Conveniently located on lower Park Avenue where NoMad and Murray Hill converge, this expansive 3 bedroom/3 bath renovated prewar residence provides approximately 3000 Sq. Ft. of loft style living space. This dramatically designed penthouse duplex offers 2 private set back terraces and additional roof rights atop a stunning landmarked Stanford White Mansion. Perfectly designed for entertaining, this property contains 7 rooms designed with an elegant and modern aesthetic. The lower level is flanked by 6 floor to ceiling windows and features a Poggenpohl kitchen outfitted with Absolute granite countertops, stainless steel clad cabinetry, Miele stainless steel dishwasher, Wolfe stainless steel 5 burner gas range, Miele stainless steel convection oven and warming drawer, Sub-zero stainless steel refrigerator/freezer and a Sub-zero stainless steel wine cooler. Bleached solid oak floors are laid on a diagonal and both the living room and the dining room feature wood burning fireplaces. The lower level also offers a bedroom, a Carrara marble bath with glass enclosed shower and laundry facilities with a full size washer/dryer. Ascend the architectural staircase and arrive at a sun flooded oasis. The upper level is comprised of 5 skylights, a den with a gas fireplace and French doors to a set back terrace, a master bedroom suite with a glass enclosed solarium, an en-suite spa bath and a 3rd bedroom with an en-suite bath. A spiral staircase leads to a private deck with additional roof rights. The outdoor space has been virtually staged for the web presentation. The apartment has been wired for sound and a Gemini computerized video security system and a multi-zone central air conditioning system have been installed. 23 Park Avenue, designed by McKim, Mead & White and built in 1890, is a 5 story Italian Renaissance palazzo and is the only remaining example of a late 19th century private mansion on Park Avenue. It is situated in the landmarked Historic District of Murray Hill. This pet friendly building has an elevator and an on site super from 7AM to 4PM. Shown by private appointment.