Exterior of Haseman House by Willa Work

A Portland Designer Revamps Her Backyard With a Peaceful ADU and a Tiny Tree House

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Technically, this small building is not a tree house, since it’s braced at the ground by supports, but Grey didn’t want to compromise the tree, which "doesn’t have a very long lifespan," the designer says. "So, I didn’t want to jeopardize however long that tree had with any excess baggage."