Which department should I complain about the unqualified hardcover room?

Legal analysis: you can complain to the following units: consumer association, quality supervision bureau, construction Committee, etc.

1. The warranty period of the house is 1 year, counting from the date of acceptance. During the warranty period, the developer may be required to bear the maintenance responsibility. If the other party refuses to repair, it can repair itself, save the necessary bills and ask the developer to pay the maintenance fee;

2. If the quality problem cannot be repaired, you can go to the real estate appraisal department for appraisal, ask the developer to make corresponding compensation, and you can sue the developer;

3. If the quality of the theme structure of the house is unqualified, the purchaser has the right to refuse, terminate the contract and demand compensation for losses;

4. Find developers for new houses and property management for second-hand houses;

5. Citizens can complain to the decoration management department if they find that the second decoration of their neighbors' houses has damaged the building structure and caused water seepage downstairs;

6. If citizens have questions about building materials such as security doors and security window, they can complain to the Bureau of Quality and Technical Supervision;

7. If citizens encounter contract breach such as delayed delivery date, they can solve it through the real estate management department and the industrial and commercial administration department or through litigation;

8. If citizens find that the landscape, greening and roads in the community are not implemented according to the design drawings and publicity materials, they can complain to the real estate development management department.

Legal basis: full text of judicial interpretation of house sales contract Article 12 If the buyer requests to terminate the contract and compensate for the losses due to the unqualified quality of the main structure of the house or the unqualified quality of the main structure of the house after verification, it shall be supported.