Detached ADU Portland: What You Can Build on Your Lot
Thinking about building a detached ADU in Portland? Learn what zoning rules, setbacks, and feasibility factors determine whether a backyard ADU is allowed on your property.
Thinking about building a detached ADU in Portland? Learn what zoning rules, setbacks, and feasibility factors determine whether a backyard ADU is allowed on your property.

Understand ADU feasibility in Portland before you design or permit. Learn how zoning, setbacks, and lot conditions affect your ADU project.

Discover your ADU possibilities in Portland & Vancouver PDX with our interactive ADU Wizard. Evaluate zoning, setbacks, and development potential, then upgrade to preliminary ADU plans you can download, revise, or customize for your property.