Whether the drainage pipeline in the building belongs to the scope of property maintenance.

Legal analysis: As the manager of public areas in residential areas, property management companies have the obligation to regularly repair and maintain public facilities and public equipment in residential areas, and should ensure the smooth operation of public equipment. No matter what causes the blockage of the main water pipe, the property management company has the obligation to regularly check and dredge the main water pipe, so the property management company needs to bear the corresponding responsibilities. Extended information service property management itself is the product of socialization and specialization, and various activities in property management involve a lot of technical problems. Some of these technical problems are related technical standards and specifications formulated by the state, and some are technical requirements or standards agreed by both parties of property management. These technical standards, norms and requirements have become an important and substantial basis for determining the legal responsibility of property management. Refers to the public management and service work in property management, which is the most basic management and service provided by property management enterprises for all residents and owners. There are mainly the following eight items: 1, main building management, daily supervision of residential decoration; 2. Management of housing equipment and facilities; 3. Environmental sanitation management; 4. Greening management; 5, cooperate with the public security and fire departments to do a good job in the maintenance of public security in residential areas; 6. Vehicle order management; 7. Public agency services; 8. Property file management.

Legal basis: Article 54 of the Property Management Regulations, the owners of residential properties, non-residential properties in residential quarters or non-residential properties connected with a single residential building structure shall pay special maintenance funds in accordance with relevant state regulations.