Who will tell me which department to check the house for water leakage?

Around the "Construction Engineering Quality Judicial Appraisal Center", this place can be tested. If the "Beijing Construction Engineering Quality Judicial Appraisal Center" can be entrusted by the court to carry out the corresponding crack or water leakage detection.

Waterproof warranty for 5 years and pipeline for 2 years. During the warranty period, the developer is not responsible. If not handled, you can complain to the local quality supervision department. They specialize in this matter, and then you can't go to court, or you will be responsible for delaying the warranty period! In addition, if the same place is not repaired twice during the warranty period, you can find someone to repair it yourself, and the cost will be borne by the developer. The roof of this building is for public use. After the warranty period is over, the maintenance cost should be shared by the upper and lower floors. If you can apply for a maintenance fund for a major maintenance, it goes without saying that you can't apply, but it is also shared by the upper and lower levels. For more information and better suggestions, you can provide professional technical suggestions for repairing waterproof and water leakage of concrete for free.