Detroit has become a five-sport town: The Pistons, Red Wings, Lions and Tigers have been joined by Dan Gilbert’s Bedrock Real Estate Services LLC, the entity that has made a sport out of assembling a downtown Detroit portfolio of commercial buildings. In the process, Gilbert is becoming the city’s biggest advocate. Talking about Detroit’s office market without including Gilbert’s latest investment is akin to discussing Detroit’s economy and excluding the automotive industry. The Quicken Loans founder and principal shareholder of the Cleveland Cavaliers put himself on the region’s real estate game board when the recession ended and he started buying up properties. To date, Gilbert and his team have amassed a portfolio of more than 85 properties in and around the downtown comprised of more than 13 million square feet and valued in excess of $2.2 billion. The March 2015 acquisition of the 43-story One Detroit Center at 500 Woodward Ave. — which has since been renamed Ally Detroit Center — and attached 2,070-space parking deck for well over $100 million was his biggest deal during the acquisition spree. Ally Financial is completing its relocation to the building this spring from the nearby Renaissance Center, as well as bringing employees …
