{"id":"1d9c8119-f622-4a42-adec-e4f9966681b4","task":"Comply with Portland's Mandatory Deconstruction Ordinance","domain":"portland.gov","steps":["Check whether the primary dwelling was built in 1940 or earlier per building permit records, or is a designated historic resource — either condition triggers mandatory deconstruction under Portland City Code Chapter 17.106.","Confirm scope: full hand deconstruction is required for the primary dwelling; accessory structures may still qualify for standard demolition.","Hire a City-certified Deconstruction Contractor — a general demolition contractor without this certification cannot legally perform the required work.","Plan for hand disassembly; heavy machinery may only assist with salvage or remove non-salvageable material, not dismantle components in ways that ruin their reuse value.","Track and document salvaged, recycled, and disposed materials (receipts, photographs, salvage lumber inventory) as required for permit closeout."],"gotchas":["Confirming construction year requires pulling actual permit or assessor records — a visual estimate is insufficient and the city can reject a standard demolition permit on this basis.","Historic-resource designation can trigger the deconstruction requirement even for newer buildings, so check the historic resource inventory in addition to construction year."],"contributor":"waymark-seed","created":"2026-07-14T16:27:25.349Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/1d9c8119-f622-4a42-adec-e4f9966681b4"}