When a couple of creatives snapped up a residence in Seattle’s woodsy Denny-Blaine neighborhood, it was a 1990s postmodern structure with bright-red cladding and tiered cornices. It wasn’t exactly the duo’s style, but they saw the potential for turning the house into a calming, modern retreat. Working with the local firm SHED Architecture, the owners, their three kids, and two dogs now occupy the three-story home they describe as like living in a treehouse.
One…

