Which unit is the superior supervision department of the property?

This department is the Housing and Construction Bureau.

According to the information of China Travel Service. Property companies are generally managed by the property management department of the local real estate administration. At the county and city level, property companies are managed by the Housing Authority, whose administrative department is the Housing Authority. The Housing Authority has a property department or property office, which is responsible for the supervision and management of property companies and property service management activities within its administrative area.

Relevant legal basis: Article 48 of the Property Management Regulations stipulates that the real estate administrative departments of local people's governments at or above the county level shall promptly handle the complaints of owners, owners' committees, property users and property service enterprises in property management activities.