Legal analysis: No, it is a one-time charge. The maintenance fund needs to be paid in the first-hand housing market. If it is the second-hand housing market, there is no need to pay the maintenance fund. Collect the maintenance fund paid before the commercial house moves in, and use it for the recovery of public facilities in the community in the future. The maintenance fund shall be paid and withdrawn in accordance with the following provisions: when the construction unit sells commercial houses, the buyers of multi-storey houses shall pay 2% of the purchase price, and the buyers of high-rise houses shall pay 3% of the purchase price.

Legal basis: Article 7 of the Measures for the Administration of Special Maintenance Funds for Residential Houses, the owners of commercial houses and non-residential houses shall deposit special maintenance funds for residential houses according to the construction area of their own properties, and the amount of the first special maintenance funds for residential houses shall be 5% to 8% of the cost per square meter of local residential construction and installation projects. The competent departments of construction (real estate) of the people's governments of municipalities directly under the central government, cities and counties shall, according to local conditions, reasonably determine and announce the amount of the first-phase residential special maintenance fund deposited per square meter of construction area, and make timely adjustments.