The short answer is that most ADU projects in Portland take between 4 and 10 months from first consultation to move-in, depending on design complexity, permitting timelines, and construction scope.

However, the construction portion itself is typically much shorter. The majority of time in an ADU project happens during the design and permitting phases before construction begins.

Thinking about adding more space to your existing home? Whether you're accommodating a growing family or just looking to enhance your property value, a home expansion in Portland is a major investment that requires expert guidance. In Portland, where space is often limited and building codes are strict, finding the right home addition contractor is crucial to a successful project.

This guide will walk you through everything you need to know before starting your home addition project in Portland, from common types of additions to pricing, permitting, and choosing the right contractor.