The house rules are usually covered in the tenancy contract and help make sure that everyone gets along. Also the dormitories have a Hausordnung. House rules generally cover topics such as:
1. Noise pollution and quiet times: Because multi-unit buildings are the norm in Germany, many things are regulated by law to make living together easier, including certain general quiet hours: from 10 p.m. to 6 a.m., and 1 p.m. to 3 p.m. every day. After 10 p.m. you should turn down any music to a low volume (Zimmerlautstärke) and generally keep things quiet out of consideration for your neighbors
Quiet times in the dormitories are from 10 p.m. to 7 a.m., and 1 p.m. to 3 p.m. every day.
On Sundays and public holidays, you should be especially considerate of your neighbors. This could apply to loud appliances and noisy repairs. If you have guests, it is a good idea to close windows during quiet hours, and speak quietly when you are showing them out the door.
As with most things, common sense and common courtesy are your best guides here. It's always a good idea to talk with your neighbors ahead of time if you are planning a party. Your rent contract or house rules may specify additional quiet hours.
2. Security: The house rules may define times when main entrance should be locked. The use of BBQs and open fires in the garden or on balconies is often limited.
3. Cleanliness: This might concern where to place your flower boxes on balconies and terraces, as well as the placement of garbage cans and dumpsters.
4. Usage of laundry rooms and drying areas: Indicates the times when you are allowed to wash laundry and where you are allowed to hang up clothes to dry. Your house rules may also specify that you are not allowed to hang up laundry on your balcony or in your apartment.
5. Pets: Are pets allowed in your apartment and if so, which ones?
6. Parking rules: Where are cars and bicycles allowed to be parked?.