A truly special Upper West Side penthouse, PHB at 34 West 74th Street crowns a landmarked prewar cooperative moments from Central Park. Rich in architectural character and elevated by exceptional outdoor living, this duplex residence is currently configured as a 1-bedroom, 2-bathroom home with a private terrace. Interiors showcase timeless New York elegance, featuring an open kitchen and dining area, a wood-burning fireplace, and custom wood paneling with integrated storage that brings both warmth and function to the home. The primary suite is thoughtfully designed with a walk-in closet in the main bedroom, adding comfort and practicality to the layout. Beyond its immediate beauty, PHB offers a meaningful design opportunity: the residence can be expanded into a 2-bedroom, 2-bathroom layout (alternate layouts included), with potential for either a private roof deck or a semi-private terrace experience, allowing the next owner to tailor a one of a kind bespoke penthouse lifestyle. Washer and dryers are also allowed in unit. Set within an intimate, self-managed cooperative with elevator access, laundry, and bike storage, and permitting pied-à-terres and pets, this is a rare opportunity to acquire a character-rich penthouse with the scale, flexibility, and long-term value in one of Manhattan's most coveted locations.