Short Answer

As a subtenant, your right to occupy a room is entirely dependent on the legal standing and contract validity of the master tenant.

If the primary renter violates their lease or decides to vacate the property, your sublease automatically terminates regardless of your individual compliance.

What Most Expats Don't Realize

You rented a room from a master tenant without checking their primary contract or securing written permission from the property owner. The master tenant suddenly broke their lease and moved to another city, leaving you with an eviction notice from the landlord who had no record of your existence. Because you operated under an unverified verbal agreement, you were forced to vacate the premises within 48 hours and lost your €1,200 deposit to the vanished master tenant.

What To Do

  • Demand a signed, physical "Untermietvertrag" along with a copy of the owner's written consent to sublet before moving in.
  • Bring the master tenant's official permission document to the city registry office to secure your mandatory address registration.
  • "Haben Sie die schriftliche Erlaubnis vom Vermieter zur Untervermietung?" (Do you have the written permission from the landlord for subletting?) — ask the master tenant for this document before transferring funds.

The Truth

Germany’s civil code positions subtenants at the bottom of the housing hierarchy, binding their legal security entirely to the master tenant's contract. The system permits landlords to clear properties immediately if unauthorized subletting is discovered, leaving undocumented occupants without any statutory eviction protections.