Billionaire Bill Koch has listed his expansive Aspen estate for $125 million, a significant increase from the $26.5 million he paid for it in 2007. Shawn O'Connor Billionaire energy mogul Bill ...

Billionaire Bill Koch has put his 16,600 ... with room for cross-country skiing, hiking, snowmobiling and fishing in its ponds. Koch’s mansion would be impossible to build now because of size ...

A sprawling Colorado estate long owned by billionaire businessman, sailor, and avid art and wine collector William “Bill” Koch has just ... and cross-country ski trails, the 52-acre spread ...

Koch, 84, who is worth an estimated $2 billion according to Forbes, made his fortune through oil and investments—but over the years has plowed a hefty portion of that wealth into real estate ...

billionaire industrialist Bill Koch is trying again to unload the rest of the property. This time he’s asking $125 million, more than double the 2016 price.

A sprawling Colorado estate long owned by billionaire businessman, sailor, and avid art and wine collector William “Bill ... country ski trails throughout the estate. Per The Wall Street Journal, ...

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