What Is an ADU and Why Are They So Popular in Portland?

Alameda Pdx Garage Addition

In the city’s ever-evolving housing landscape, one term keeps popping up in real estate listings, remodel conversations, and planning meetings: ADU. If you’ve found yourself asking what is an ADU and why so many homeowners are building one, you’re in good company. Short for Accessory Dwelling Unit, an ADU is a secondary, self-contained living space…

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Detached vs Attached ADU Which Is Best for Your Lot?

Portland basement ADU

Pacific Northwest homeowners increasingly turn to ADUs—Accessory Dwelling Units—as smart, space-enhancing investments. But when you’re evaluating options like a detached ADU versus an attached ADU, it’s important to understand how each impacts cost, privacy, access, and resale value. Catalyst Construction & Remodeling has built both types throughout Portland, and we’re breaking down when each one…

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ADU’s

Portland ADU Builders

Accessory Dwelling Units are a brilliant way to create new living spaces. ADUs, an unattached Ohana, or Casita can be built in several variations including a conversion of a section of an existing home, addition to an existing house, conversion of an existing garage or the construction of completely new building. At Catalyst, our Portland…

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