20210304 09420400 1.0 TRUE Building Footprint Regional building footprints. Original buildings are constructed of multiple "polygons" representing the different building heights. All polygons making up a single building have the same "building ID" [Bldg_ID], which was used to dissolve the buildings into generalized building footprints. Attributes that apply to the entire building were retained. Portland Bureau of Planning and Sustainability/Portland Bureau of Development Services