Keeping the flow of the space throughout the 14 rooms, spread out over three stories, was a priority. So was tempering an extremely masculine aesthetic, “there was some softening of the edges I had to do,” and creating an environment that could hold up to three growing boys and their friends. “Plus, he doesn’t like a lot of clutter,” says Armstrong of the client. Built-ins were called into play, rendering the rooms sleek, easy-care, and durable. “He didn't want to have to think about changes or something getting knocked over or moved.” In the master bedroom, the entire wall is a built-in. An accent wall, done in wood paneling, finds it echo throughout the house. “We didn’t do them in every room, but in the the key areas of the house. We didn’t want to go overboard with too much.” The chair is from Summer House in Mill Valley. The bench was found on Etsy. The light are Tolomeo.