Homes painted in rich reds, light greens, sunny yellows, and even magenta strut their hues up and down the streets of Southeast Portland. But on the corner of one such street, a dark gray house sets an elegant tone in the otherwise boisterously colored block. Perfectly poised above the sidewalk, the house sits just beyond a lush welcome mat of plantings. Inside, the glass bubbles of a chandelier hang from the ceiling, their reflections twinkling on the glossy black floors and interior trim...