Each one's assessed around a market value of 3 million (market value is 10x assessed value in Cook Co) http://www.cookcountyassessor.com/Captcha/VerificationPage.aspx?pin=14202280120000 http://www.cookcountyassessor.com/Captcha/VerificationPage.aspx?pin=14202280110000 Based on the publicly available records on the recorder's site (you can search those PINs at ccrd.info), it looks like they secured a credit line of up to 20,000,000 back in May 2008.