TL;DR (generated, confidence: high)
Portal listing residential permitting forms, guides, and reference documents with update dates, covering permits, septic systems, zoning, and design requirements for Portland residential development.
Key points:
Daily Pre-Issuance List for residential and sign permits (updated April 17, 2026) (Documents ↗ )
Daily Pre-Issuance List for Solar, Mechanical (stand-alone), and Residential Deferred Submittals and Revisions (updated April 17, 2026) (Documents ↗ )
FAR (Floor Area Ratio) regulations define relationship of building area to site area to determine how much building is allowed (Documents ↗ )
Septic systems required for properties without physical/legal access to public sanitary sewer; septic approval and decommissioning permits available (Documents ↗ )
Neighborhood Contact requirement (form last updated 12/03/2020) must be completed before land use review or building permit submission (Documents ↗ )
Residential deck guide provides permit-ready prescriptive plans for design, permitting, and inspection (updated February 3, 2026) (Documents ↗ )
Tree removal form required only when removing trees 36 inches or greater on private property (updated February 5, 2026) (Documents ↗ )
Field Issuance Remodel (FIR) Program maintains list of registered contractors (updated March 10, 2026) (Documents ↗ )
Entities: document: Pre-Issuance List | regulation_concept: Floor Area Ratio (FAR) | program: Field Issuance Remodel (FIR) Program | requirement: Neighborhood Contact requirement | form: Land Use Type III Decision Appeal | reference_document: Erosion and Sediment Control Manual | zoning_designation: Airport Noise Impact Overlay Zone
Permitting & Development — Intro
← Permitting & Development
Residential bathrooms
Source: Residential bathrooms ↗
Do you want to convert part of your home to a bathroom? These pages explain what permits you’ll need and how to get your new bathroom inspected. Some projects may qualify for the faster Simple Bathroom Program. Use the navigation menu to find out more about each step.
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