gain Exclusion On Sale Of Principal Residence
Section 121 of the Internal Revenue Code allows taxpayers to exclude up to $250,000 of gain ($500,000 for married couples filing jointly) on the sale of a principal residence. With the current uncertainty in the Middle East, decisions to sell may be accelerated without fully understanding the tax impact. While the tax rules themselves have not changed, the circumstances under which taxpayers must apply these rules have changed very quickly.
Ownership And Occupancy Tests
To qualify for the Section 121 exclusion, a taxpayer must satisfy two tests, an ownership test and a use (occupancy) test. Under these rules, the taxpayer must have owned and used the property as a principal residence for at least two years (specifically, 730 days), during a five-year period that ends on the date of sale.
The two years of use need not be continuous. Taxpayers can aggregate multiple periods of residence to reach the 730-day threshold. However, the five-year lookback period is strictly applied. This lookback rule often causes difficulty for the American abroad. It can produce unintended results, especially in a case when the taxpayer delays a sale, even briefly, while assessing next steps.
The rules do provide some flexibility for “short, temporary absences,” which may still count toward the two-year use requirement. While not precisely defined, short vacations are generally acceptable, but extended absences (for example, due to employment overseas) are not. It often happens that an expatriate assignment begins as short-term but later evolves into a long stay. A taxpayer may leave a home in the United States intending to return within a year or two, only to remain abroad for much longer with the result that prior periods of use may fall outside the five-year lookback period and no longer count toward the two-year requirement.
Alternatively, a taxpayer may purchase a home overseas with the expectation of remaining long-term, but as some are experiencing now, feel forced to leave earlier than planned, resulting in the inability to satisfy the two-year use requirement. A taxpayer who is forced to leave a residence earlier than anticipated may simply not accumulate the required 730 days of occupancy needed to qualify for the full exclusion.
Don’t Wait Too Long
The five-year lookback period means that waiting too long to sell after moving out of the residence could result in the property no longer qualifying for the exclusion. Geopolitical uncertainty may cause taxpayers to delay making a firm decision to sell. They may wait for improved market conditions or greater stability. Such delays could inadvertently push the eventual sale outside the qualifying window.
Even taxpayers who are ready to sell may face a different problem. They may meet both the ownership and use tests yet still lose the exclusion benefit if instability renders the property difficult or even impossible to sell within the required timeframe. In such cases, market realities can effectively prevent use of the tax exclusion benefit.
Other Important Points
The gain exclusion can only be applied to the sale of one property every two years, measured on the date of sale, not the tax year. Taxpayers who own more than one property and alternate living in each of them may meet the use test for each. To benefit from the exclusion on the sale of both properties, the sales must occur at least two years apart.
Ownership structure is another critical factor. Section 121 would not apply when the residence is owned through a corporate or similar entity, simply because an entity cannot satisfy the “use” requirement. This issue arises more frequently in international contexts since properties may be held through corporate or foundation vehicles to satisfy inheritance planning needs or local law considerations. Placing the residence in a trust can also complicate matters, although the exclusion may still apply if the taxpayer is treated as the owner for U.S. tax purposes and meets the occupancy requirement.
Partial Gain Exclusion – Change In Employment, Health Or Unforeseen Circumstances
Even where the full ownership or use requirements are not met, Section 121 may still provide relief in the form of a partial exclusion. Partial relief is available when the sale is primarily due to a change in place of employment, health considerations, or unforeseen circumstances. The exclusion is prorated based on a special formula.
The Treasury Regulations provide safe harbor examples, including death, divorce or legal separation, certain health issues, and casualty events that affect the home. If the situation does not fit within the safe harbors, the IRS applies a facts-and-circumstances analysis to determine if the sale resulted from “unforeseen circumstances.” The focus is on whether the primary reason for the sale was an event that the taxpayer could not reasonably have anticipated at the time of purchasing and using the home.
For expatriates living in conflicted regions, this provision may be helpful. Suddenly having to change one’s employment location, facing unexpected job termination, or having to leave a country due to deteriorating conditions may support a claim for a partial gain exclusion. The partial exclusion depends entirely on the taxpayer’s specific facts. Current instability in parts of the Middle East may bolster a position that a sale was driven by unforeseen circumstances.
Given the fact-specific nature of the analysis, taxpayers should maintain clear documentation of the reasons for the sale, including timing, changes in local conditions, and any external factors prompting a departure. U.S. Embassy alerts and State Department advisories may be helpful here. Recent State Department guidance to Americans in the region has included warnings to consider departure, prepare for short-notice relocation, and anticipate limited government help. In some cases, the State Department has ordered departures of its U.S. personnel. Taxpayers should retain these advisories. They can help demonstrate that the decision to sell was driven by rapidly changing and unanticipated conditions rather than long-standing regional risks.
What About A Loss Sale?
Not all sales made in uncertain markets will result in gains. A principal residence sold at a loss is generally not tax deductible. However, net capital losses can offset capital gains. If losses exceed gains, individuals may deduct up to $3,000 per year against ordinary income. Any excess capital loss can be carried forward to future years. These rules will help the taxpayer having a broader portfolio of capital assets, even if they do not directly mitigate the loss on sale of the personal residence.
The Bottom Line
For U.S. expatriates, particularly those living in regions experiencing heightened risk and uncertainty due to due to ongoing geopolitical developments, selling a home is a difficult emotional and financial decision. It is also a tax-sensitive event.
Section 121 offers a valuable opportunity to exclude significant gains, but the rules are precise and strict when it comes to timing. The possibility of a partial exclusion provides an important safety net for those forced to sell due to circumstances beyond their control if the timing rules are not met.
A careful review of the facts and timely professional advice are essential. In cross-border situations, local laws, ownership structures, and U.S. tax rules intersect. The right planning can make the difference between a tax-efficient exit and an unexpected tax bill.
Posted March 31, 2026
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First published on Forbes March 25, 2026
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