Housing maintenance fund actually includes housing public facilities special fund and housing maintenance fund. The special fund for housing public facilities is referred to as the special fund, which is used for projects such as the renewal and transformation of the parts used by the property, public facilities and equipment, and shall not be used for other purposes. The special fund implements the principle of "money goes with the house". When the house is transferred, the remaining funds in the account are also transferred to the new property owner of the house.

the buyer and the selling unit shall sign an agreement on the payment of maintenance fund, and the buyer shall pay the maintenance fund to the selling unit (developer) according to the proportion of 2-3% of the purchase price.

(housing maintenance fund algorithm: 1. The first-phase maintenance fund for newly-built commercial housing, which is paid by real estate developers according to 3%-4% of the cost per square meter of construction area; Property buyers shall pay 2%-3% of the cost per square meter of construction area. 2. Generally speaking, for residential buildings equipped with elevators, real estate development enterprises shall pay 4% of the cost price per square meter of construction area; For houses without elevators, real estate development enterprises shall pay 3% of the cost per square meter of construction area. 3. For houses equipped with elevators, the purchaser shall pay 3% of the cost price per square meter of construction area; For houses without elevators, the purchaser shall pay 2% of the cost price per square meter of construction area. )