Billionaire Bill Koch has put his 16,600-square-foot log mansion on 52 acres in Aspen up for sale for $125 million.

The post Oil Billionaire Bill Koch Lists His Eco-Friendly 'Once in a Lifetime' Aspen Estate for $125 Million—More Than Four ...

After selling a portion of his Elk Mountain Lodge estate in Aspen, Colo., billionaire industrialist Bill Koch is trying again ...

A sprawling Colorado estate long owned by billionaire businessman, sailor, and avid art and wine collector William “Bill” ...

You’ll have to boast a particularly robust bank account to nab billionaire Bill Koch’s newly listed wintry Colorado retreat.

This is not the first time Bill Koch has listed the home for sale.

PITKIN COUNTY, Colo. — Billionaire Bill Koch has listed his 52-acre Aspen retreat for sale for $125 million. The Elk Mountain Lodge property hit the market on Wednesday, and Koch was confirmed ...

Palm Beach Post Bill Koch Lists Aspen Estate for $125M Billionaire Bill Koch is looking to sell his Elk Mountain Lodge compound in Aspen, Colorado, for $125 million, which includes a 16,600-square ...

William M. “Bill” Koch of Stuttgart passed away on Monday, Feb. 3, 2025. His parents were Martin W. Koch Jr. and Onabelle ...

The energy mogul is looking to cash in on Aspen’s red-hot luxury market by offering up his massive property that’s replete ...

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.