Flashcube Building January 10, 2018 0 Facebook Twitter Google+ Pinterest WhatsApp The "Flashcube" building at 720 Main was completed in 1972 and has been vacant a dozen years. 720 Main St. | 184 apartments and 35,800 square-feet of commercial space | Cost: $50 million | Completion 2019 Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)MoreClick to share on Reddit (Opens in new window)Click to print (Opens in new window)Click to email a link to a friend (Opens in new window)