Rise to the Occasion: Views Inspire A Penthouse by Steven Harris

Dining chairs by Ib Kofod-Larsen gather beneath a custom chandelier by Lindsey Adelman. Photography by Scott Frances/Otto.

From the dining area to the pavilion’s skylight, the stairwell rises 11 feet. Photography by Scott Frances/Otto.

In the family room, a custom rug in silk and worsted anchors Rodolfo Dordoni’s sofa, a vintage Jorge Zalszupin chair, and a custom cork-topped cocktail table. Window panes were limited to dimensions of 61?2 by 91?2 feet, due to the size of the building’s freight elevator. Photography by Scott Frances/Otto.

Eero Saarinen chairs surround a custom table in the kitchen. Photography by Scott Frances/Otto.

Stacking sliders can open the gym pavilion to the roof ’s artificial turf. Pergola beams are teak. Photography by Scott Frances/Otto.

Ascending through the family room at a NewYork triplex by Steven Harris Architects, treads in 3?4-inch-thick plate steel are wrapped in leather. Photography by Scott Frances/Otto.

Flooring is wire-brushed, limed European white oak. Photography by Scott Frances/Otto.

Calacatta marble tile surfaces walls in the powder room. Photography by Scott Frances/Otto.

Linen-covered cushions and pillows soften the kitchen’s granite banquette. Photography by Scott Frances/Otto.

Off the dining area, custom zinc planters edge a terrace with a view of the Municipal Building, completed in 1914 by McKim, Mead & White. Photography by Scott Frances/Otto.

Solid-surfacing tops kitchen cabinets with doors in back-painted glass. Photography by Scott Frances/Otto.

Backed by hand-cast resin veneer, stair treads appear to be suspended on stainless-steel wire connected by horizontals in the same material. Photography by Scott Frances/Otto.