Construction Glossary
Assignable Square Footage (ASF)
Usable square footage within a building space (measured from one finished wall to another finished wall).
What Is Assignable Square Footage (ASF)?
The portion of a building’s total square footage designated for use by tenants or occupants, excluding common areas like hallways, elevators, and restrooms. This measure is used to determine the usable space within a building and is crucial for lease agreements, space planning, and facility management. It provides a more accurate representation of space available for actual use compared to gross square footage, which includes all areas within the building's exterior walls.
Example
Usable office space measured at 2,000 square feet.
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