The U.S. Commercial Mortgage-Backed Securities (CMBS) market is facing a new round of pressure. In March, the delinquency rate surged to a multi-year high, with delinquency rates for the four major property types—hotel, office, retail, and multifamily—rising simultaneously. The buffer reserves that the market previously relied on are depleting at an accelerating pace.
According to the March CMBS monthly report released by real estate data agency Trepp, the delinquency rate for the month jumped 41 basis points from the previous month to 7.55%, a new high in recent years. This surge was led by hotel properties, where the delinquency rate soared by 137 basis points in a single month to 7.31% (hotels were previously considered a relatively stable sector).
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Meanwhile, according to The Wall Street Journal, the nationwide office market is seeing a wave of &#34;fire sales&#34; with discounts exceeding 90%, as owners and lenders collectively concede losses after years of holding on.
MSCI data shows that for the full year of 2025, a total of 204 distressed office buildings completed transactions across the U.S., a significant increase from 133 in 2024, with total sales reaching $5.2 billion. In the first two months of this year, sales of distressed office buildings continued to grow by 24.5% year-on-year.
Market participants warn that as more loans mature and reserves are exhausted, this wave of selling may have only just begun.
<h2>Delinquency Rates Break Through at Multiple Points, Underlying Pressure Is More Severe</h2>
Trepp data indicates that new delinquent loans in March amounted to approximately $5.1 billion. The five largest new delinquent loans totaled over $2 billion, covering a West Coast hotel portfolio, a Midwest office loan, a Northeast retail center loan, a nationwide hotel portfolio, and a Pacific Northwest office portfolio.
By property type:
<blockquote>
Hotel delinquency jumped 137 basis points in a single month to 7.31%, breaking above 7% for the first time in nearly a year.
Office delinquency rose 51 basis points to 11.71%. Although lower than the interim high of 12.34% in January this year, it remains within a historically high range.
Retail delinquency rose 32 basis points to 6.62%.
Multifamily delinquency rose 30 basis points to 7.15%, slightly breaking the previous high of 7.12% in October 2025, and far exceeding the 5.44% of a year ago and 1.84% of two years ago.
Industrial properties—including warehouse and data center REITs—saw delinquency rates drop slightly to 0.65%, remaining an &#34;exception&#34; among major types.
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Of particular concern is that if loans that have matured but are still making interest payments are included, the comprehensive delinquency rate for March would rise to 9.07%, up 32 basis points from February and 152 basis points higher than the officially reported 7.55%.
The severe delinquency rate for 60+ days (including foreclosures and REO) also rose from 6.89% to 7.29%. Trepp noted that approximately 40% of the new delinquent loans this month were in a normal maturity state last month, revealing a cyclical pressure structure of &#34;maturity—delinquency—remediation—re-delinquency.&#34;
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<h2>Office Building &#34;Fire Sale&#34;: Six Years of Waiting Ends in Total Loss Recognition</h2>
The liquidation of the office market is proceeding with discounts that have shocked the industry.
<blockquote>
A 485,000-square-foot office building in Chicago was purchased by real estate developer Marc Calabria for $4 million, while the same building sold for $68.1 million ten years ago;
Developer Asher Luzzatto acquired the Denver Energy Center, a twin-tower complex, through foreclosure for $5.3 million. This complex sold for $176 million in 2013;
The U.S. General Services Administration (GSA) sold a 940,000-square-foot federal office building last month for $24 million, a tiny fraction of its valuation from a few years ago.
</blockquote>
&#34;People who don't know real estate would be shocked by the severity of this distress,&#34; Luzzatto said.
Jim Costello, Executive Director at MSCI, pointed out that it has taken a full six years from the impact of the pandemic to the current total loss recognition: &#34;But that's how long it takes for people to give up on a high-value asset.&#34;
According to analysis firm Green Street, even for higher-quality office properties, valuations have fallen on average by about 35% from their peak.
Owners are facing multi-dimensional pressures: remote work weakening demand, high leasing costs (including brokerage commissions and tenant incentives), persistently high interest rates depressing property values, and job pressure brought by AI. These overlapping pressures make it difficult for the market to see a substantive rebound.
<h2>Massive Conversion of Office Buildings to Residential or Other Uses</h2>
Extremely depressed prices are giving rise to a large number of non-traditional development models.
Marc Calabria plans to convert his purchased Chicago office building into an urban farm and educational center, partnering with Farmzero to use grow lights and hydroponic technology to produce millions of pounds of fruits and vegetables annually.
Hossein Fateh purchased the GSA office building in Washington, D.C., with plans for a residential conversion, introducing natural light by adding swimming pools or atriums. The conversion cost is expected to reach hundreds of millions of dollars. &#34;If the price weren't this low, this deal wouldn't work at all,&#34; he said.
Cross Ocean Partners, a credit investment firm focused on distressed assets, is preparing a $750 million fund to acquire debt and equity in distressed office properties, having already raised $300 million in its first round. The core of its strategy is to acquire at deep discounts and achieve profitability through cash flow generated by existing leases.
According to RentCafe data, at the beginning of this year, more than 90,000 apartments nationwide were in the process of being converted from office to residential use, a 28% increase year-on-year. New York City is leading the way with tax incentives, with Chicago and Washington, D.C., also following suit.
<h2>Systemic Risk Is Controllable, but the Turning Point Has Not Arrived</h2>
For now, the current pressure on commercial real estate has not formed a systemic financial risk.
Banks and other lending institutions, after years of balance sheet repair and provision accumulation, are better able to absorb losses. Special servicers managing distressed office CMBS are also continuously selling assets.
However, warnings from market participants should not be ignored: The provision reserves that have kept the CMBS market in a &#34;semi-dissolved&#34; state for years are nearly exhausted; the wave of loan maturities has not ended; and the spread of AI may trigger a new round of contraction in office demand.
The accelerating climb in delinquency rates now appearing in the hotel and multifamily sectors, along with the underlying pressure revealed by the 9.07% &#34;comprehensive delinquency rate,&#34; all indicate that market liquidation is still ongoing and is not yet nearing its end.

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U.S. commercial real estate is undergoing a brutal shakeout! In March, the CMBS delinquency rate rose to 7.55%, hitting a multi-year high. A "fire sale" wave has hit the office sector, with some properties selling at a 90% discount after six years, forcing a massive conversion of office buildings into residential or other uses. Market participants warn that bank provision reserves are nearing depletion, the wave of loan maturities has not yet ended, and industry liquidation is still ongoing

- The U.S. commercial real estate mortgage-backed securities (CMBS) market is experiencing heightened distress, with March default rates surging to a multi-year high of 7.55%.  
- The increase is mostly driven by rising defaults in hotel and office properties, leading to significant sales at steep discounts across the office market.  
- Participants warn that as loan maturities loom and reserves dwindle, a more extensive sell-off may be imminent, indicating ongoing pressure in the market.

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CMBS Market on High Alert! March Delinquency Rate Climbs to 7.55%, Institutions Warn "Capitulation Selling" Has Only Just Begun