The Upper East Side mansion boasts 14,700 square feet of living space, is equal parts whimsy and luxury, and includes a rooftop terrace and basement-level gym and spa. Its owner, Keith Rubenstein ...

Dorothy Arnold was 25 when she disappeared from her Upper East Side mansion with today's equivalent of $1,000 on an icy Monday morning in December 1910. The eldest daughter of perfume importer ...

In early December Popular Bank dragged the Chetrit family's patriarch into court after he missed six months of payments on a $19 million loan that was secured by his Upper East Side mansion.

Naftali Group has signed a contract to purchase a luxury apartment property in Upper East Side of Manhattan for more than ...

The Real Housewives of New York City star, 58, has re-listed her five-story Upper East Side townhouse for $8.75 ... and Kroy Biermann Sell Georgia Mansion for Less Than Half Original Asking ...

A&E recently put the 413-unit Holland complex on the Upper West Side up for sale, The Real Deal reported. The multifamily landlord is looking for a price around $200 million, about a third less than ...

54th St., which are identical 5-story mansions and where Southern Italian restaurant Il Gattopardo is located. It's unclear what the Wilfs have in store for the four Upper East Side lots ...

Originally built in 1910, the 25-foot-wide limestone mansion was designed by Stanford ... 973 5th avenue, a gilded-era townhome in NYC's Upper East Side. 973 5th avenue, a gilded-era townhome ...