taxpayer

A Chicago residential lot "worth $12 million"

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That's according to the owner, a developer who hopes to build another mansion on Orchard Street somewhere south of Armitage. The lot is 130X125', 16,250 sq ft. That implies a value of $738/sq ft. Source is this article from Crains, which also notes that Penny Pritzker and some other richies have mansions in the area.