To avoid unpleasant surprises right from the beginning, the City of Vienna offers free-of-charge housing- and tenancy-law counselling as well as special information services for problem prevention aimed at different target groups.

These services comprise numerous areas, e.g. advice for persons planning to rent or purchase a flat or wishing to move out of a flat and return it to its owner, but also for the organisation and moderation of tenants’ or residents’ assemblies. For this purpose, the GB* offices co-operate closely with the competent departments of the Vienna City Administration and other institutions.

For further information (in German)
https://www.gbstern.at/ueber-uns/was-wir-tun/beratung/