Well, if it puts you at your ease, this isn’t one of his primary residences.
Exterior
Jarvis offers Peggy a chance to stay at this lavish penthouse in New York, but she declines the offer.
The initial stock footage of the exterior of Howard’s penthouse (above) is of the top of 730 5th Avenue in New York.
MAP
Later in the episode a second establishing shot of the exterior of the building housing the penthouse is seen. This features Trinity Church, in the left foreground–along with its cemetery, and focuses on the building located at 111 Broadway.
MAP
Interior
The hallway and bedroom scenes for Howard Stark’s penthouse are an unconfirmed location. It’s unclear if they are from an actual location or a soundstage.
MAP
This is an unknown location on MCU: Location Scout. If you have any information about the whereabouts of this location or any other tips, please send them in to MCULocationScout@gmail.com
(Agent Carter S01E02, 2015)