A ratio calculated by comparing the number of automobile parking spaces at a project to the gross leasable area (GLA) of a building. This ratio is usually expressed in number of spaces per 1,000 square feet of gross leasable space. It varies by property use, with labor-intensive operations needing higher parking ratios. For example, a building with a GLA of 800,000 sf would have 800 spaces expressed as 8 spaces/1,000 sf.

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