Property Valuation

The 'gross building area' (GBA) of an Arizona commercial property differs from 'net rentable area' (NRA) in that:

AGBA and NRA are the same measurement
BGBA is the total floor area measured from exterior walls; NRA excludes common areas, mechanical spaces, and non-rentable portions✓ Correct
CNRA includes parking structures; GBA does not
DGBA is used for residential; NRA is for commercial only

Explanation

GBA (or Gross Floor Area/GFA) measures total building area from exterior walls. NRA (or Net Rentable Area) is the portion tenants actually lease—excluding lobbies, mechanical rooms, stairwells, and other common areas.

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