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DST Loans and Leverage: How to Match Debt in a 1031 Exchange

By Jerry Baker

A leveraged DST may help replace the debt paid off when you sell property in a 1031 exchange. The useful number is the debt allocated to your actual investment, not just the offering's advertised loan-to-value ratio. Compare that debt with your exchange figures, and review the loan's risks before deciding whether the investment fits.

What debt does in the exchange calculation

Paying off a mortgage at closing does not make that part of the property's value disappear. Your sale may produce cash for the exchange after the lender is paid. But the tax calculation also accounts for relief from the old debt.

For full deferral, the usual planning goal is to reinvest the exchange proceeds and acquire enough qualifying replacement value. New debt, additional cash, or both can address the old debt. The final answer depends on the closing costs, liabilities, property received, and other facts. [1]

This is not a rule that forces every investor to get a mortgage. An investor may add cash and use debt-free property instead. Nor does meeting a debt target prove that the entire exchange qualifies. Property use, ownership, timing, and the exchange structure still matter.

I separate the process into two reviews. First, does the proposed mix work for the exchange? Second, does the real estate and its loan make sense as an investment? A spreadsheet can answer part of the first question without settling the second.

Start with verified sale figures

Ask your CPA and qualified intermediary, or QI, to reconcile the sale closing statement. You need the cash held for the exchange, the debt paid off, and the replacement target after proper adjustments. A rough estimate before closing is useful, but update it when the final figures arrive.

Keep at least these figures distinct:

Do not label every debit on the closing statement an exchange expense. Loan charges, taxes, prorations, and selling costs can receive different treatment. Have the preparer classify them rather than subtracting everything from the target with one formula. Form 8824 separates cash, other property, liabilities, and allowable exchange expenses. [2]

For the examples below, assume $1.2 million of exchange cash, $800,000 of debt to address, and a $2 million qualifying replacement target. These are simplified hypothetical figures. Assume no further fees, tax adjustments, or other property unless stated.

How a DST interest can carry debt

A financed DST has debt at the property or trust level. Your share of that debt can be part of the economics and tax treatment of the interest you acquire. The sponsor should provide the exact allocation for your subscription.

In Revenue Ruling 2004-86, the IRS treated owners in the described DST as owning interests in its underlying property for federal tax purposes. The property was subject to a nonrecourse loan. The conclusion depended on that trust's terms and facts; it was not approval of every product called a DST. [3]

Tax debt allocation is not the same thing as signing a new personal mortgage. IRS instructions generally treat nonrecourse debt as assumed by a person who receives property subject to it, with stated exceptions. Your advisers must confirm the actual structure and allocation. [2]

Obtain a written illustration for the amount you plan to invest. It should state the cash contribution, ownership interest, allocated debt, and relevant gross amount. Reconcile it with the PPM and final closing records. Do not rely solely on a rounded percentage in a card or marketing sheet.

Ask what the LTV percentage measures

LTV means loan-to-value: debt divided by a stated value. The denominator is crucial. A lender may use an appraisal. A sponsor may show acquisition price. An investor exchange illustration may use a total offering amount that includes fees and other costs.

Those ratios can differ even when they use the same loan. Suppose debt is $12 million, the property purchase price is $20 million, and total investor capitalization is $22 million. Debt is 60% of purchase price but about 54.55% of total capitalization.

The lower second ratio does not mean the lender has less debt against the same building. It reflects a different denominator. It also does not prove that every dollar of total offering cost is qualifying real estate value for your exchange.

Ask for both views: the property loan measures used for risk analysis and the exact cash/debt schedule for your investment. Have the CPA review the tax treatment of fees and other assets. Keep the labels visible instead of calling every version simply “LTV.”

Calculate debt per dollar of equity

For a simplified illustration where equity plus debt equals the same total value used in the ratio, these formulas work:

Use decimals in the formulas: 60% is 0.60. For a 0% LTV offering, allocated debt is zero; the last formula cannot be used. These are planning formulas, not a substitute for the sponsor's actual schedule or a tax review.

Illustrative LTVCash investedAllocated debtGross amount
0%$100,000$0$100,000
40%$100,000$66,666.67$166,666.67
50%$100,000$100,000$200,000
60%$100,000$150,000$250,000

At 60%, each dollar of equity corresponds to $1.50 of debt in this model. That is why multiplying a $100,000 cash investment by 60% gives the wrong debt answer. The percentage applies to the gross amount, not only to the equity.

Rounding also matters. Use full precision while planning, then reconcile the final allocation to accepted subscription amounts and sponsor records. A rounded display can conceal a small shortfall when you are trying to match a target exactly.

Match one DST or build a blend

With $1.2 million in cash and an $800,000 debt target, the overall modeled LTV is 40%: $800,000 divided by $2 million. A suitable offering with that exact cash/debt relationship could fit the simplified target.

You do not have to find one offering at that percentage. Suppose you use a 60% LTV DST and a debt-free DST. The leveraged investment would need about $533,333.33 of equity to allocate $800,000 of debt. That comes from $800,000 × 0.40 ÷ 0.60.

The remaining roughly $666,666.67 of exchange cash could go to the debt-free investment. Together, the modeled interests have $1.2 million of equity, $800,000 of debt, and $2 million of gross value. Exact amounts would need to meet available allocations, minimums, and final rounding.

This is a math example, not a suggested allocation. Both investments still need to fit your goals. A debt-free property with weak tenants is not automatically a good companion to a leveraged property. The number of sponsors and properties alone does not establish useful diversification.

Also check that the gross figures used here match the qualifying values your tax team accepts. An offering's fees, reserve cash, and other components can complicate the simple equity-plus-debt picture. Confirm that point before treating a calculated blend as a finished exchange plan.

Calculate portfolio LTV from dollar totals

Do not take a simple average of offering LTV percentages. Add the allocated debt, add the corresponding gross amounts, and divide the first total by the second. The weighting must follow value, not the number of investments.

For example, invest $200,000 into a 60% modeled LTV offering and $200,000 into a debt-free offering. The first has $300,000 of debt and $500,000 of gross value. The second has no debt and $200,000 of value.

The totals are $300,000 of debt and $700,000 of value. Portfolio LTV is about 42.86%, not the 30% simple average of 60% and zero. Equal cash contributions do not mean equal gross property exposure.

Label this portfolio figure with the values and date used. An initial offering-based ratio is not necessarily current market LTV. If property values fall, current leverage can rise even when the loan balance stays the same. Keep both the exchange record and ongoing risk analysis.

Small allocation changes can change the match

Suppose the earlier blend is ready, but the 60% LTV offering has less room than expected. You move $50,000 of planned cash from that offering to the debt-free one. Your total cash invested stays at $1.2 million. The debt result does not stay the same.

At the modeled 60% ratio, $50,000 of equity carries $75,000 of debt. Moving that cash to a debt-free interest removes the $75,000 debt allocation. The revised blend has $725,000 of debt and $1.925 million of gross value, instead of the original $800,000 and $2 million.

You would need to address the difference through another suitable allocation, added cash, or a reviewed partial-exchange result. Do not assume that using every dollar of the QI's cash fixes the gap. The tax team should confirm the revised result before the purchases become final.

Minimums and funding increments can create similar issues. A mathematically exact allocation may not be a subscription amount the sponsor accepts. Ask for actual available amounts, the minimum for your account type, and whether the interest can be reserved. A proposed allocation, a reservation, and an accepted funded investment are separate stages.

Keep an alternate plan within the applicable identification rules. If one offering changes or becomes unavailable, the replacement needs to work for both the investment plan and the exchange. A last-minute spreadsheet change cannot repair a property that was never properly identified.

Added cash can reduce the debt needed

In the $2 million example, adding $300,000 of personal cash increases the available equity from $1.2 million to $1.5 million. That could reduce the modeled debt needed to $500,000, or 25% of the total value, if all other exchange conditions are met.

Adding the full $800,000 could support a debt-free $2 million purchase. Whether doing so is sensible depends on the cash you would tie up, your other investments, your income needs, and the property's merits. Tax deferral is one input, not the whole decision.

The IRS liability rules allow cash paid to offset net liability relief in the recognized-gain calculation. That is why cash can address a debt shortfall. Your CPA should apply the rule to the complete transaction, including any other cash or property received. [1] [2]

If neither more cash nor an acceptable leveraged investment fits, discuss a partial exchange and its tax cost. Compare a known tax result with the risks of the investment you would otherwise choose. Taking excessive leverage simply to avoid current tax can create a much larger problem later.

Extra debt does not erase cash you take out

Debt and cash are not interchangeable in every direction. Taking more replacement debt does not automatically offset cash you receive from the exchange. Form 8824 lists cash received separately from net liability relief. [2]

Consider a simplified $2 million sale with $700,000 of old debt and $1.3 million of cash proceeds. The investor buys $2 million of replacement property with $800,000 of new debt and $1.2 million of the exchange cash. The investor keeps the remaining $100,000.

The new debt is $100,000 higher, but the investor still received $100,000 in cash. Assuming sufficient realized gain and no offsetting adjustments, that cash can produce $100,000 of recognized gain. It is not a $100,000 tax bill; the tax depends on the gain's character and applicable rates.

The IRS instructions include an example showing that extra liabilities assumed do not cancel cash received. Review the proposed flow of funds with the CPA before asking the QI to release money. A larger mortgage does not make every withdrawal tax-deferred. [2]

Nonrecourse does not mean no review or no risk

A DST may already have a nonrecourse loan in place. In that case, investors may not need to obtain separate mortgages. Confirm who borrowed the money and who gives guarantees. Check whether you take on any personal duties. Each offering's documents can differ.

“Nonrecourse” describes limits on a lender's claims against specified parties. It does not prevent the lender from exercising rights against collateral. Read any exceptions, indemnities, and subscription promises with counsel. Avoid treating a marketing phrase as a complete statement of your liability.

The sponsor must also accept you as an investor. It may need identity checks, proof that you qualify, tax forms, and documents for your trust or company. Minimum amounts and other rules may apply. Avoiding a personal loan application does not mean there is no paperwork or that acceptance is certain.

Confirm the actual debt amount before relying on it for the exchange. The interest must be available, approved, and funded. A useful debt percentage does not help if you cannot close on that investment.

Review the loan beyond its LTV

Look at the rate, maturity, payment schedule, prepayment terms, and any required reserves. Find out whether payments include principal or only interest, and whether that changes during the hold. Review the lender's rights if cash flow weakens.

The OCC's commercial real estate guidance treats cash flow, debt-service coverage, debt yield, value, and loan structure as separate parts of lending analysis. This is bank guidance, not a rule that approves a DST. It offers useful questions for understanding the debt behind the investment. [4]

Debt-service coverage compares net operating income with required debt payments. If income is $1.2 million and annual debt service is $900,000, coverage is about 1.33 times. A 15% income decline leaves $1.02 million and lowers coverage to about 1.13 times.

That leaves much less room before debt consumes the property's income. Capital work, trust fees, and reserves may create further cash needs. Coverage is not the investor's distribution rate, and the loan documents may define the test differently.

Ask for stress cases that change rent, vacancy, expenses, and interest costs where relevant. A loan that works only at the sponsor's best-case income deserves close scrutiny. A fixed rate can remove one uncertainty during its fixed term while leaving maturity and property risks.

Debt can shape the sale and exit

Compare the expected hold period with the loan maturity. Ask what happens if the property is not ready to sell when the loan comes due. Also check the cost of selling early, including any prepayment charge, defeasance cost, or required reserve release process.

A DST's authority to change financing is restricted in the structure described by Revenue Ruling 2004-86. Do not assume it can simply refinance like an ordinary property LLC. A proposed extension or restructuring must fit the actual documents and tax rules. [3]

Debt also magnifies value changes. In a simple $10 million property with $6 million of debt, gross equity is $4 million. If value drops to $8 million and debt remains unchanged, gross equity falls to $2 million before costs. A 20% property decline has cut gross equity in half.

These risks remain even if the debt perfectly matched your original exchange need. The tax calculation uses one point in time. The investment must carry the loan through years of property operations and a future exit.

Turn the plan into a documented closing

Build one worksheet for the full exchange. List each investment's cash allocation, confirmed debt, ownership share, accepted value, minimum, and current status. Show any added personal cash separately. Recalculate the totals whenever an allocation changes.

Coordinate that worksheet with the identification notice. In a standard deferred exchange, identification generally must occur within 45 calendar days, and receipt by the earlier of 180 days or the applicable return due date, including extensions. A DST loan does not extend those periods. [2]

Keep the final subscription, closing confirmation, debt schedule, QI accounting, and sale statement. Give them to the tax preparer along with your basis records. A planning screen with rounded numbers should not become the only evidence for Form 8824.

After closing, track loan changes and principal paydown through the investment reports. Your opening allocation explains the exchange; later balances help explain current leverage and eventual sale proceeds. They serve different purposes and should not overwrite each other.

Frequently asked questions

Must I replace my old mortgage with another mortgage?

No. New debt, added cash, or a combination can address debt relief in an otherwise qualifying exchange. Have the CPA review the complete cash and liability calculation, including costs and any money you receive. [1]

Does a $100,000 investment at 60% LTV allocate $60,000 of debt?

Not in the simple equity-plus-debt model. It produces $150,000 of debt and $250,000 of gross value. Use the actual sponsor schedule when fees, value definitions, or other terms make the simple formula incomplete.

Can I mix leveraged and debt-free DSTs?

Yes, when the specific investments and exchange requirements permit it. Calculate total dollars of debt and value, check minimums and availability, and review each investment on its merits. A blend is not automatically safer or tax-qualified.

How do I calculate the portfolio's LTV?

Divide total allocated debt by total corresponding gross value. Do not average the percentages by investment count or by cash contribution. State which values and date the result uses.

Does nonrecourse debt prevent investment losses?

No. Limits on personal liability do not protect the property from its lender or preserve your equity. Loan default, foreclosure, falling values, and weak cash flow can still cause serious losses.

Can extra replacement debt offset cash I withdraw?

Not automatically. IRS rules distinguish cash received from net liability relief. More replacement debt does not by itself erase cash boot. Have the proposed distribution reviewed before funds leave the exchange. [2]

Is the highest-LTV offering the best exchange solution?

No. It may allocate more debt per dollar of cash, but that also changes risk. Compare the property, income, loan terms, costs, and alternatives, including added cash or a partial exchange with a calculated tax result.

Sources and references

  1. Internal Revenue Service. Publication 544 (2025), Sales and Other Dispositions of Assets. 2025 edition, current publication reviewed October 6, 2026.Relevant sections: Like-Kind Exchanges; Deferred Exchange; Partially Nontaxable Exchanges; Basis of property received; Partnership Interests. Accessed October 6, 2026.
  2. Internal Revenue Service. Instructions for Form 8824 (2025), Like-Kind Exchanges. 2025 edition, current instructions reviewed October 6, 2026.Relevant sections: Like-kind property; Line 5; Lines 15 and 15a; Lines 18–25; related-party exchanges. Accessed October 6, 2026.
  3. Internal Revenue Service. Revenue Ruling 2004-86. 2004 ruling; applies to the described structure and facts, not blanket approval.Relevant sections: Facts, analysis, and holdings on a Delaware statutory trust and Section 1031. Accessed October 6, 2026.
  4. Office of the Comptroller of the Currency. Commercial Real Estate Lending, Comptroller’s Handbook, Version 2.0. March 2022 booklet currently linked by OCC; checked October 6, 2026.Relevant sections: Interest rates and capitalization values, page 12; underwriting standards and cash-flow analysis; loan-to-value and debt-service coverage. Accessed October 6, 2026.

Educational information, not an offer or a personal tax, legal, or investment recommendation. Examples are hypothetical and omit stated adjustments. Tax treatment depends on your facts and current law. Review your transaction with your CPA, attorney, and qualified intermediary. Real estate investments can lose value and may be illiquid.

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