It can be reflected to different competent departments from several aspects to improve the processing speed and efficiency.

1. Illegal buildings should complain to the Construction Bureau (Housing and Construction Bureau) or report to the Housing Authority;

2. Noise pollution caused by decoration can be reported to the Environmental Protection Bureau;

3. If the negotiation between the surrounding residents and the decoration unit is fruitless, they can also report to the neighborhood Committee and ask the neighborhood Committee to come forward to coordinate;

4. If there is violence or threat during the negotiation, you can report it directly.

Good luck!

A Bin, a real estate agent, will answer your questions.