The Rent Review Office is a low-threshold advisory service offered by the state of Berlin for individual initial consultation in cases of suspected excessive rent. The rent review office is open for all tenant households in Berlin. The rent review office will support you in checking your rent and advise you on further steps to pursue your rights in the event of excessive rent.
The consultations are carried out on behalf of SiWo (Sicheres Wohnen – Beteiligung, Beratung, Prüfung Anstalt öffentlichen Rechts) by Mieterberatung Prenzlauer Berg and asum and are free of charge. You can contact the rent review office on weekdays by phone or email with your concerns or to arrange an appointment. The face-to-face consultation hours take place at three central locations in Berlin, and there are also telephone consultation hours.
You can find the contact details and office hours here.