How many years has the property right of Zhengzhou Qinzhuang Xiyuan House been?

The property right of Xiyuan House in Qinzhuang, Zhengzhou has been 7 years. According to the relevant information, the property right of the house consists of two aspects: the ownership of the house and the right to use the land. The property right of Xiyuan is 7 years for ordinary houses. House property right refers to the rights enjoyed by the owner of the house in accordance with national laws, that is, the sum of all the rights and interests of the house, and the right of the owner to possess, use and dispose of the house property.