If the deposit refund exceeds the six-month period:
- Contact Berliner Mieterverein (Tenants' Association):
- One of the largest tenants' associations in Berlin, offering legal advice and support for rent-related issues. Membership requires an annual fee but grants full access to their services.
- Seek Mieterberatung (Tenant Counseling):
- Various counseling services in Berlin offer free or low-cost advice. They can help with tenancy agreement issues but do not provide legal representation in court. Many are run by local districts or non-profit organizations.