This is incalculable.

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. 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 renovation of common parts of property and public facilities and equipment, and shall not be used for other purposes. Housing special maintenance funds to implement the principle of "money with the house". When the house is transferred, the remaining funds in the account are also transferred to the new owner of the house.

When selling commercial housing, the purchaser and the sales unit shall sign an agreement on the payment of housing maintenance fund, and the purchaser shall pay the housing maintenance fund to the sales unit according to the proportion of 2-3% of the purchase price. The maintenance fund collected by the selling unit belongs to all owners and is not included in the residential sales income. The current deposit standards of the first special maintenance fund are: 90 yuan per square meter for high-rise buildings (including multi-storey buildings with elevators) and 50 yuan per square meter for multi-storey buildings (including villas).

The owner shall pay the house maintenance fund before the house is delivered. The first phase of housing special maintenance funds, the owners can be directly deposited in the housing special maintenance fund account, can also be entrusted to the real estate development enterprises to pay. Entrusted by a real estate development enterprise, the real estate development enterprise shall, within 30 days from the date of receiving the housing maintenance fund, deposit the housing special maintenance fund into the housing special maintenance fund account.