The rent on a commercial lease is the number you fight hardest over. It is also the number that often tells you the least about what the space will cost you once the build-out money, free months and deposit are settled.

That gap has been easy to ignore. For two years, nearly every commercial property deal was built on the idea that borrowing costs would come down.

Owners with loans coming due in 2026 penciled in cheaper replacement debt. Tenants penciled in generous renovation money. Both sides assumed the Federal Reserve’s next move would be a cut, and the only open question was timing.

Lenders spent much of that stretch extending maturing loans instead of forcing sales. That bought owners time, but it did nothing to lower the price of their next loan.

September broke that assumption. Wholesale prices jumped, gasoline kept climbing, and the central bank changed direction.

On Sept. 16, the Fed raised its benchmark interest rate for the first time in three years. The effect on commercial property was already visible in broker behavior, weeks before it reaches any lender filing.

I asked Realmo, a commercial listings platform, to pull what its brokers have been doing since the Fed’s July meeting. What came back looks less like a fire sale and more like a freeze, and the cost of that freeze lands on tenants in places the rent line doesn’t show.

The Fed’s first hike in three years could cut tenant incentives as $875 billion in CRE loans mature.

Stouffer / Getty Images

Why a Fed rate hike reaches a building you don’t own

Commercial real estate runs on refinancing. Owners typically buy with shorter-term debt, often interest-only, and replace that loan every five to ten years.

When the replacement loan costs more than the old one, the building’s math changes even if the rent roll and occupancy never move.

The Fed doesn’t set those loan rates directly. Commercial mortgages generally price off longer-term Treasury yields plus a lender’s margin, and the 10-year yield sat near 4.95% after the decision, CNBC reported. Variable-rate business loans tied to the prime rate, by contrast, usually reprice within days of a Fed move.

The amount of debt rolling over this year is what makes 2026 different. Seventeen percent, or $875 billion, of the $5 trillion in outstanding commercial mortgages is scheduled to mature in 2026, according to the Mortgage Bankers Association (MBA).

Related: Fund manager’s Fed interest rate outlook will frustrate consumers

That wall lands unevenly. Thirty percent of hotel and motel loans come due this year, along with 23% of industrial loans, 17% of office loans and 13% of multifamily loans, the same MBA survey found.

Some of that debt is already in trouble. Trepp’s special servicing rate, which tracks loans handed to workout specialists, rose 33 basis points to 11.42% in August, its highest level since February 2013, Multifamily Dive reported. A basis point is one-hundredth of a percentage point.

Trepp’s headline delinquency rate for commercial mortgage-backed securities (CMBS) slipped one basis point to 7.85% in August as several large loans returned to performing status. A month earlier, loans that hit their maturity date and couldn’t pay off made up 66% of newly delinquent balances, according to Trepp data published by MBA Newslink.

That is the pressure sitting on the other side of the table when you negotiate a lease.

What commercial listing data shows after the Fed rate hike

The Fed’s rate-setting committee voted 12-0 to raise its benchmark range by a quarter percentage point to 3.75% to 4%, CNBC reported. It was the first increase since July 2023.

More Real Estate:

Inflation forced the turn. Producer prices rose 5.4% over the 12 months ended in August, the Bureau of Labor Statistics (BLS) reported Sept. 10, the same week oil topped $100 a barrel, according to the Washington Times.

August consumer prices rose 3.4% from a year earlier, with gasoline up 27.4%, the BLS reported the next day.

Fed Chair Kevin Warsh had already flagged the risk. Softer summer inflation readings “do not tell me that underlying trends have meaningfully improved,” he said in his Aug. 28 Jackson Hole speech.

Realmo sees broker behavior weeks before it surfaces in servicer data, which is why I asked the company for numbers instead of commentary. Realmo head of analytics Ian Arguno ran four queries against the platform’s broker-sourced sale records.

The first compared the 44 days from July 30 to Sept. 11 with the 44 days from June 16 to July 29.

Commercial sale listings by property type since July

  • Office: down 26.9%
  • Retail: down 21.9%
  • Industrial: down 28.6%
  • Warehouse: down 37.7%
  • Hotel: down 19.3%
  • Multifamily: up 21.4%
  • Mixed-use: up 81.1%

Source: Realmo broker-sourced sale records, July 30 to Sept. 11, 2026, compared with June 16 to July 29, 2026

In my analysis, owners facing the biggest refinancing tests are holding property off the market and waiting. Office, industrial and hotel, where 17% to 30% of loans mature this year, all posted double-digit drops. Multifamily, where 13% comes due, rose 21.4%.

Sellers who do come back are cutting. Among relistings Realmo verified between July 14 and Sept. 11, 55.8% returned asking less than before, with an average reduction of 7.5% and a median of 5.8%.

A handful of metro areas show the opposite pattern. Over a longer window, the 60 days ended Sept. 11 compared with the prior 60 days, new commercial listings jumped 477.8% in Milwaukee, 419.6% in Cape Coral, Fla., 404.4% in Minneapolis, 365.9% in McAllen, Texas, and 351.1% in San Antonio.

Nationally the market is going quiet while a few local markets fill up fast, and that split is often how forced selling first shows up. Big percentage jumps can start from small listing counts, though, so those metros are worth watching before drawing firm conclusions.

How the rate increase changes your commercial lease costs

If you already signed a fixed-rent lease, your base rent stays put. The pressure shows up in the landlord’s next deal, which could be your renewal.

“A rate hike doesn’t change the base rent in a signed fixed-rent lease automatically. But financing pressure on the landlord could show up in a smaller renovation allowance, fewer months of free rent, or a larger deposit.” – Ian Arguno, Head of analytics, Realmo.

Run his example. A landlord offers $20 per square foot toward renovations instead of $40, and on a 2,000-square-foot space you now have to find another $40,000 before you open.

Free rent shrinks the same way. On a hypothetical 2,000-square-foot lease at $30 per square foot a year, each free month is worth $5,000, so losing two of them costs you $10,000.

Your own borrowing moves too. On a $500,000 variable-rate business loan, a quarter-point increase adds roughly $1,250 a year in interest, or about $104 a month, at an unchanged balance. Your actual cost depends on your loan terms and reset date.

What the rate hike could cost a small business tenant

  • Renovation allowance cut from $40 to $20 per square foot on 2,000 square feet: $40,000
  • Two fewer months of free rent at $30 per square foot a year: $10,000
  • Quarter-point increase on a $500,000 variable-rate loan: about $1,250 a year

Source: Realmo allowance example; TheStreet calculations using hypothetical lease terms

The landlord’s own arithmetic explains the squeeze. Arguno sketched a hypothetical $5 million interest-only loan at four percent, which costs $200,000 a year in interest.

Refinance the same balance at 7.25% and that bill becomes $362,500, an increase of $162,500, or 81.25%, before fees or principal.

Only $12,500 of that jump comes from a quarter-point step. The rest is the distance between pandemic-era debt and current borrowing costs. Those rates are illustrative, Arguno noted, and commercial mortgage quotes don’t move one-for-one with the fed funds rate.

What to negotiate on a commercial lease after the Fed hike

None of this means every landlord turns rigid. An owner with vacant space and a refinancing deadline has a strong reason to lock in a reliable tenant, and Arguno cautioned against assuming otherwise.

He would press on three terms before signing:

Commercial lease terms to check before you sign

  • When the renovation money actually gets paid
  • Who covers the shortfall if the landlord can’t fund it
  • Whether your rent starts before the space is usable

Timing matters because the Fed may not be finished. Sixteen of the 18 officials who submitted projections expect at least one more hike this year, CNBC reported, and Warsh said another move depends on upcoming inflation reports and energy prices.

If you are signing or renewing space in the next six months, rent is the easy number to compare. The harder one is the cash the deal requires before your doors open, and how much of it your landlord can still afford to cover.

Related: Zillow predicts mortgage rate, housing market change