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How Much Does an ADU Cost to Build in Portland, Oregon? (2026 Guide)

How Much Does an ADU Cost to Build in Portland, Oregon? (2026 Guide)

by trianglebargroup | Dec 2, 2025 | Blog

Even with a cooling market and high interest rates, ADUs offer a smart path to equity and rental income. But before breaking ground, most homeowners want to know: How much does an ADU cost to build in Portland Oregon? ADU cost can vary widely based on size, design...

Types of Accessory Dwelling Units Allowed in Portland

by trianglebargroup | May 1, 2024 | Blog

The city of Portland has many types of ADU’s that are allowed.  Here is a list of the most common types that are permmited.  Detached ADUs: These are standalone structures separate from the primary residence, often found in the backyard of a property. Detached...