Luxury Real Estate: John Mack's UES Townhouse Hits the Market for $80M

A former Morgan Stanley CEO and his wife have listed their luxurious Upper East Side townhouse for $80 million, making it the priciest residential property sold in NYC in recent years. The 33-foot-wide, 16,000-square-foot property, formerly a carriage house, underwent extensive renovations and now boasts 20 rooms including a private guest suite and a screening room.

Christy Mack, the former CEO's wife, explained that the renovation of the once-carriage house was a complex process that took six years, requiring extensive work to transform it into a single-family home. The couple, who raised their children in Westchester, found the home with its original stables and needed to do a thorough renovation to make it habitable.

John Mack, who served as the CEO of Morgan Stanley for several years, and his wife Christy chose the UES townhouse not just for its luxurious living space but also for its historical significance. The couple's decision to return to Manhattan after raising their children in Westchester indicates their love for the city's history and culture.