What happens
Final inspections happen after all visible work is complete. Each discipline that did a rough-in comes back:
- Building final (PP&D) — verifies finished work matches plans
- Plumbing final — fixture installation, water heater, pressure
- Electrical final — devices installed, GFCI/AFCI verified, grounding bonded
- Mechanical final — heat pump operational, ventilation working
- BES final — stormwater facility built and connected
- Urban Forestry final (if mitigation plantings were required) — verifies trees planted
How to schedule
- Try to schedule all the trade finals within the same week — each one needs the GC or sub on site.
- Schedule the building final last; it depends on the others passing.
- Each inspection is a separate DevHub request or call to PP&D's inspection line, 24-48 hours ahead.
What gets caught at final
- Missing GFCI in a wet location
- Smoke and CO detector placement
- Bath fan ventilation rate
- Handrail heights
- Egress dimensions on bedroom windows
- Hose bib backflow preventers
All easy to fix, but you don't want to find out at final. A GC pre-final walk-through usually catches them.
Where this information came from
- Portland Permitting & Development — Accessory Dwelling Units · retrieved April 23, 2026
- Portland City Code Title 33.205 — Accessory Dwelling Units · retrieved April 23, 2026
- Portland Maps (per-address zoning, hazards, utilities) · retrieved April 23, 2026
- Portland PP&D — System Development Charges (current fee schedules) · retrieved April 23, 2026
- Oregon CCB — Verify a Contractor · retrieved April 23, 2026
- Accessory Dwellings (Kol Peterson) — Portland-focused ADU resource · retrieved April 23, 2026