Permitting & Development
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- [doc] Accessory Dwelling Units (ADUs) — An ADU is a smaller dwelling unit built on a lot with an existing house, created through conversion or new construction. The page covers permit requirements, property tax implications, and evaluation…
- [doc] Attic, basement, or garage conversion — Portland requires a building permit to convert attics, basements, or garages to habitable living space. Applicants must submit a completed building permit application, site plan, and architectural pl…
- [doc] Residential demolition permits — Residential demolition permits are required for any structure that originally needed a building permit, with separate permits for each structure. A demolition permit must be obtained before issuing a…
- [doc] Accessory Dwelling Unit (ADU) Connections: Water, Sanitary, and Storm Sewer — Guidance on connecting ADUs to Portland water utilities, including meter options (shared or separate), fee responsibilities, shut-off valve requirements, and SDC waivers.
- [doc] New Single Family Residence (NSFR) and New Detached ADUs — NSFR and detached ADU projects require Oregon CCB-licensed contractors and are reviewed under Oregon Residential Specialty Code and Portland Title 33. Homeowners can perform some work themselves unde…
- [doc] Residential Additions in Portland: Permits and Application Requirements — Building permits are required for residential additions to one or two-family dwellings in Portland, with electrical, mechanical, and plumbing permits potentially needed depending on project scope and…
- [doc] Fence Residential Building Permits — Portland's residential fence permit requires a building permit application, site plan, and structural plans with specific details about property lines, fence placement, and construction methods. Cont…
- [doc] Garages, sheds, and accessory structures — Portland requires building permits for accessory structures (garages, sheds, etc.) exceeding 200 square feet or 15 feet tall, with exemptions for small non-habitable structures and large lots.
- [doc] Manufactured Home Residential Building Permits — Portland requires building permits for manufactured home installations, with three permit types based on location and scope. Contractors must be Oregon CCB-licensed; homeowners may self-perform some…
- [doc] Major Residential Alteration and Addition Permit Requirements — The MRAA ordinance (2018) requires permits for major residential alterations (>50% exterior wall removal) and additions (>500 sq ft expansion) on properties with residential Comprehensive Map Designa…
- [doc] Simple Bathroom Permits — Portland's Simple Bathroom Permit program allows homeowners to add or legalize bathrooms in primary residences when interior-only and meeting specific criteria; applications are submitted via email a…
- [doc] Retaining Wall — Portland requires building permits for retaining walls over 4 feet high or supporting additional loads, along with contractor licensing and specific application requirements.
- [doc] Stairs Residential Building Permits — Building permits are always required for any stairway work (building, replacing, or modifying), as stairs are critical safety components. Both contractors and homeowners can perform the work, but con…
- [doc] Residential Seismic Strengthening — The page outlines prescriptive seismic strengthening criteria for residential buildings and explains how weak cripple wall bracing in both older and newer homes poses earthquake risk, even if foundat…
Source
Built from: https://www.portland.gov/ppd/ ↗ URLs covered (this subtree): 15