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The City of Portland, Oregon

Planning and Sustainability

Innovation. Collaboration. Practical Solutions.

Phone: 503-823-7700

Curbside Hotline: 503-823-7202

1900 SW 4th Ave, Suite 7100, Portland, OR 97201

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What is floor area?

Floor area is the total portion of a building that is above ground. Floor area is measured from the exterior faces of a building or structure. Floor area typically includes the area devoted to parking in a structure that is above ground level.