As proposals to modify the 1031 exchange surface periodically, it's worth understanding the specific caps and limits that have been proposed, even though none has become law as of 2026. The most prominent is a proposed cap on the gain that could be deferred — limiting deferral to $500,000 per taxpayer ($1,000,000 for married couples). Other concepts have included limits on how often the exchange can be used. Understanding these proposals — what they are, how a cap would mechanically work, who would be affected, and how to plan around potential limits — helps investors think clearly about the policy risk without overreacting. As with any policy matter, the situation can change, and investors should consult current authoritative sources and their advisors. This guide examines the proposed caps and limits and what they might mean for investors, with the important caveat that these are proposals, not current law.
The proposals on the table
Several proposals to limit the 1031 exchange have circulated in policy discussions and budget proposals in recent years, though it's essential to note at the outset that none has been enacted as of 2026 — they remain proposals. The most prominent and concrete is a cap on deferrable gain (the $500,000 cap, discussed in detail below). Beyond that, other concepts have been floated, including limits on the frequency of exchanges (a one-exchange-per-lifetime idea) and restrictions tied to broader tax-reform packages.
These proposals share a common goal: curtailing the tax deferral the exchange provides, typically to raise revenue or limit a perceived tax advantage. They differ in approach — a deferral cap limits the amount deferred per exchange or per taxpayer, while a frequency limit restricts how often the exchange can be used. Each would constrain the exchange differently, affecting different investors and transactions.
It's worth emphasizing again that these are proposals that have been discussed or included in budget documents but have not passed into law. They indicate the kinds of limits policymakers have contemplated, providing a sense of the policy risk, but they don't reflect current rules — the exchange remains fully available without these limits as of 2026. The proposals on the table — primarily a deferral cap, along with frequency limits and other restrictions — represent the contemplated approaches to limiting the exchange, but none is current law. Understanding what's been proposed helps investors gauge the potential direction of any future changes, while remembering that these remain unenacted proposals. The proposals indicate possible future limits, not present rules, which is the crucial framing for considering them.
The $500,000 deferral cap
The most prominent and concrete proposal is the $500,000 deferral cap. Advanced in budget proposals during the Biden administration, it would limit the amount of gain that could be deferred through a like-kind exchange to $500,000 per taxpayer per year ($1,000,000 for married couples filing jointly). Gain above the cap would be recognized and taxed in the year of the exchange, rather than deferred. So an investor with a large gain could defer up to the cap but would pay tax on the excess.
Mechanically, this would mean that for an exchange generating, say, $1,500,000 of gain, a single taxpayer could defer $500,000 and would recognize (and pay tax on) the remaining $1,000,000. Smaller exchanges, with gains below the cap, would be unaffected — they could defer the full gain as under current rules. So the cap would target large exchanges (those with gains above $500,000/$1,000,000) while leaving smaller exchanges fully able to defer.
The cap's design reflects a goal of limiting the largest deferrals (those benefiting investors with very large gains) while preserving the exchange for ordinary, smaller transactions. By setting the cap at $500,000 per taxpayer, the proposal would allow most smaller investors to continue using the exchange fully while curtailing the deferral on large gains. Importantly, this cap was proposed but not enacted — it remains a proposal, not law. The $500,000 deferral cap — limiting deferred gain to $500,000 per taxpayer ($1,000,000 MFJ), with excess gain taxed — is the most concrete proposed limit, designed to target large exchanges while preserving smaller ones. Understanding how it would work (deferral up to the cap, tax on the excess) clarifies its potential impact, while remembering it remains unenacted. The $500,000 cap is the leading proposal to understand, though it's not current law.
Under the proposed $500,000 cap, an investor with a $1.5 million gain could defer $500,000 and would owe tax on the remaining $1 million — but this cap was never enacted.
One-exchange-per-lifetime and frequency ideas
Beyond the deferral cap, some policy discussions have floated frequency-based limits — most notably a one-exchange-per-lifetime concept. The idea would limit how many times an investor could use the 1031 exchange (e.g., once in a lifetime), rather than capping the amount per exchange. This would fundamentally constrain the serial-exchange strategy — the practice of exchanging repeatedly over time to continually defer gain — that's central to long-term 1031 wealth-building.
A frequency limit would work very differently from a deferral cap. A deferral cap limits the amount deferred (targeting large gains) but allows unlimited exchanges below the cap; a frequency limit allows large deferrals but only a limited number of times. The serial-exchange strategy (exchange after exchange, deferring continually, often until the step-up at death) would be curtailed by a frequency limit — investors could exchange only the allowed number of times, after which they'd face the tax.
These frequency concepts have been discussed but are less developed and concrete than the $500,000 cap, and like all the proposals, none has been enacted. They represent a different approach to limiting the exchange (constraining frequency rather than amount), indicating the range of contemplated limits. But they remain ideas in policy discussions, not law. One-exchange-per-lifetime and frequency ideas — limiting how often the exchange can be used, rather than the amount — represent an alternative approach to limiting the exchange, targeting the serial-exchange strategy. Understanding this approach (and how it differs from a deferral cap) rounds out the picture of contemplated limits, while remembering these frequency concepts, like the cap, remain unenacted proposals. The frequency ideas are a different potential constraint to be aware of, though not current law.
Who would be affected
Understanding who would be affected by these proposed limits helps investors assess their potential relevance. A $500,000 deferral cap would primarily affect investors with large gains — those whose exchange gains exceed $500,000 per taxpayer ($1,000,000 for couples). Investors with smaller gains (below the cap) would be largely unaffected, able to defer fully as under current rules. So the cap would mainly impact larger investors and larger transactions, while leaving most smaller exchanges untouched.
A frequency limit (like one-exchange-per-lifetime) would affect investors who use the serial-exchange strategy — exchanging repeatedly over time to build wealth through continual deferral. This includes long-term real estate investors who exchange multiple times across their careers. Such investors would be constrained by a frequency limit, facing tax after their allowed exchanges, whereas under current rules they can exchange indefinitely. So a frequency limit would particularly affect long-term, serial exchangers.
It's worth noting that even investors who would be affected by these proposals are affected only hypothetically, since the proposals aren't law. And the broad base of 1031 users — including many smaller investors, farmers, and middle-market investors who wouldn't hit a $500,000 cap or who exchange infrequently — would be less affected by these particular proposals, which is part of the political dynamic (the proposals target larger users while preserving the exchange for smaller ones). Who would be affected — primarily large-gain investors (by a deferral cap) and serial exchangers (by a frequency limit), with smaller and infrequent users less affected — helps investors assess the proposals' potential relevance to their situation. Understanding this (hypothetically, since the proposals aren't law) helps investors gauge whether such limits, if ever enacted, would affect them. But as of 2026, no one is actually affected, since the limits aren't in force.
Planning around potential limits
Given that these limits are proposed but not enacted, how should investors approach planning? The foundational principle is to plan with current rules — the exchange is fully available without these limits as of 2026, so current and near-term planning should use the exchange as it actually exists, not as proposals might change it. Making decisions based on unenacted proposals (e.g., rushing or avoiding exchanges out of fear of a cap) is generally unwarranted given the current intact status.
At the same time, investors with very large gains or long-term serial-exchange strategies — those who would be most affected if such limits were ever enacted — may want to be aware of the proposals in their long-term planning. This doesn't mean acting on unenacted proposals, but staying informed (with advisors) so they can respond if actual changes occur. If a limit were ever enacted, it would typically have an effective date, giving investors time to adjust their plans, complete pending exchanges, or accelerate strategies as appropriate.
The balanced approach is to use the exchange now under current rules for actual needs, stay informed about policy developments (especially for those who'd be most affected), and be prepared to adjust if actual changes are enacted — all while consulting current authoritative sources and advisors, since the situation can evolve. Overreacting to proposals (or assuming they'll never change) are both unwise; a measured, informed approach is best. Planning around potential limits — using the exchange under current rules, staying informed, and being prepared to adjust if changes are enacted — is the prudent approach to the proposed caps and limits. This lets investors benefit from the exchange now (fully available) while remaining aware of the policy risk, especially those who'd be most affected. Grounding planning in current rules while monitoring developments, with advisors and current sources, is the sensible way to navigate the proposed limits, which remain unenacted as of 2026.
- Proposals to limit 1031 — a $500,000 deferral cap ($1M MFJ) and one-exchange-per-lifetime concepts — have been floated but not enacted as of 2026.
- The $500,000 cap would tax gain above the cap while preserving full deferral for smaller exchanges.
- A deferral cap would mainly affect large-gain investors; a frequency limit would affect long-term serial exchangers.
- Plan with current rules (the exchange is fully available), stay informed, and be prepared to adjust if changes are ever enacted — verifying status with current sources.
The broader tax-policy context
The proposed 1031 caps and limits exist within a broader tax-policy context that helps explain them. They typically appear as part of larger revenue-raising or tax-reform packages, proposed alongside other changes to capital gains, the taxation of investment income, or the broader treatment of real estate. So the 1031 proposals aren't usually standalone — they're elements of broader fiscal proposals, which affects their likelihood and form.
This context matters because the fate of a 1031 limit often depends on the broader package's fate. The $500,000 cap, for example, was part of budget proposals that included many other tax changes; as those broader packages stalled or were modified, the 1031 cap went with them (not being enacted). So the 1031 proposals' prospects are tied to the larger tax-policy dynamics — the political feasibility of the broader packages they're part of.
Understanding this broader context helps investors interpret the proposals realistically. A 1031 limit floated in a budget proposal is one element of a large fiscal document, many elements of which don't become law. So the appearance of a 1031 cap in a proposal indicates a contemplated direction but, given the broader dynamics, doesn't signal imminent enactment. The broader tax-policy context — the proposed 1031 limits appearing within larger revenue and tax-reform packages, with their fate tied to those packages — helps investors interpret the proposals realistically: as elements of broader fiscal proposals subject to the full uncertainty of the legislative process. This context reinforces that the proposals, while worth understanding, are far from certain to be enacted, and that their prospects depend on broader political and fiscal dynamics. Seeing the proposals in their broader context aids a measured assessment of the policy risk.
How Baker 1031 helps you plan
Baker 1031 Investments helps investors plan their exchanges under current rules while being aware of the proposed limits. We help you use the exchange as it actually exists (fully available as of 2026), and for investors with large gains or long-term strategies who'd be most affected by potential limits, we help you stay informed so you can respond if actual changes occur. Our guidance is grounded in current rules, not unenacted proposals.
DST interests are securities offered through the broker-dealer, Aurora Securities, Inc. (member FINRA/SIPC), with any recommendation following a suitability review — DSTs remain fully available under current rules. We don't provide tax or legal advice or predict whether any proposals will be enacted (consult your CPA and current authoritative sources), but we help you use the exchange effectively now while being aware of the landscape. Our role is to help you plan and execute exchanges under the current intact rules, with a measured awareness of the proposed caps and limits, so you benefit from the exchange now while staying prepared for any future developments. Because the situation can change, we encourage verifying the current status with up-to-date sources and your advisors.
Frequently Asked Questions
Is there a cap on 1031 exchanges?
Not currently — as of 2026, there is no enacted cap on the gain deferrable through a 1031 exchange. A $500,000 cap ($1,000,000 for married couples) was proposed in budget proposals but was not enacted, so it isn't current law. The exchange currently allows full deferral of the qualifying gain without a cap. The proposed cap indicates a contemplated limit, but it remains a proposal, not a rule. Verify the current status with up-to-date sources, as policy can change.
What is the proposed $500,000 cap?
A proposal (from budget proposals during the Biden administration) to limit the gain deferrable through a like-kind exchange to $500,000 per taxpayer ($1,000,000 for married couples filing jointly), with gain above the cap recognized and taxed. For example, on a $1,500,000 gain, a single taxpayer could defer $500,000 and would pay tax on the remaining $1,000,000. It would target large exchanges while leaving smaller ones unaffected. Importantly, it was not enacted — it remains a proposal, not current law.
How would a deferral cap work?
Under the proposed $500,000 cap, you could defer gain up to the cap ($500,000 per taxpayer, $1,000,000 MFJ) and would recognize and pay tax on any gain above it in the year of the exchange. Exchanges with gains below the cap would be unaffected (full deferral). So the cap would target large-gain exchanges, allowing deferral up to the threshold and taxing the excess. This is how the proposal would mechanically work — but it's not enacted, so no cap currently applies.
What is the one-exchange-per-lifetime idea?
A floated concept to limit how often an investor could use the 1031 exchange (e.g., once in a lifetime), rather than capping the amount per exchange. It would curtail the serial-exchange strategy (exchanging repeatedly to defer continually). Unlike a deferral cap (which limits the amount), a frequency limit would restrict the number of exchanges. This concept has been discussed but is less developed than the $500,000 cap, and like all the proposals, it has not been enacted. It's an idea, not current law.
Who would a $500,000 cap affect?
Primarily investors with large gains — those whose exchange gains exceed $500,000 per taxpayer ($1,000,000 for couples). Investors with smaller gains (below the cap) would be largely unaffected, able to defer fully. So a cap would mainly impact larger investors and transactions, while most smaller exchanges would be untouched. This targeting (large gains affected, smaller ones preserved) is part of the proposal's design. But since the cap isn't enacted, no one is actually affected as of 2026.
Are these caps and limits in effect now?
No — as of 2026, none of these proposed caps or limits is in effect. The $500,000 cap and the frequency concepts were proposed in budget documents or discussions but were not enacted into law. The exchange currently operates without these limits — full deferral, unlimited frequency, under the established rules. The proposals indicate contemplated directions, but they're not current rules. Verify the current status with up-to-date authoritative sources, since policy can evolve over time.
Should I change my plans because of these proposals?
Generally no — since the proposals aren't enacted, current and near-term planning should use the exchange as it actually exists (fully available). Making decisions based on unenacted proposals (rushing or avoiding exchanges) is usually unwarranted. Investors with very large gains or long-term serial strategies (who'd be most affected if limits were enacted) may want to stay informed for long-term planning, but shouldn't act on proposals that aren't law. If changes were ever enacted, you'd typically have time to adjust. Consult your advisor.
How should I plan around potential future limits?
Plan with current rules (the exchange is fully available as of 2026), stay informed about policy developments (especially if you'd be most affected — large gains or serial strategies), and be prepared to adjust if actual changes are enacted. Avoid both overreacting to proposals and assuming nothing will ever change. If a limit were enacted, it would typically have an effective date giving time to adjust. This measured, informed approach — grounded in current rules with awareness of the landscape — is the prudent way to plan. Consult current sources and advisors.
Why do these proposals appear in budget documents?
Because they're typically part of larger revenue-raising or tax-reform packages — the 1031 limits are proposed alongside other tax changes as elements of broader fiscal proposals. So a 1031 cap appearing in a budget proposal is one element of a large document, many elements of which don't become law. The 1031 proposals' fate is tied to the broader package's fate (the $500,000 cap stalled along with the packages it was part of). This context helps interpret the proposals realistically — contemplated, but far from certain.
Would a cap apply to exchanges I've already done?
No — tax changes like this typically apply prospectively, with an effective date, to exchanges after that date. Completed exchanges under prior rules generally aren't retroactively affected. So if a cap were ever enacted, it would apply to future exchanges (after its effective date), not retroactively to exchanges you've already completed. But this is hypothetical, since no cap is enacted. If changes occur, the legislation would specify the effective date and application. Consult current sources for any actual changes.
How likely are these proposals to become law?
That's inherently uncertain and not something we predict. The proposals have been floated repeatedly but consistently stalled (none enacted as of 2026), and their fate is tied to broader tax-policy dynamics and political feasibility. The exchange's century-long survival of such proposals, the economic case for it, and its broad constituency of users have contributed to its endurance. But future outcomes are uncertain. For the latest on the proposals' status and prospects, consult current authoritative sources and your advisors, who monitor developments.
Where can I track the status of these proposals?
Consult up-to-date authoritative sources — Treasury revenue proposals and congressional records (for proposals), industry groups like the Federation of Exchange Accommodators (which track 1031 policy and advocate on it), major qualified intermediaries (which monitor developments), and your CPA or tax advisor. Because the situation can change, verify the current status rather than relying on a point-in-time summary. As of 2026, no caps or limits are enacted, but for the latest, check current sources and consult your advisors.
How would a cap interact with a partial exchange or boot?
A deferral cap would limit the gain you could defer, so gain above the cap would be recognized — functionally similar to receiving boot, in that the excess gain is taxed in the exchange year. Under the proposed $500,000 cap, you could defer up to the cap and would recognize the rest, much as boot is recognized in a partial exchange. The interaction with existing boot rules would be specified in any enacting legislation. But this is hypothetical, since no cap is enacted as of 2026 — currently, only actual boot triggers recognition.
Could a cap make DSTs more or less attractive?
Hypothetically, a deferral cap could affect how investors with large gains use exchanges, but it wouldn't change DSTs' fundamental role as a replacement option — DSTs would remain available for the deferrable portion of an exchange. Since no cap is enacted as of 2026, DSTs are fully available under current rules without any cap. If a cap were ever enacted, investors and advisors would assess how it affects their strategy, including replacement choices. For now, plan with current rules, where DSTs are a fully available, uncapped replacement option.
Glossary
- Deferral Cap
- A proposed limit on the gain deferrable through an exchange (e.g., $500,000), not enacted.
- $500,000 Cap
- The leading proposal — deferral limited to $500,000/taxpayer ($1M MFJ), with excess taxed.
- One-Exchange-Per-Lifetime
- A floated concept limiting how often the exchange could be used.
- Frequency Limit
- A limit on the number of exchanges, as opposed to the amount deferred.
- Serial-Exchange Strategy
- Exchanging repeatedly to defer gain continually, targeted by frequency limits.
- Recognized Gain
- Gain above a proposed cap that would be taxed in the exchange year.
- Married Filing Jointly (MFJ)
- The filing status with the proposed $1,000,000 cap (double the single cap).
- Effective Date
- When an enacted change would apply, typically prospectively.
- Prospective Application
- Applying a change to future (not past) exchanges, the usual approach.
- Budget Proposal
- An administration's proposed budget, where 1031 limits have appeared.
- Revenue-Raising Package
- A broader fiscal proposal that 1031 limits are typically part of.
- Tax-Reform Package
- Broader tax legislation within which 1031 proposals appear.
- Unenacted Proposal
- A proposal floated but not passed into law, as all 1031 limits remain as of 2026.
- Capital Gains Tax
- The tax the exchange defers, related to the proposals' revenue rationale.
- Step-Up in Basis
- The death-time reset that serial exchangers rely on, affected by frequency limits.
- Current Rules
- The exchange's actual rules — full deferral, no cap or frequency limit, as of 2026.
Sources & References
- U.S. Department of the Treasury. General Explanations of the Administration's Revenue Proposals
- Cornell Legal Information Institute. 26 U.S. Code § 1031
- IRS. Like-Kind Exchanges Under IRC Section 1031 (FS-2008-18)
- Federation of Exchange Accommodators. 1031 Like-Kind Exchange Advocacy and Resources
Disclosures
This article is published by Baker 1031 Investments, LLC for general educational purposes for accredited investors and is not an offer to sell or a solicitation of an offer to buy any security, nor is it tax, legal, accounting, or investment advice or a recommendation. Any securities offering is made solely through a sponsor’s private placement memorandum (PPM) following a suitability determination. Securities offered through Aurora Securities, Inc. (ASI), member FINRA / SIPC; Baker 1031 Investments is independent of ASI.
Oil & gas mineral and royalty interests and DST programs are speculative, illiquid securities sold only to verified accredited investors and involve substantial risk, including possible loss of principal, commodity-price and production-decline risk, lack of control, and the risk that an intended 1031 exchange fails to qualify for tax deferral. Whether a particular interest qualifies as like-kind real property is a fact-specific legal determination that varies by state and by the terms of the instrument. Tax results depend on your individual circumstances. Consult your own CPA and attorney before acting. Past performance does not guarantee future results.
