Originally constructed in 1879, this 20ft wide Neo-Grec-style townhome boasts an imposing façade and enjoys a coveted location between Madison and Park Avenue, just steps from Central Park. Spanning five stories plus a loft mezzanine, this grand residence offers approximately 8,270 square feet of interior space, complemented by 1,560 square feet of outdoor living across four distinct terraces. Additionally, the home includes a 2,000-square-foot excavated lower level with enhanced ceiling heights. Currently configured as a single-family residence atop a ground-floor professional space, the property provides unparalleled flexibility. It can remain in its current layout or seamlessly incorporate the professional space into the main home. The luxurious residence occupies four floors and is designed for both entertaining and everyday living. The open, loft-like parlor floor features grand living and dining areas, as well as a chef’s kitchen that opens to a large terrace. The home’s seven bedrooms are highlighted by the top-floor primary suite, complete with an en-suite marble bath, abundant closets, and an adjacent double-height study with a private terrace and roof access. Additional bespoke features include a sweeping grand staircase, a newly installed commercial-grade elevator servicing every floor, a soundproof media room, upgraded mechanical systems, radiant floor heating, and a comprehensive whole-home security system. 51 East 67th Street is perfectly located in the heart of the Upper East Side, surrounded by world-renowned shopping, galleries, museums, and New York’s finest restaurants.