Accessory Dwelling Units Program Guide

Bureau of Development Services, 2016

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Accessory Dwelling Units

This local guide explains the application and review process for developing accessory dwelling units (ADUs) in Portland, Oregon. It defines ADUs, details necessary application materials and review process steps before discussing applicable development charges, zoning regulations, construction code requirements, and utility connections. It concludes with contact information for potential applicants.

Portland, OR

2010 Population: 583,776

2010 Population Density: 4,375.25/square mile