This Carnegie Hill penthouse has three terraces and a corner bedroom suite

Welcome spring in Carnegie Hill from the penthouse atop 17 East 89th St., which offers more than 1,000 square feet of outdoor space. Listed for $5,995,000 (with monthly maintenance of $5,628) the six-room co-op is accessed via a private elevator, and has a spacious foyer and gallery. There are parquet wood floors, plaster moldings, and nine-foot ceilings throughout.

The apartment's large living room has a wood-burning fireplace, and double doors leading to the eastern terrace.

The corner master bedroom also has access to the terrace, as well as its own en-suite bath and a walk-in closet. 

The apartment has a formal dining room, and a mahogany-paneled library, and the kitchen is outfitted with high-end appliances.

There's a den, above, and an additional room off the kitchen that can be used as an office. That room has access to a north-facing terrace. 

The terraces have motorized awnings. 

The building is described as white glove, and has a gym, a pet-friendly policy, no summer work rules, and storage in the basement. Pieds-a-terre are permitted.