If the maintenance fund is not paid for ten years, it needs to be paid at 5% of the cost per square meter. According to relevant information, the owners of commercial houses and non-residential houses deposit special maintenance funds according to the construction area of their own properties, and the amount of the first special maintenance funds deposited per square meter of construction area is 5% to 8% of the construction and installation cost of local houses per square meter. Commercial residential owners or non-residential owners should deposit the first phase of special maintenance funds for residential buildings, and the delivery standard is 5% to 8% of the cost per square meter of local residential construction and installation projects. The amount of the first residential special maintenance fund will be announced and adjusted in time.