Which department should I complain about occupying public corridors?

Legal analysis: you can complain to the residential property or to the fire department. The emergency management departments of the local people's governments at or above the county level shall supervise and manage the fire control work within their respective administrative areas, and the fire rescue institutions of the people's governments at the corresponding levels shall be responsible for the implementation. Other relevant departments of the people's governments at or above the county level shall, within the scope of their respective duties, do a good job in fire control in accordance with the provisions of this Law and other relevant laws and regulations.

Legal basis: Article 271 of the Civil Law of People's Republic of China (PRC), the owner enjoys the ownership of the exclusive part of the building such as the business building, and the condominium of the * * * part other than the exclusive part.

Article 272 of the Civil Law of People's Republic of China (PRC), the owner has the right to possess, use, profit from and dispose of the exclusive part of his building. The owner's exercise of rights shall not endanger the safety of the building or damage the legitimate rights and interests of other owners.

Article 273 of the Civil Code of People's Republic of China (PRC), the owner shall enjoy the rights and undertake the obligations for the part other than the exclusive part of the building; You may not fail to perform your obligations on the grounds of giving up your rights.

When the owner transfers the residential and business premises in the building, part of its * * * ownership and * * * management rights are transferred together.