Property fees are calculated according to the construction area or the usable area.

Property fees are charged according to the construction area.

According to the property management regulations and the information of Zhihu and Qijia.com, the property fee is generally charged according to the construction area recorded in the real estate license, and is executed according to the agreement in the contract between the two parties. The property management fee is calculated according to the owner's property area, and the area on the real estate license multiplied by the unit price of the property fee multiplied by 12 months is the property management fee for one year. Unless otherwise agreed in the contract, in general, the property management fee is charged by the owner according to the building area of the house.