Pooled commercial loans securitised into bonds.

  • Pooled commercial loans securitised into bonds.
  • Standard non-bank financing source for Class A US assets.

Commercial mortgage-backed securities (CMBS)

Finance · US

Short definition

Pooled commercial loans securitised into bonds.

Full definition

Standard non-bank financing source for Class A US assets. Tranched by credit rating (AAA to unrated). Servicing is highly procedural; modifications require special-servicer involvement.

Why this matters for Class A leasing

Commercial mortgage-backed securities (CMBS) is part of the finance vocabulary that institutional Class A occupiers, landlords, and advisers use across US markets. Understanding it correctly affects how you read lease documents, model occupancy economics, and benchmark deal terms across cities. Class A Atlas tracks the US definition alongside the global standard so cross-border occupiers can translate quickly.