Read in a local paper from Libertyville, IL that CB McDonald's home on Chicago Golf Club -- aka Ballyshear -- is for sale. Apparently a few structural changes have been made to the house so it is ineligible for historical status. The town of Wheaton is worried that a buyer might tear the place down and rebuild and/or make major renovations. They are hoping that someone with an appreciation of the home's history buys it. Apparently CB McDonald was friends with high society members, and the house hosted the likes of the Vanderbilts, etc.
The selling price is $2.7 million, in case anybody is interested. I'm sure you can find the article on Google.