Senior Debt

Definition: Senior debt is the first-priority loan in a commercial real estate capital stack, secured by a first mortgage or deed of trust on the property itself. It holds the first claim on operating cash flow and on sale or refinance proceeds, ahead of mezzanine debt, preferred equity, and common equity. Because it is the last dollar at risk, senior debt carries the lowest cost of capital in the stack and typically funds 50 to 80 percent of a property's value or cost, depending on capital source.

Senior Debt in Practice

A $30,000,000 industrial property secures a senior loan at 65 percent LTV, or $19,500,000. The property's $1,950,000 NOI puts debt yield at exactly 10 percent, satisfying the lender's floor. If the market softens and the asset later sells for $22,000,000, the senior lender recovers its full $19,500,000 before any junior capital sees a dollar, leaving only $2,500,000 for everyone above it in the stack.

Senior Debt: What the Market Actually Requires

Senior lenders segment cleanly by asset profile and borrower priorities. Life insurance companies offer the sharpest pricing on stabilized, institutional-quality assets but hold leverage to 50 to 65 percent and cherry-pick property quality. Banks lend 60 to 70 percent, usually with some recourse and a deposit relationship expectation, and dominate construction lending. CMBS conduits reach 70 to 75 percent non-recourse on stabilized cash flow but bring servicing rigidity. Agency lenders own stabilized multifamily up to roughly 80 percent. Debt funds stretch to 75 or 80 percent of cost on transitional deals, priced accordingly.

Because the senior loan is the largest and cheapest piece of the stack, its terms ripple through everything above it. The senior lender decides whether mezzanine debt or preferred equity is even permitted behind it, sets the cash management triggers that can trap distributions, and controls the covenant package. A senior loan 25 basis points cheaper but with a hair-trigger cash sweep can cost a sponsor far more than the rate savings when distributions stop during one soft quarter.

The recurring borrower mistake is negotiating the senior loan as if rate were the only variable. Prepayment flexibility, recourse carve-out scope, reserve requirements, and permitted-transfer language determine what the loan actually costs over its life. On a five-year hold, the difference between yield maintenance and a step-down prepayment structure can dwarf the spread difference between two competing quotes, and the right to place subordinate capital later is worth real money when a refinance market turns hostile. Sophisticated borrowers rank quotes on proceeds, flexibility, and structure together, then use the runner-up quote as leverage on the winner's weakest term.

Why It Matters for Your Loan

The senior loan sets the foundation for total proceeds, blended cost, and every structural option above it in the stack. Choosing the wrong capital source costs proceeds, flexibility, or both: a life company quote may sit 10 points of leverage below a debt fund, while a securitized loan may block the lease amendment your anchor tenant needs. Commercial Lending Solutions runs every senior request across banks, life companies, agencies, CMBS, and debt funds simultaneously, so the binding constraint and the structure, not a single lender's appetite, determine the outcome.

Senior Debt: FAQ

Senior debt is secured by a first mortgage or deed of trust on the real estate itself and is repaid first from cash flow and sale proceeds. Mezzanine debt sits behind it, secured by a pledge of the equity interests in the property-owning entity rather than by the property. On default, the senior lender forecloses on the real estate, while a mezzanine lender forecloses on ownership of the borrower entity under the UCC and takes the property subject to the senior loan remaining in place.
It depends on capital source and asset profile. Life companies typically cap at 50 to 65 percent of value, banks at 60 to 70 percent, CMBS at 70 to 75 percent, and agency multifamily programs around 80 percent. Debt funds stretch to 75 or 80 percent of cost on transitional business plans. In practice the loan sizes to the tightest of three constraints, LTV, minimum DSCR, and minimum debt yield, and on low-cap-rate assets the income tests usually bind before leverage does.


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