After the beautiful homeland was built in the residential area, the exterior wall became seriously discolored. Which department should I look for to solve the problem?

In this case, you should look for this situation first. You should look for a property. If the developer's problem is involved, the property will tell you what to do.

According to the specific situation, the house can be maintained by the developer during the warranty period, which is not caused by human factors; On the other hand, when the warranty period expires, the owner can apply to use the house maintenance fund for maintenance, and the unpaid house maintenance fund shall be borne by the owner of the whole building.

If the property is invalid, you can call 12345 to report to the convenience service hotline.

This is a department set up by the local municipal people's government. Public service information consultation on administrative functions, responsibilities, policies and procedures; Complaints, opinions and suggestions on administrative management, social management and public services; Non-emergency management and service assistance within the scope of administrative functions and powers; Reports on violations of laws and regulations by citizens, legal persons and other organizations that endanger people's lives and property, public property and economic and social development; Praise for government departments and their staff in terms of work efficiency and administrative efficiency. This department can effectively solve your problem.