The Mietspiegel (only in German) can be obtained free of charge at the landlords' association (Arbeitsgemeinschaft Haus und Grund) Bonn/Bad Godesberg, Oxfordstraße 2, 53111 Bonn (phone: 0228 635923) or from the tenants' association (Mieterverein Bonn und Umgebung), Berliner Freiheit 36, 53113 Bonn (phone: 0228 9493090).
For further enquiries in connection with the use of the Mietspiegel, please contact Mr. Konzen, phone: 0228 772952, mail: joachim.konzenbonnde.