Thanks to a tweet, the Trump administration just hobbled a federal crackdown on corporate secrecy, and New York’s own laws ...

Mark Zuckerberg is the proud owner of a $23 million mansion in a nook of northwest Washington, D.C., directly across from the ...

A studio in the Osborne that has been on the market for nearly two years has ornate finishes, as shown in this listing photo.

The late antiquarian would buy houses on a whim and sell them just as fast. But he held on to his first love on West 24th.

This week, we have a one-bedroom on Sutton Place with original details (and very Sutton Place furnishings) as well as an airy ...

Besides better returns for investors with a quick flip (which Belmont estimated as a 20 percent return), he told The Wall ...

Any real-estate broker will tell you that the best deals are in co-ops, particularly the elite, Upper East Side buildings with rigid rules and palatial apartments that have largely been abandoned ...

The One Townhouse Sanford Smith Didn’t FlipThe late antiquarian would buy houses on a whim and sell them just as fast. But he held on to his first love on West 24th.

Scarlett Johansson and Colin Jost’s Park Avenue BargainThey bought a penthouse for $13 million, the same price the sellers paid in 2006.