Widow of billionaire David Koch unloads Manhattan townhouse

The $41 million transaction is merely the most recent in a string of deals by philanthropist Julia Koch, who also purchased a pair of Upper East Side apartments last year from the estate of Paul Allen. Continue reading

Estate of Microsoft co-founder Paul Allen sells 2 apartments for $101M

The deal on the Upper East Side units at 4 East 66th Street, which were never publicly listed, included a penthouse and a second apartment on a lower floor, according to records. Continue reading

The 20 biggest luxury beach sales of 2021 (so far)

From mansions in Palm Beach, Florida, and Malibu, California, to an estate on Hawaii’s Big Island, here are the most expensive beach home sales in 2021. Continue reading

Keller Williams announces 3 new international markets

Keller Williams expanded its franchise operations to Ireland and will soon launch in Chile and Italy, the company announced at its annual Keller Williams Family Reunion event in New Orleans. Continue reading