It is illegal to expand the garden on the first floor. Find that department to reflect the situation.

If the garden on the first floor is found to be illegal, you can report it to the urban management department.

As for the increasingly serious phenomenon that some owners of residential quarters change and build buildings without authorization, the owners believe that the owners of residential quarters have jointly reported to the municipal real estate supervision, environmental protection, industry and commerce and other relevant departments, but the problem has not been solved. This has a lot to do with the lack of residential property management and supervision by relevant regulatory authorities.