GLA, or gross leasable area, or GLA, is the part of a commercial or multifamily building that is designated for use by the tenant alone.
What are A, B, and C Class Buildings in Real Estate?
Commercial and multifamily real estate is generally identified by building quality or class. Class A, B, and C are the main categories, with “A” being best, and "C” being worst, though some properties may be referred to as “Class D.” Building classes are typically relative to the quality of properties offered on the local real estate market.