The level of outstanding commercial and multifamily mortgage debt increased by $40.1 billion, or 0.9%, in the first quarter, according to a report. Total outstanding commercial and multifamily mortgage debt rose to $4.7 trillion at the end of the first quarter, the Mortgage Bankers Association (MBA) said in a report Tuesday. Multifamily mortgage debt alone increased $23.7 billion, or 1.1%, to $2.1 trillion in the January - March period, compared ...