Whose responsibility is the external wall of the building falling off?

Legal analysis: It depends on the specific situation. If it falls off during the construction warranty period, the developer can bear the responsibility; If the warranty period has expired, you can apply to the property management company to use the maintenance fund to take responsibility; If the property management fee and maintenance fund are not paid, it shall be borne by the residents of the whole building, and the compensation shall be shared equally by all residents.

Legal basis:

"Measures for quality warranty of housing construction projects" Article 7 Under normal use, the minimum warranty period of housing construction projects is:

(a) the foundation and main structure project refers to 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 systems, water supply and drainage pipelines and 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.

"Measures for the Administration of Residential Property Warranty Funds" Article 10 The construction unit shall undertake the property warranty responsibility in accordance with the warranty period and scope stipulated by the state. Under normal use conditions, the warranty period of residential property is: (1) roof waterproofing works shall not be less than 8 years; (two) the bathroom, room and exterior wall with waterproof requirements shall be impervious for not less than 8 years; (3) The heating and cooling system consists of two heating periods and cooling periods; (four) electrical pipelines, water supply and drainage pipelines, equipment installation and decoration works, for 2 years; (five) the basic engineering, main structure engineering and infrastructure engineering of the building are the reasonable service life of the project specified in the design documents. The warranty period as mentioned in these Measures shall be calculated from the date when the property is delivered to consumers.

Article 20 The maintenance, renovation and renovation costs of * * parts and facilities and equipment of residential buildings shall be shared according to the following provisions: (1) The maintenance, renovation and renovation costs of * * parts and facilities and equipment between commercial houses or between commercial houses and non-residential houses shall be shared by the relevant owners according to the proportion of their respective property construction areas. (II) After-sale public housing, the cost of maintenance, renewal and transformation of * * * parts and * * * facilities and equipment shall be shared by the relevant owners and public housing selling units according to the proportion of the residential special maintenance funds deposited; Among them, the part that should be borne by the owners shall be shared by the relevant owners in proportion to the construction area of their respective properties. (3) After-sale public houses, commercial houses or non-residential houses, the maintenance, renewal and renovation costs of their parts, facilities and equipment shall be allocated to the relevant properties in proportion to the construction area. Among them, the expenses that should be shared by the after-sale public houses shall be shared by the relevant owners and public houses selling units in proportion to the special maintenance funds deposited.