Debt fund and mortgage REIT loans

What a debt fund whole loan looks like

The typical structure has three parts:

1. Initial funding at closing, sized on the as-is value and the purchase price or existing debt.
2. Future funding for renovation, tenant improvements, leasing commissions or construction, drawn as the work is done.
3. Extension options after the initial term, each with a fee and a performance test.

The lender is underwriting the plan more than the building. That is why debt funds will lend on a half-empty office conversion or a heavy apartment renovation that no bank or agency will take, and why the price is higher. Public mortgage REIT books show the leverage that results: 64%¹ weighted origination LTV at Blackstone Mortgage Trust and 68.5%³ at Ladder Capital’s balance-sheet first mortgages, both at September 30, 2026. LTV bases differ (as-is versus as-stabilized), so do not rank lenders on those numbers.

How the lender’s own financing shapes your loan

A debt fund rarely holds a loan with only its investors’ cash. It finances most of each loan in one of two ways:

Lender funding	How it works	What it means for your loan
Repurchase (repo) line from a bank	The bank advances against each loan the fund makes	The repo bank approves the loan too; its eligibility rules (property type, LTV, debt yield) shape your terms. Watch for “cash management” and margin-call style provisions passed through
CRE CLO	The fund pools transitional loans and sells rated bonds against them	Longer, steadier funding for the lender; loans must fit the CLO’s eligibility criteria, and modifications can need sign-off under the CLO documents

None of this is visible on the term sheet, but it explains odd requests: a specific appraisal firm, a cap strike, a debt yield test on extension. Asking the lender how it will finance your loan is a fair question.

Worked example: future funding and the extension test

Illustration only. Every figure is an assumption.

A sponsor buys an apartment portfolio for $40,000,000 and plans $8,000,000 of renovation. A debt fund commits $34,000,000: $27,000,000 at closing (67.5% of the purchase price) and $7,000,000 of future funding.

Fees. At an assumed 1.00% origination fee on the full commitment, the sponsor pays $340,000 at closing; an assumed 0.50% exit fee adds $170,000 at payoff. Spread over a few years, fees like these are the gap between a lender’s cash coupon and its all-in yield. In the largest public book that gap was about 35 basis points a year, which on $34,000,000 is about $119,000 a year.

The extension test. After the initial term, the loan allows an extension if the property reaches an 8.00% debt yield on the full $34,000,000, meaning NOI of at least $2,720,000. Suppose the plan runs late and NOI is $2,500,000. To pass, the sponsor must pay the loan down to $2,500,000 / 0.08 = $31,250,000, a $2,750,000 check, or refinance. Debt yield is NOI divided by the loan, so it does not care that rates fell or that the property will be worth more next year.

Model the takeout in the refinance gap calculator. If part of the capital stack is mezzanine or preferred equity, find the blended cost in the blended rate calculator.

Costs and timeline

• Coupon: SOFR plus a spread; today’s indicative range is in the tile above.
• Fees: origination on the full commitment, extension fees, and exit fees on many loans.
• Rate cap: required on floating loans; the strike is set so coverage holds if SOFR rises.
• Reserves: interest, capital and leasing reserves as the plan requires.
• Timing: investment committee, plus the repo lender’s sign-off when the loan will sit on a line. Funds that have closed loans like yours before move fastest.

Prepayment

Minimum interest or spread maintenance for an initial period protects the lender’s return; after that the loan is open, with an exit fee on many loans. Read whether minimum interest is measured on the funded balance or the total commitment. On a loan with large future funding, that one word can change the payoff cost.

What debt funds check

1. Business plan and budget, with a third-party construction or renovation review.
2. Sponsor track record on similar plans, and liquidity to cover guaranties and overruns.
3. As-is, as-stabilized and exit values, and the permanent loan that takes them out.
4. Extension and cash sweep tests, and the timing of hitting them.
5. What the lender’s own financing will accept, as above.

Common deal killers

• Thin sponsor liquidity against the completion and carry guaranties.
• Extension tests that the plan reaches only in the best case.
• A property type or market the lender’s repo bank or CLO will not take, even if the fund likes the deal.
• Over-reliance on future value. Funds lend on the plan, but the exit still has to be refinanceable at today’s permanent terms.

Where it wins and where it loses

Debt funds win on transitional deals of meaningful size, on speed and certainty for experienced sponsors, and on structures that put renovation money inside the senior loan instead of a separate mezzanine piece. They lose to banks on cost when the sponsor can sign a guaranty and the plan is modest, to CMBS, agency and life company loans once the property is stabilized, and to SASB on very large assets where the bond market prices tighter. For who these lenders are and how much of the market they hold, see the debt fund lender page.