As of April, $19.9 billion in office CMBS loans will mature by next spring. That’s a marked increase over the $8.75 billion in office CMBS debt that matured in 2023. Outside of the CMBS universe, $929 billion — or 20% of the $4.7 trillion in outstanding commercial mortgages across all CRE lender types — will mature in 2024, a 28% increase from $729 billion that matured last year.