Negative leverage in real estate happens when the cost of your loan is higher than the return the property produces on its own, so borrowing pulls your yield down instead of pushing it up. Put plainly: if the property earns a 6% cap rate and your debt costs 6.5% per year, every dollar you borrow makes your deal worse than paying all cash. With commercial mortgage rates running roughly 5.4% to 6.5% or higher in 2026 against property cap rates sitting in similar territory, this describes a real share of deals on the market right now.
The Two Numbers That Define It
Leverage in real estate is just borrowing money to buy something worth more than your cash. Whether that borrowing helps or hurts comes down to a single comparison between two figures.
The capitalization rate is the property’s unlevered return: net operating income divided by purchase price.1Investopedia. Capitalization Rate A building with $600,000 in NOI bought for $10 million has a 6.0% cap rate. That’s what it would pay you if you owned it free and clear.
The loan constant is the annual cost of the debt as a percentage of the loan amount, including both interest and principal amortization. This is where most beginners trip up. A 6.0% interest rate on a 25-year amortizing loan produces a loan constant closer to 7.7%, because you’re paying principal back each month on top of the interest. Interest-only loans are the exception, since their loan constant equals the stated interest rate.
When the cap rate is higher than the loan constant, leverage is positive. Borrowing amplifies your return. When the loan constant is higher than the cap rate, leverage is negative. Borrowing shrinks it.
How to Spot It in a Deal
The cleanest test is to compare cash-on-cash return with and without debt. If the levered number comes in below the unlevered number, the loan is working against you.
Consider that $10 million property with $600,000 in NOI, a 6.0% cap rate. You put down $2.5 million and finance $7.5 million at 6.5% on a 25-year amortization. Annual debt service runs about $607,000. Subtract that from NOI and you have negative $7,000 in before-tax cash flow. Your $2.5 million of equity earns roughly zero, or slightly less, while the property itself was earning 6.0% before you introduced the loan. The debt destroyed the return.
Swap that for an interest-only loan at 6.5%. Debt service drops to $487,500, cash flow is $112,500, and cash-on-cash comes out at 4.5%. Better, but still below the 6.0% you’d have earned in cash. The interest-only structure produces a milder version of the same problem because the loan constant (6.5%) still exceeds the cap rate (6.0%). The interest rate alone tells you leverage is negative here. The amortization only decides how negative.
What Causes Negative Leverage
Rates Rising Faster Than Cap Rates
Commercial mortgage costs are priced off longer-term Treasury yields and swap rates. When the Federal Reserve tightened policy from near-zero to above 5% in recent years, longer-term rates followed, pushing loan pricing well above where many cap rates sat. Lenders also tightened credit standards and raised spreads on construction loans and commercial mortgages.2NAIOP. The Impact of the Federal Reserve Rate Cuts on Commercial Real Estate Markets
Floating-rate debt is where this bites hardest. A loan priced at SOFR plus 2.5% starts at 5.0% when SOFR is 2.5%. SOFR moving to 4.3% takes that same loan to 6.8%. If cap rates haven’t moved with it, a deal that penciled with positive leverage at closing flips negative through no action of the borrower.
NOI Falling
Rates don’t have to move for the math to break. A property that loses a major tenant, sees vacancy climb, or absorbs an unexpected jump in operating costs produces less NOI on the same purchase price. Its effective yield falls. A building underwritten to a 6.2% cap rate that slips to a 5.5% effective yield can find itself sitting below a 5.8% loan constant that used to leave comfortable room.
Overpaying
Aggressive pricing compresses the going-in cap rate. Buying at a 4.5% cap when the best financing available carries a 5.5% loan constant means the deal is underwater from day one. This happens most often in competitive bids for institutional-quality assets, where buyers rely on future rent growth to eventually flip the math. Sometimes that bet works. Sometimes it doesn’t.
Why It’s Dangerous
The obvious cost is monthly. The property isn’t producing enough to cover its debt payments, so the shortfall comes out of your pocket. Three thousand dollars a month doesn’t sound catastrophic on a $10 million building. Over three years, it’s $108,000 fed into an asset that was supposed to pay you.
The less obvious cost sits inside the loan documents. Commercial mortgages usually include a debt service coverage ratio covenant requiring NOI to exceed annual debt service by some margin. Most lenders set the minimum between 1.20x and 1.25x. Riskier assets like office or value-add retail often carry 1.30x or higher. A property producing negative cash flow is nowhere near the covenant threshold. Breaching it can trigger cash sweeps, where the lender captures all property income, higher interest rates, or in serious cases, acceleration of the entire loan balance.
Then there’s maturity. Commercial loans typically mature in five to ten years, and the balance has to be refinanced or paid off. A property stuck in negative leverage may not qualify for a new loan, because lenders underwrite to current NOI and current rates. If neither works, and you can’t pay off the existing balance, the exit is a forced sale, often at a loss. That’s how negative leverage destroys equity even for a borrower who has been faithfully covering the monthly shortfall.
When Investors Take It On Purpose
Not every negatively leveraged deal is a mistake. Sophisticated buyers accept it deliberately when they have a plan to flip the math.
The most common case is a value-add play. If in-place rents sit 20% to 30% under market because of deferred maintenance or weak management, the plan is to renovate, push rents up, and move from negative to positive leverage during the hold. The early cash drain is the cost of doing the business plan.
The other case is a discounted purchase where returns are concentrated in the sale rather than the income. When volatility pushes prices low enough, an investor may accept a thin or negative current yield in exchange for projected appreciation. The negative leverage period becomes a carrying cost the investor has budgeted for.
Both approaches share one risk: if NOI growth or price appreciation doesn’t show up, the investor funds negative cash flow with no working exit. Intentional negative leverage only makes sense with realistic underwriting of how long the drain lasts and how deep the reserves need to be.
How to Fix It
Raise Income
The most direct move is to grow NOI. If the rental market supports it, taking rents to market on turnover narrows the gap between income and debt service. This is the core of every value-add plan: upgrade finishes, improve common areas, add amenities, push rents 15% to 25%. What breaks these plans is timing rather than concept. Renovations take months, lease-up takes longer, and you fund negative cash flow the whole way. Optimistic lease-up assumptions are where most projections go wrong.
Cut Expenses
Expense work improves NOI without needing rent growth. Property tax appeals often produce the biggest single win, because assessments lag declining values and the tax line is usually one of the largest on the statement. Insurance renegotiation, utility efficiency, and rebidding maintenance contracts each add smaller pieces. None of this alone closes a wide negative spread. Combined with modest rent gains, it can close a narrow one.
Refinance
If rates have fallen since you closed, refinancing into a lower-rate loan can wipe out negative leverage entirely. Moving from floating to fixed also removes the risk of further rate increases. The costs are real: prepayment penalties, origination fees, legal and appraisal work. Weigh them against the interest savings over the remaining hold. A refinancing that saves $40,000 a year but costs $150,000 in penalties and fees needs almost four years just to break even.
Borrowers with floating-rate loans who can’t refinance yet can buy an interest rate cap to put a ceiling on the rate. A cap won’t eliminate existing negative leverage. It stops the spread from widening if benchmark rates keep climbing.
Sell
When operations and refinancing can’t close the gap, selling is what remains. It looks like defeat, and sometimes it is. But the alternative deserves modeling. A property losing $50,000 a year with no realistic path to positive leverage costs $250,000 over five years before accounting for the equity erosion in a stale or declining asset. Selling early, even at a modest loss, can preserve capital that would otherwise drain away month by month.
A Note on the Tax Losses
One assumption worth checking: the losses from a negatively leveraged property may not offset your other income the way you expect. Rental real estate losses are passive activity losses under federal tax law, which generally means they can’t reduce wages, business income, or investment gains. Active participants can deduct up to $25,000 against non-passive income, but that allowance phases out between $100,000 and $150,000 of adjusted gross income, so it rarely reaches commercial real estate buyers. A separate exception for taxpayers who qualify as real estate professionals lifts the passive limit entirely, but requires more than half your working hours and at least 750 hours in real property businesses. Disallowed losses aren’t lost — they carry forward and become fully deductible when the property is sold — but they may sit on the shelf longer than the cash drain does.3Office of the Law Revision Counsel. 26 USC 469 – Passive Activity Losses and Credits Limited