Which department can the owner complain to if there is a dispute with the property company?

Legal analysis: you can complain to the real estate administrative department. According to Article 48 of the Regulations on Property Management, 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.

Legal basis: "Regulations on Property Management" Article 48 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.