What legal responsibilities should be investigated for poor housing quality?

The poor quality of the house and water seepage are legally the responsibility of the developer or the owner. Under normal use conditions, the warranty period of roof waterproofing works, toilets, rooms and external walls with waterproof requirements is 5 years, and roof leakage belongs to the project warranty scope of the developer; Beyond the warranty period, the owner of the house shall be responsible for it; The residents upstairs and downstairs shall be responsible for the decoration and use of the upstairs and downstairs.

legal ground

"Housing construction quality warranty measures" seventh

Under normal use, the minimum warranty period of housing construction project is:

(a) the basic project and the main structure project are the reasonable service life of the project specified in the design documents;

(2) 5 years for roofing waterproof works, toilets, rooms and external walls with waterproof and anti-leakage requirements;

(3) The heating and cooling system consists of two heating periods and cooling periods;

(four) electrical pipelines, water supply and drainage pipelines, equipment installation for 2 years;

(five) the renovation project is 2 years.

The warranty period of other projects shall be agreed by the construction unit and the construction unit.