One of the primary advantages of a 1031 Exchange is the ability to defer capital gains taxes when selling investment real estate and acquiring qualifying replacement property. However, whether an exchange qualifies for full or partial tax deferral depends on how the transaction is structured.

Understanding the distinction can help investors maximize tax benefits while avoiding unexpected taxable gain.

What Is a Fully Tax-Deferred 1031 Exchange?

A fully tax-deferred 1031 Exchange allows investors to defer capital gains taxes by reinvesting the proceeds from the sale of investment property into qualifying like-kind replacement property.

To generally achieve full tax deferral, an investor should:

• Purchase replacement property equal to or greater in value than the relinquished property.
• Reinvest all net sale proceeds.
• Replace any debt paid off on the relinquished property with new financing or additional cash.

When these requirements are satisfied, the exchange may qualify for complete tax deferral under Section 1031.

What Is a Partial 1031 Exchange?

A partial 1031 Exchange occurs when an investor chooses—or is unable—to fully reinvest the proceeds from the sale.

This commonly happens when an investor:

• Purchases replacement property with a lower purchase price.
• Retains a portion of the sale proceeds.
• Does not fully replace existing mortgage debt.

The portion of the transaction that does not qualify for tax deferral is known as boot and may be subject to capital gains tax and depreciation recapture.

Although a partial exchange creates taxable gain, the remaining portion of the transaction may still qualify for significant tax deferral.

Understanding Boot

Boot refers to cash, debt relief, or other non-like-kind property received as part of a 1031 Exchange.

Receiving boot does not invalidate the exchange. Instead, it simply creates taxable gain equal to the lesser of:

• The amount of boot received, or
• The realized gain on the sale.

The remainder of the exchange continues to receive tax-deferred treatment.

Important Considerations

Can I Receive Cash at Closing?

Yes.

Investors may receive cash from the sale of the relinquished property. However, any cash retained rather than reinvested generally becomes taxable boot, while the balance of the exchange may continue to qualify for tax deferral.

What Happens If I Don’t Replace My Debt?

To achieve full tax deferral, debt paid off during the sale generally should be replaced with:

• New financing, or
• Additional cash contributed toward the replacement property.

If the debt is not replaced, the reduction in debt may be treated as taxable boot.

Proper planning with your Qualified Intermediary, tax advisor, lender, and closing professionals can help minimize unintended tax consequences.

Examples of Partial Exchanges

Taking Cash at Closing

Example

Lila sells her rental property for $1,000,000 and decides to keep $100,000 to invest elsewhere rather than reinvesting the full amount into replacement property.

Because the cash was not reinvested, the $100,000 is considered taxable boot.

Purchasing Lower-Value Replacement Property

Example

Lila sells her investment property for $1,000,000 but purchases replacement property valued at $800,000.

Since $200,000 was not reinvested into qualifying replacement property, that amount generally becomes taxable boot.

Failing to Replace Debt

Example

Lila sells a property for $1,000,000 that carries a $500,000 mortgage.

She purchases replacement property worth $800,000 and reinvests her equity but does not replace the remaining debt.

Because the mortgage balance was reduced without being offset by new financing or additional cash, the unreplaced debt may be treated as taxable boot.

Strategies That May Help Achieve Full Tax Deferral

If your objective is to maximize tax deferral, consider the following strategies:

Reinvest All Sale Proceeds

Rather than taking cash at closing, reinvest all proceeds into replacement property. If liquidity is needed, discuss the possibility of completing a separate cash-out refinance after the exchange has been completed.

Offset Taxable Gain

In certain situations, taxable boot may be offset through available capital loss carryforwards or other deductible expenses, subject to the advice of your tax professional.

Consider Additional Replacement Property

If suitable replacement property cannot be located at an equivalent value, investors may consider acquiring additional replacement interests, including qualifying fractional ownership structures such as Delaware Statutory Trusts (DSTs), which can help satisfy replacement value requirements while maintaining tax deferral.

When Does a Partial Exchange Make Sense?

A partial exchange can still provide meaningful tax benefits.

The key consideration is determining how much of the transaction remains tax deferred versus how much becomes immediately taxable.

For some investors, accessing liquidity today while deferring a substantial portion of the gain may represent a practical long-term strategy. For others, retaining too much cash or reducing debt significantly may diminish the overall benefits of completing a 1031 Exchange.

Evaluating the numbers before closing with your tax advisor and Qualified Intermediary can help determine which approach best aligns with your investment objectives.

Planning Is Key

Whether your goal is full tax deferral or a partial 1031 Exchange, careful planning before the sale closes is essential. Working closely with your Qualified Intermediary, tax advisor, legal counsel, and other professionals can help structure the exchange to meet your investment objectives while remaining compliant with IRS requirements.