Portland Residential Permit Guide

Portland residential permits cover one- and two-family homes, with building, electrical, mechanical, plumbing, zoning, site, and tree rules depending on scope.

Permit takeaway

Portland says residential permits are for one- and two-family homes, and different rules apply to apartments and buildings with three or more units.

Zoning and placement

All projects must follow zoning rules even when a building permit is not required.

Building and trade review

Portland lists common permit triggers including new construction, accessory structures, demolition, retaining walls, fences over seven feet, solar panels, and site development.

Call before applying when

Call before applying if the project includes outdoor work, trees, zoning overlays, solar, electrical changes, retaining walls, or accessory structures.

Documents to prepare

• Project scope
• Site plan
• Zoning information
• Permit application
• Trade details if applicable

Inspection planning

• Use the inspection card
• Schedule inspections with IVR or permit number
• Complete final approval 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.