Residential

ADUS

SMALL HOMES, BIG BENEFITS

Changes in both Portland and Seattle building code have made Accessory Dwelling Units (ADUs) more attractive than ever. Done right, this housing type reaps major rewards for homeowners, from rental income to aging-in-place independence.

Find the Space to Fit Your Needs

ADUs take many forms – they can be garage conversions, attic or basement living spaces, attached additions, or new detached units. Sometimes called “in-law apartments”, “granny flats”, or “backyard cottages,” these small-footprint infill projects support sustainable, walkable, accessible neighborhoods.

ADU 101

Looking into building an ADU on your property but not sure where to start? We put together this overview about accessory dwelling units and how to get started building your own.

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How Much Does It Cost to Build an ADU?

Building an ADU is essentially squeezing all of the elements of a larger house onto a smaller footprint, so per square foot cost doesn’t tell the whole story. Check out this article if you’re looking for a general idea of how much ADUs cost to build.

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Frequently Asked Questions About ADUs

Have questions about building ADUs in Portland and Seattle? We may have already answered them! Check out these two articles to see answers to commonly asked questions about accessory dwelling units.

FAQ: Portland ADUs
FAQ: Seattle ADUs