In the 1980s, when Nasser Nakib was a junior architect working in Soho, he used to slip over to Bond Street on his lunch breaks just to stand on the cobblestones. “In Provence you’re in a lavender field and you think, I could die happy here,” he says. “In New York, this block is it for me.”

On 34.5 acres with more than half a mile of Hudson River frontage, Ulster Landing is a circa-1800s Hudson River estate once held by one of America’s influential dynasties, the Livingston Family.