The short answer
Four things in your loan file decide whether your borrower's exchange works. The borrowing entity must be the same taxpayer that sold the old property, the new loan plus any added cash must at least equal the debt paid off on the sale, the exchange money arrives from the qualified intermediary and cannot be pledged to you before closing, and the loan must close inside the borrower's 180 days. In a reverse exchange you lend to the accommodation titleholder, not the borrower, and the borrower guarantees. DST interests carry their own nonrecourse debt, which counts toward the borrower's replacement debt without your involvement.
At a glance
| Same taxpayer | The buyer of the replacement must be the seller of the relinquished property, for tax purposes |
|---|---|
| Single-member LLC | Disregarded by default, so it can borrow and take title for its owner |
| Debt relief | The payoff on the sale is treated as money received unless offset |
| What offsets it | New debt on the replacement or cash the borrower adds |
| Exchange funds | The borrower may have no right to pledge or borrow against them during the exchange |
| Reverse exchange | Titleholder holds title up to 180 days; the borrower may guarantee its loan |
| DST debt | The trust's nonrecourse loan comes with the interest; investors are not personally liable |
Vesting must match the seller: a new entity is a new taxpayer unless it is disregarded
Section 1031 defers gain only for the taxpayer that exchanged, so the borrower that takes title to the replacement must be the same taxpayer that sold. Under Reg. section 301.7701-3, a domestic LLC with a single owner is 'disregarded as an entity separate from its owner' unless it elects otherwise, while one with two or more members is a partnership. Your single-purpose-entity requirement therefore works if the new LLC is wholly owned by the person or entity that sold.
Problems start when the loan committee asks for a co-borrower or a second member. Adding a spouse, partner or investor as a member makes the borrower a partnership, which is a different taxpayer from the individual who sold. A personal guaranty from the same people does not create the problem; a change of ownership does. The same-taxpayer rule covers the common variations.
Check the sale side too. If the relinquished property was sold by a partnership, the partnership must also be your borrower, and its partners cannot each borrow and buy separately unless the property was moved into their individual names well before the sale. A title report, the seller's closing statement and the exchange agreement will show you who the exchanger is; ask for all three with the loan application rather than at the end of underwriting.
Size the loan to the debt paid off at the sale, or the borrower pays tax on the shortfall
Under Reg. section 1.1031(b)-1(c), the mortgage paid off when the old property sells is treated as money the borrower received. Debt the borrower takes on with the replacement offsets it, and so does cash the borrower adds; Reg. section 1.1031(d)-2 works through examples where liabilities on both sides net against each other.
Hypothetical: the borrower sold for $1,500,000 and paid off a $600,000 mortgage, so $900,000 is with the intermediary. To defer fully, the borrower buys at least $1,500,000 of property, uses all $900,000, and covers at least $600,000 with your loan or added cash. A $500,000 loan leaves $100,000 of debt relief that is taxable unless the borrower brings $100,000 from savings. Replace the mortgage or add cash explains the trade-off; the figures are hypothetical, so the borrower should run their own numbers with a CPA.
Over-replacing debt creates no tax problem. A larger loan than needed is fine for the exchange, as long as loan proceeds are not paid out to the borrower at closing.
Exchange funds arrive at the closing table from the intermediary, and you cannot take them as collateral beforehand
The exchange agreement must limit the borrower's rights to 'receive, pledge, borrow, or otherwise obtain the benefits of' the money held by the intermediary until the exchange period ends, under Reg. section 1.1031(k)-1(g)(6). Do not ask for a pledge of the exchange account or a transfer of the funds to the borrower's own account to verify assets. Ask the intermediary for written confirmation of the balance and for its wire instructions to the closing agent.
Loan fees and points paid from exchange funds can create a small amount of boot; loan fees and points paid from exchange funds explains the treatment. The 180-day deadline does not move for an appraisal or an underwriting delay, so issue commitments early and keep the closing date inside the period; when a lender delay threatens the deadline lists the fallbacks.
In a reverse exchange you lend to the accommodation titleholder, and the borrower guarantees
When the borrower buys before selling, an exchange accommodation titleholder takes title under Rev. Proc. 2000-37. The parking agreement must be signed within five business days after title passes, the relinquished property must be identified within 45 days, and the combined period both properties are parked may not exceed 180 days. The procedure expressly permits the taxpayer to guarantee the titleholder's obligations, 'including secured or unsecured debt incurred to acquire the property,' and to lend or advance funds to it.
Rev. Proc. 2004-51 adds that the safe harbor does not apply to replacement property the borrower owned within the 180 days before the titleholder took title. Expect the titleholder to be a single-purpose entity with a nonrecourse posture and the borrower's guaranty as the credit; at the end of the exchange title moves to the borrower, and your loan is typically assumed or refinanced. The reverse 1031 exchange guide covers the full sequence.
DST interests bring their own nonrecourse loan, which changes how much new debt your borrower needs
In Rev. Rul. 2004-86 the trust takes the property subject to a nonrecourse loan, and its trustee 'may not renegotiate the terms of the debt.' Because each owner is treated as holding an undivided fractional interest in the real estate, the owner's share of that loan counts as replacement debt. A borrower who splits proceeds between a property you finance and DST interests can use the trust's debt to cover part of the payoff.
Highly leveraged trusts are designed for this. The client's cash out DST describes zero-cash-flow trusts whose nonrecourse leverage can satisfy debt requirements with a small part of the proceeds.
Related questions
Can my borrower close the replacement loan in a new LLC owned by husband and wife?
Only with care. A two-member LLC is a partnership by default, which is a different taxpayer from spouses who sold as individuals; in community property states a spouse-owned LLC may be treated differently, so confirm with the borrower's CPA before closing.
Can loan proceeds be used to reimburse the borrower for the earnest money deposit?
Cash paid out to the borrower at closing is generally boot. Credit the deposit against the price instead, and see the earnest money answer.
Do we need to be named in the exchange documents?
No. The intermediary is assigned the purchase contract and wires funds to the closing agent; your loan documents run to the borrower, or to the titleholder in a reverse exchange.
Can the borrower refinance right after the exchange to pull cash out?
A refinance after the replacement closes is a separate transaction, but timing and purpose matter; pulling cash out after a 1031 covers the cautions.
Will a DST interest show up on the borrower's credit report as debt?
The trust's loan is nonrecourse to the investors in the ruling's structure, so investors do not sign it. How you treat it in underwriting is a credit policy question.
Sources
Checked against these publications on September 30, 2026. Rules and figures change; confirm the current version with your CPA or attorney before you act. This page is general information, not tax or legal advice.
- Treas. Reg. Section 301.7701-3, classification of entities
- Treas. Reg. Section 1.1031(b)-1, assumption of liabilities treated as money
- Treas. Reg. Section 1.1031(d)-2, treatment of assumption of liabilities (examples)
- Treas. Reg. Section 1.1031(k)-1, deferred exchanges ((g)(6) limits)
- Rev. Proc. 2000-37, I.R.B. 2000-40 (parking arrangements)
- Rev. Proc. 2004-51, I.R.B. 2004-33
- Rev. Rul. 2004-86, Delaware statutory trusts
