City of Portland, OregonThe BDS Residential Demolitions Permit dataset reflects current and historic building permits for the demolition of residential one and two family structures within the City of Portland. Demolitions are regulated by the City's Building Regulation Code, Title 24. Demolition means the removal of the entire structure down to the subflooring, such that none of the existing superstructure is maintained. Demolition includes alteration, abandonment or removal of all of the existing perimeter foundation. --Additional Information: Category: Development Purpose: Demolitions of one and two family structures within residential zones have special notification and delay requirements within the City of Portland. The City of Portland notifies all abutting property owners and recognized organizations such as Neighborhood Associations. These types of demolitions also have a mandatory 35 day delay period for interested parties to work with the property owner to negotiate alternatives to demolition. After the delay period has elapsed the permit is issued and demolition activities can occur. Update Frequency: Continuous -- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=54377ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/6e7e1ea24d254e93b010ebb9eaa2ae4b_126engPortlandMaps Open DataPublicResidential Demolition Permits [Oregon--Portland]Web servicesOregon--PortlandOregonLast Modified: 2026-01-08