Find apartments · Understand your Mietvertrag · Tenant rights (BGB) · Fight unfair rent increases
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→ facebook.com groups§551 BGB: Landlord can only demand max 3 months net cold rent as Kaution. You can pay in 3 monthly instalments. Must be kept in a separate account and returned (with interest) within 3-6 months after moving out.
§558 BGB: Landlord can only raise rent up to 20% over 3 years (15% in Milieuschutz areas). Must reference the local Mietspiegel. You can challenge any increase that exceeds this. File written objection within 2 months.
§556 BGB: Only costs explicitly listed in your Mietvertrag can be charged as Nebenkosten. Annual statement must arrive within 12 months. You have right to see all receipts (Belegeinsicht). Dispute wrong charges in writing within 12 months of receiving the bill.
§573 BGB: Landlord can ONLY evict you with legal justification: rent arrears ≥2 months, material contract breach, or genuine Eigenbedarf (personal use). Many eviction notices are legally invalid. Never move out without consulting a Mieterverein first.
Renovation clauses in standard lease templates are often legally invalid. You do NOT have to repaint or renovate just because you move out, unless clearly and specifically agreed in writing with valid legal wording. Consult Mieterverein if you receive renovation demands.