20210304 07241700 1.0 TRUE Buildings Regional buildings with building height and roof elevation information. Many 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 can be used to dissolve the buildings into generalized building footprints. --Additional Information: Category: Building Purpose: To develop and maintain an inventory of all buildings in the Portland metropolitan region. Used to store attribute information for buildings throughout the region. Also used for 3D modeling. Update Frequency: As Needed -- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52412 Bureau of Planning and Sustainability