Willis Tower Investment Exit Poses Big Challenge For Blackstone

Blackstone faces hurdles exiting Willis Tower as office values fall and a $1.3B loan complicates any potential sale amid weak demand.

February 12, 2026

Jordan B.

Blackstone invested over $2B in Willis Tower since acquiring it in 2015.
Current office market trends and high debt make a profitable sale difficult.
The property’s $1.3B loan would set a record for single-asset loan assumptions.
Willis Tower’s unique revenue streams and scale limit its buyer pool.

Key Takeaways

Investment in Focus

CoStar reports that Blackstone has owned the 110-story Willis Tower in Chicago since 2015, spending more than $2B including acquisition and major renovations. The firm faces mounting uncertainty about how it could exit the investment, as office values in Chicago’s downtown have plunged and debt on the property approaches record levels.

Talks have reportedly taken place between Blackstone and select investors about selling Willis Tower or finding a buyer willing to assume the property’s $1.3B in commercial mortgage-backed securities (CMBS) debt, highlighting the scale and complexity of any exit.

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Record Loan, Uncertain Future

Assuming or selling the $1.3B loan tied to Willis Tower would be the largest such transaction ever for a single property. Experts note the pool of potential buyers is small, as any new owner would be closely scrutinized compared to Blackstone’s strong track record. Loan servicers could apply extra conditions due to the size and market risks involved. Blackstone extended the loan maturity to at least 2028, offering some runway as it evaluates next steps. The situation mirrors a broader shift in commercial real estate finance, where loan modifications have climbed into the tens of billions as borrowers seek flexibility in a tighter lending environment.

Operating Performance Holds Steady

Despite market headwinds, Willis Tower remains financially stable. In 2024, the property generated about $129.8M in net operating income, comfortably above its debt payments. Management has kept occupancy at roughly 89% across its nearly 4M KSF of office space, with prominent tenants like United Airlines and Adtalem Global Education.

A key source of revenue is the Skydeck observatory, drawing more than 1.2M visitors and over $50M annually, while broadcast antennas add an additional $10M to $11.5M in revenue.

Valuation and Market Dynamics

A 2024 appraisal placed Willis Tower’s value at just $1.03B, well below its loan balance and significantly down from a 2018 valuation. Including the Skydeck as a business pushes value estimates closer to $1.4B–$1.6B, but office market liquidity remains low. Comparable Chicago trophy assets have changed hands or refinanced at far lower levels, underscoring limited appetite for mega-deals in the sector.

Paths to Exit Remain Murky

Industry observers say Blackstone might pursue creative options, such as splitting Willis Tower into office, observatory, and retail components, or seeking institutional partners. Alternatives like turning the asset into a publicly traded REIT or negotiating further loan modifications are also possible. However, given the investment’s size and unique profile, any exit—whether via sale, recapitalization, or even a handover to lenders—will be closely watched across the commercial real estate sector.