Morningstar DBRS keeps BBCMS 2018-TALL ratings unchanged, cuts outlook on two classes
Credit conditions at the BBCMS 2018-TALL mortgage trust remain broadly steady, even as risk concerns build around future leasing and refinancing at Willis Tower in Chicago. Morningstar DBRS affirms ratings across all rated classes and shifts the trends on Classes C and D to Negative, citing tenant concentration, softer office demand and uncertainty around the property's ownership and long-term occupancy.
Highlights
- Morningstar DBRS affirmed ratings for all BBCMS 2018-TALL certificate classes, but shifted outlooks on Classes C and D to Negative from Stable.
- Willis Tower secures the transaction with stable net cash flow projected at 6.0% above underwritten figures for year-end 2025, while Blackstone explores a potential sale.
- Chicago office market headwinds, tenant concentration risk with United Airlines occupying 20.0% and upcoming major lease expirations could challenge refinancing at loan maturity in 2030.
Willis Tower loan performance and rating action
As reported by Morningstar DBRS, DBRS Limited confirms its credit ratings on all classes of Commercial Mortgage Pass-Through Certificates, Series 2018-TALL issued by BBCMS 2018-TALL Mortgage Trust. Class A remains at AAA (sf), Class B at AA (low) (sf), Class C at A (low) (sf), and Class D at BBB (low) (sf), while the trends on Classes A and B stay Stable.Morningstar DBRS changes the trends on Classes C and D to Negative from Stable. The rating agency says the confirmations reflect stable underlying collateral performance that remains in line with its expectations, but it also points to factors that could raise the transaction's risk profile over the medium to long term.
The transaction is secured by the borrower's fee-simple interest in Willis Tower, a Class A office property in the West Loop submarket of Chicago's central business district. The building generates income from office, retail, Skydeck and antenna operations, and Blackstone previously funded a $490.0 million capital improvement program completed in 2022 to upgrade the office, retail and Skydeck areas.
The loan's initial maturity date was March 2025, but a prior modification extends the fully extended final maturity to 2030, including two one-year extension options. Operating performance remains stable, with year-end 2025 net cash flow about 6.0% above the issuer's underwritten figure.
Tenant concentration and Chicago office risks
Morningstar DBRS says it remains cautious about United Airlines' long-term commitment to the property after approvals for the carrier's new 113-acre development in Denver and its option to reduce part of its leased space beginning in 2028. United serves as the property's headquarters tenant and occupies about 20.0% of net rentable area, with its lease expiring in March 2033.The agency also notes that sponsor Blackstone is evaluating strategic alternatives for its ownership stake, including a potential sale, according to media reports. While term-default risk remains limited, the largest and third-largest tenants, United and Seyfarth Shaw LLP, have lease expirations scheduled within 36 months of the loan's fully extended March 2030 maturity, which could weigh on refinancing if either tenant reduces space or leaves.
Broader market conditions in Chicago add to that pressure. Morningstar DBRS says soft leasing demand in the Chicago office market has created a tenant-favorable environment and kept tenant improvement and leasing costs elevated, including in the relatively stronger West Loop submarket; Reis reports average vacancy there at 16.3% in the first quarter of 2026.
Even so, the agency notes that the property's in-place office rental rates remain generally aligned with prevailing market averages, supporting its competitive position. It also says the nonrated Class E and F certificates provide more than $320.0 million of subordination and substantial credit support to the rated classes.
Our earlier coverage of senior housing and skilled nursing REITs looked at how demographic tailwinds and limited new supply are supporting occupancy and earnings expectations heading into the summer reporting season. We also outlined how acquisition opportunities and dividend income remain key parts of the investment case for names such as Welltower, Omega Healthcare Investors, CareTrust and American Healthcare REIT.
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