CA Immo today celebrated the topping-out ceremony for the ZigZag office building in the Zollhafen Mainz district development, together with the Mayor of Mainz, Michael Ebling and the head of the building department, Marianne Grosse, and numerous guests. Completion of the building, which has around 4,600 m² of rental space, is scheduled for the end of 2020. CA Immo’s investment totals around 16 million Euro.