Rent deposits (Kaution) and deposit guarantees

How much a German landlord can ask as a deposit, how you get it back, and when a deposit guarantee is cheaper than paying cash.

2 min readChecked September 25, 2026

Most landlords ask for a () before you move in. It covers unpaid rent or damage when you leave. On a with €700 cold rent that can be €2,100, due at the moment you're also paying for flights and the first month's rent.

The rules

  • The can be at most three months' cold rent (Kaltmiete), not counting (§ 551 BGB).
  • You may pay it in three equal monthly instalments. The first is due when the tenancy starts.
  • The landlord must keep it in a separate account, apart from their own money, and it earns interest for you.
  • After you move out, the landlord may hold back part of it until the next statement. The rest is normally returned within a few months.

A deposit guarantee instead of cash

With a (Kautionsbürgschaft), an insurer gives the landlord a promising to pay if you owe money at the end. You pay the insurer a yearly instead of handing over the full . On a €2,100 that's roughly €80 to €110 a year.

KautionsfreiPartner link

Get a deposit guarantee

Kautionsfrei issues a guarantee for your landlord online. Your landlord has to accept it.

Go to Kautionsfrei

Track Deposit Guarantee in HomeSettled

HomeSettled reminds you before key handover and shows whether your housing option accepts a guarantee.

Plan your arrival

Common questions

Is the guarantee fee refunded?

No. It's the price of not tying up cash. If the landlord claims against the guarantee at the end, the insurer pays them and then claims the money from you.

My landlord wants the deposit in cash. Is that allowed?

Cash is allowed, but always get a signed receipt. A to a named account is safer and leaves a record.

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Sources

Rules and amounts change. Check the official source before you rely on a figure.