Dan Gilbert Adds Two Towers to Detroit Real Estate Portfolio. Dan Gilbert, Quicken Loans founder and perennial champion of Detroit’s downtown real estate market, recently added two skyscrapers to his collection. The two towers are on Detroit’s Woodward Avenue. He acquired the 1916 Albert Kahn-designed Vinton Building (left) in December and scooper up the 1001 Woodward tower (right), built in 1965, this month. For more insight on the company’s real estate enterprise, which now totals 2.8 million square feet of commercial and residential space in Detroit, read our Q&A with Gilbert’s real estate partner Jim Ketai here.