Exchanging property with a related party is legal under Section 1031, but the rules governing it exist specifically to stop a narrow abuse: two related owners swapping properties to reset basis or cash out a low-basis asset while both technically claiming deferral. A Miami family that owns several properties across siblings, parents, or a family LLC needs to understand Section 1031(f) before assuming a deal between relatives works the same as one with a stranger.
A related party generally includes family members such as siblings, spouses, ancestors, and descendants, along with entities in which you hold a significant ownership interest, commonly defined as more than 50%. An exchange with an unrelated buyer or seller, even one you know personally through Miami business circles, does not trigger these special rules.
The Two-Year Holding Requirement
The core rule under Section 1031(f) requires both parties to a related-party exchange to hold their respective properties for at least two years after the exchange. If either party disposes of the property they received within that two-year window, the deferred gain from the original exchange becomes taxable retroactively, as if the exchange had never qualified for deferral in the first place. This applies even if only one side of the two related parties sells early; the other party's deferral can be disqualified too.
Why This Rule Exists
Without the two-year requirement, a parent could exchange a low-basis Miami rental property with an adult child, receive a higher-basis property in return, and sell it shortly after with little taxable gain, effectively stepping up basis without paying tax on the appreciation. The holding period closes that door by forcing both sides to actually hold the properties they received, converting what would otherwise be a basis-shifting maneuver into a genuine long-term exchange.
Common Traps Miami Families Run Into
The most frequent mistake is a related-party exchange done for entirely legitimate reasons, such as consolidating a family's rental portfolio, where one side later needs to sell earlier than planned due to divorce, illness, or an unrelated financial need, unaware that the early sale reaches back and disqualifies both parties' original deferral. Another common trap involves family LLCs and trusts, where the related-party definition catches an entity structure the family did not realize counted as related, because ownership crossed the 50% threshold through combined family interests rather than any one person's direct stake.
Exceptions and What Still Works
Certain involuntary events, such as the death of one of the parties, generally do not trigger the two-year disqualification. There are also narrow exceptions where the IRS finds no tax avoidance purpose behind an early disposition, though relying on that exception without a clear non-abusive business reason documented at the time of the exchange is a weak position to be in if the return is examined. A qualified intermediary and CPA who ask about family ownership structures upfront, before the exchange closes, are trying to catch this issue while there is still time to plan around it.
Common 1031 Exchange Questions
Who counts as a related party under Section 1031(f)?
Generally family members such as siblings, spouses, ancestors, and descendants, along with entities in which you hold more than 50% ownership. A business associate or unrelated buyer does not trigger these rules.
What happens if I sell property received in a related-party exchange after eighteen months?
Selling before the two-year holding requirement is met generally disqualifies the original exchange retroactively, making the previously deferred gain taxable, potentially for both parties involved in the exchange.
Does the two-year rule apply if the other party sells early, even if I don't?
Yes. An early disposition by either party to a related-party exchange can disqualify the deferral for both sides, not just the party who sold.
Can a family LLC be considered a related party even if no single family member owns more than 50%?
Yes, potentially. Combined family ownership interests can cross the 50% threshold even when no individual holds a majority alone, which is why family entity structures need careful review before an exchange.
Are there any exceptions to the two-year holding requirement?
Death of one of the parties generally does not trigger disqualification, and there is a narrow exception where no tax avoidance purpose is found, though relying on that exception without documented reasoning is a weak position.
Why do related-party exchanges get extra scrutiny?
Because without the two-year rule, related parties could swap low-basis and high-basis properties to effectively step up basis and sell shortly after with little taxable gain, which the rule is specifically designed to prevent.



