Parker Willis House

Others included saving the old concrete walls and uncovering the history of the building, which Willis, a developer, divided into eight units, keeping one for himself.

In the new 2,770-square-foot apartment, original I-beams brace the structure at dramatic angles and collide overhead, and the raw concrete is tempered by blackened steel, white-oak flooring, and bush-hammered Carrara marble—all selected by Willis.

Severns put in a glass-block wall to separate the office from the guest bedroom, and created brand-new bathrooms.

“The structural elements were left rough and exposed while the baths were designed to be clean and sleek,” Severns says. The bathroom is by Henrybuilt.

White also dominates the kicthen, also by Henrybuilt, with accents of stainless steel and wood.