1. The standard of the housing maintenance fund is that the purchaser pays the maintenance fund to the developer according to the proportion of 2-3% of the purchase price, or refers to the total house price when the purchaser purchases the house from the developer and handles the property right transfer, and it is calculated according to 5% to 8% of the cost per square meter of the local residential building installation project. Specific collection standards are determined by local real estate administrative departments according to local conditions.

2. Legal basis:

According to Article 7 of the Measures for the Administration of Residential Special Maintenance Funds

The owners of commercial housing and non-residential housing shall deposit special housing maintenance funds according to the construction area of their own property, and the amount of the first special housing maintenance funds deposited per square meter of construction area is 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.