And one luxurious property in Alpine ... exterior stone," he said. "To put a value on that, it's definitely north of $1 million just in material and install to do a full limestone house today.

A 34,000-square-foot mansion in Alpine, New Jersey, has sold for $20 million, according to Homes of the Rich. The home was initially listed for $34 million back in June 2011; even at a steep ...