The collection ratio of the maintenance fund shall be paid to the commercial bank designated by the real estate department of the district where the property is located according to the ratio of 2% to 3% of the total house price when the property buyer purchases the house from the developer and handles the property transfer. The specific collection standard of maintenance funds is determined by the local real estate administrative departments according to local conditions.

The housing maintenance fund is used for large and medium-sized repair and renovation projects of the main structure, public parts and public facilities and equipment of the house after the warranty period expires. The main load-bearing structures of houses include foundation, internal and external load-bearing walls, columns, beams, floors and roofs. Public parts refer to outdoor walls, hallways, stairwells, corridors, etc. Public facilities and equipment refer to water supply and drainage pipelines and equipment, distribution cables and equipment, elevators, public lighting, fire-fighting facilities, green spaces, roads, ditches, non-operating parking garages, public cultural and sports facilities and other facilities and equipment owned and used by the owner.