Exclusive | NYC mansion tied up in vicious divorce outed as the city’s priciest home in Mamdani’s pied-à-terre list

Love may be priceless — but when it all falls apart, it certainly comes with a price.

The Upper East Side mansion at the center of one of New York’s most vicious divorce battles has emerged as the most valuable single-family home in the five boroughs, according to a Post review of the city’s potential pied-à-terre list. That massive data dump, released last last week, inadvertently outed the addresses of thousands of wealthy property owners — and, in certain cases, the big names who own them.

The eight-figure property at 9 E. 86th St., assessed at $75.8 million, now belongs