Site Development Permit

Apply for a permit for grading, retaining walls, and site improvements in Portland per Chapter 24.70 (Clearing, Grading, and Retaining Walls). Required for earthwork exceeding 10 cubic yards, vegetation removal exposing bare soil, new retaining walls over 4 feet, tree cutting on steep slopes, private infrastructure, and modifications to drainage patterns. Application is submitted as a building permit type via DevHub with 'Site Development Permit' in the description. Plans must be prepared by an Oregon-licensed Professional Engineer.