City of Portland, OregonDisaggregated zoning features. Base zones, overlay zones, comprehensive plan designations, comprehensive plan overlays (where different from zoning), plan districts, historic districts, conservation districts and natural resource management plans disaggregated from zoning_pdx and dissolved. -- Additional Information: Category: Zoning Code Purpose: Cartography. Targeted analysis Update Frequency: Nightly -- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=54688ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/90a81431a82d446a8aab01006220d982_266engPortlandMaps Open DataPublicDisaggregated Zoning [Oregon--Portland]Web servicesOregon--PortlandOregonLast Modified: 2025-07-12