SAN DIEGO–Twenty percent ($929 billion) of the $4.7 trillion of outstanding commercial mortgages held by lenders and investors will mature in 2024, a 28% increase from the $729 billion that matured in 2023, according to the Mortgage Bankers Association’s 2023 Commercial Real Estate Survey of Loan Maturity Volumes, released here at the 2024 Commercial/Multifamily Finance Convention and Expo.