Legal analysis: you can contact the property directly, and the property will contact the developer to find a solution. If it is obvious that the quality of the house is unqualified, the property and developers will not deal with it and can directly file a civil lawsuit.

Legal basis: Regulations on Property Management

Article 35 A realty service enterprise shall provide corresponding services in accordance with the stipulations of the realty service contract.

The realty service enterprise fails to perform the realty service contract, causing personal and property safety damage to the owner, and shall bear corresponding legal responsibilities according to law.

Thirty-sixth property services companies to undertake the property, it should cooperate with the owners' committee for property acceptance procedures.

The owners' committee shall hand over the information specified in the first paragraph of Article 29 of these regulations to the realty service enterprise.

"Regulations on Quality Management of Construction Projects" Article 39 The quality warranty system shall be implemented for construction projects.

When submitting the project completion acceptance report to the construction unit, the construction contractor shall issue a quality guarantee to the construction unit. The quality warranty shall specify the warranty scope, warranty period and warranty responsibility of the construction project.