North Rhine-Westphalia Security Deposit Laws: Guide for Landlords
Security deposit rules in NRW, Germany: maximum amount, investment requirements, return deadlines, and permitted deductions for landlords.
法律免责声明
本内容仅供一般信息和教育目的。它不构成法律建议，不应作为法律建议依赖。法律法规经常变化——请务必核实当前法规并咨询您所在司法管辖区的持证律师，以获取针对您具体情况的建议。Landager 是一个物业管理平台，而非律师事务所。信息最后验证时间： April 2026.
The security deposit (Mietkaution) is a fundamental element of German rental law. In North Rhine-Westphalia, the federal provisions of the German Civil Code (BGB) apply, supplemented by case law from the Federal Court of Justice (BGH). Landlords who fail to comply with these rules risk having the deposit agreement declared void or facing compensation claims.
法律免责声明本指南提供一般法律信息。租赁法律可能会发生变化。请务必咨询该地区持证公证人或律师。
Maximum Deposit Amount
Under § 551(1) BGB, the security deposit may not exceed three months' net cold rent (base rent excluding operating costs)
Tenants are entitled to pay in three equal monthly installments, with the first installment due at the start of the tenancy.
Agreements requiring a higher amount are void to that extent — though the tenant must actively reclaim any overpayment.
Investment Requirements Under § 551(3) BGB, the landlord is obligated to:
- Keep the deposit separate from personal assets
- Invest it at a credit institution — typically in a separate savings account with a three-month notice period
- Earn market-rate interest on the deposit
The interest earned belongs to the tenant and is paid out together with the principal upon return of the deposit. Investing in higher-risk instruments (stocks, funds) without the tenant's explicit consent is not permitted.
Alternative deposit forms (if agreed in the lease):
- Bank guarantee (Bankbürgschaft)
- Pledged savings book
- Deposit insurance (Kautionsversicherung)
Return of the Deposit After the tenancy ends, the landlord has a reasonable period to inspect and settle accounts
Courts generally accept a timeframe of three to six months, depending on the complexity of outstanding items.
Permitted Deductions
A deduction for end-of-tenancy cleaning is generally only permitted if the tenant was validly obligated to clean upon departure and the apartment was left in an unclean condition.
Impermissible Deductions
- Normal signs of use and age-related wear
- Damage that existed at move-in
- Repairs qualifying as the landlord's maintenance obligation
Statute of Limitations
Best Practices for Landlords
- Create a handover protocol — detailed written record with photos at both move-in and move-out
- Maintain a separate deposit account — always keep a dedicated account
- Retain interest certificates — keep bank interest statements for the final settlement
- Respect deadlines — issue operating cost statements within 12 months after the billing period
- Do not offset without prior written notice
Landager helps you centrally manage deposit payments, returns, and deadlines with automatic reminders for due dates.
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当房东与租客法律在以下地区更新时，我们会通过邮件通知您： 绝无垃圾邮件 — 仅发送法律变更通知。
