Hesse Residential Security Deposits: Landlord Rules

The "Kaution" in Hesse is heavily regulated to protect the tenant's capital. Landlords must act as trustees, ensuring funds are held safely and returned promptly once all legal obligations have been met.

The security deposit (Mietkaution) is one of the most important security instruments for landlords in Hesse. Federal law (BGB) uniformly regulates maximum amounts, payment methods, and the obligation to invest the deposit separately. This guide provides a detailed overview of your rights and obligations as a landlord.

Deposit Rules at a Glance

Maximum Deposit Amount The deposit is calculated based on the net cold rent (Nettokaltmiete) - excluding utility and heating cost prepayments

For example, if the monthly cold rent is €900, the maximum deposit is €2,700. The landlord may not demand more than three months' cold rent. Any amount exceeding this limit is unenforceable.

Payment in Installments The tenant has the legal right to pay the deposit in three equal installments

The first installment is due at the start of the tenancy, with the second and third due alongside the following two rent payments. The landlord cannot make move-in conditional on the full deposit being paid upfront.

Investment and Safekeeping

Landlords in Hesse must invest the deposit separately from their own assets on a dedicated account (trust account) earning at least market-rate interest

Common options include:

• Savings account in the tenant's name
• Dedicated deposit account (Mietkautionskonto)
• Savings book (Kautionssparbuch)

The accrued interest belongs to the tenant and increases the security amount. If the landlord fails to invest the deposit properly, the tenant may withhold rent payments equal to the deposit amount until proof of proper investment is provided.

Alternative Forms of Security Other forms are acceptable if the tenant agrees:

• Bank guarantee (Mietaval / Bankbürgschaft)
• Deposit insurance (Mietkautionsversicherung)

Returning the Deposit

Review Period After the tenancy ends and the property is returned, the landlord has a reasonable review and accounting period - typically 3 to 6 months

A July 2024 BGH ruling clarified that excessive delays (beyond six months) may cause the landlord to lose the right to withhold for disputed defects.

Permitted Deductions The landlord may withhold part or all of the deposit for:

• Outstanding rent payments
• Utility bill settlements (including from pending annual statements - partial retention is allowed)
• Damage compensation for damage beyond normal wear and tear
• Repair costs caused by the tenant

Best Practices for Landlords

1. Document the property's condition thoroughly at move-in and move-out (handover protocol with photos)
2. Invest the deposit immediately in a separate account and keep proof
3. Process the deposit return promptly - ideally within three months
4. Only retain justified amounts and itemize deductions clearly
5. Inform the tenant about the deposit account and its balance

Common Mistakes to Avoid

• Failing to separate the deposit from personal assets → tenant can withhold rent
• Demanding more than 3 months' cold rent → excess is unenforceable
• Delaying deposit return unreasonably → risk of losing retention rights

Landager helps you manage security deposits digitally - with automatic reminders for return deadlines and structured handover documentation.

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