Portland Kitchen Bath and Basement Remodel Permit Guide

Portland remodels should be checked for building, electrical, plumbing, mechanical, insulation, egress, waterproofing, and final inspection requirements before walls are closed.

Permit takeaway

Portland interior remodels often need permits when walls move, fixtures relocate, circuits are added, plumbing changes, ventilation changes, or unfinished space becomes habitable.

Zoning and placement

Most interior remodels are building-code projects, but zoning can matter when the work changes use, adds a dwelling unit, affects parking, adds bedrooms, or creates rental space.

Building and trade review

Building and trade review commonly checks framing, electrical circuits, plumbing rough-in, shower waterproofing, exhaust fans, HVAC supply and return, basement egress, fireblocking, insulation, and final finishes.

Call before applying when

Call before applying if the work includes a new bathroom, kitchen layout change, basement bedroom, structural wall, new circuits, plumbing relocation, exhaust fan, gas appliance, or finished basement area.

Documents to prepare

• Existing and proposed floor plan
• Electrical and plumbing scope
• Mechanical or ventilation details
• Egress details for sleeping rooms
• Contractor or owner-builder information

Inspection planning

• Apply before demolition when walls will be opened
• Schedule framing and trade rough-ins
• Do not cover rough work before approval
• Complete insulation or fireblocking checks
• Request final inspection

Official sources

• Portland Residential Permits and Inspections
• Portland Do You Need a Permit

This guide is a planning summary. Always verify the current requirements with the local office before starting work.