Is the blockage of sewer riser related to the property?

Legal analysis: the property has the responsibility. Water supply, power supply, gas supply, heating, communication, cable television and other units shall bear the responsibility for the maintenance and conservation of relevant pipelines and facilities and equipment within the property management area according to law. If the units specified in the preceding paragraph temporarily occupy or dig roads and sites due to maintenance, they shall promptly restore the original state.

Legal basis: Article 2 of the Regulations on Property Management The term "property management" as mentioned in these Regulations refers to the activities that the owner selects a property service enterprise, and the owner and the property service enterprise repair, maintain and manage the house, supporting facilities and related sites in accordance with the property service contract, so as to maintain the environmental sanitation and related order in the property management area.