An 18-acre estate in the Hamptons just sold for $147 million, making it officially the most expensive residential property ever sold in the United States. The deal means there's a new kingpin in the elite club of US properties to have garnered nine-figure sums, as it's more expensive even than Connecticut's 50-acre Copper Beech Farm, which sold for $120 million less than a month ago. Curbed National has more. [Curbed National]
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