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Walter N. Rothschild Mansion

Location: New York
Price: $30 million
Bedrooms: N/A
Bathrooms: N/A
Square footage: 11,256 square feet (13,132 including basement)

The 28-foot-wide mansion originally built for Walter N. Rothschild and Carola Warburg-Rothschild has fluctuated in price from $35 million to $25 million and now is offered at the middle point, according to a list on Curbed naming it one of the "Top 10 Manhattan Properties That Just Can’t Sell." Rothschild’s family helped found Abraham & Straus department store and Federated Department Stores.

A special feature of the properties on this Upper East Side block is a common rear garden area totaling nearly 6,800 square feet. A low fence defines the individual yards (the Rothschild home’s is 33 feet deep facing another 33-foot deep stretch), while the effect of a large grassy expanse is kept whole. The gardens are unofficially named for the neighboring Lehmans of Lehman Brothers fame.