CMBS (Commercial Mortgage-Backed Securities)
CMBS is commercial real estate debt that has been securitized — pooled with other loans and sold as bonds to investors — typically used for 5–10 year fixed-rate non-recourse financing on stabilized properties.
What it means
CMBS loans are originated by banks or conduit lenders and then pooled into trusts that issue bonds backed by the loan cash flows. The borrower gets long-term fixed-rate non-recourse debt; the trust gets diversified cash flow.
CMBS has distinctive traits: rigid loan covenants, aggressive prepayment lockouts (defeasance, yield maintenance), special servicing when loans go into distress, and very limited flexibility compared to portfolio debt. Borrowers who expect to sell, refinance, or substantially modify properties during the loan term often avoid CMBS for this reason.
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