Is it illegal for the property to open the door privately?

Legal analysis: it is illegal for a property to open the door without authorization. After signing a contract with the property, the owner has the right to use the house. Leaving the owner's house key to enter the house inspection without authorization is not only a disrespect and distrust for the owner's personal privacy, but also a serious violation of the rights of others. If the owner of the house suffers property losses or other damages, the property shall be compensated accordingly according to law.

Legal basis: Article 39 of the Constitution of People's Republic of China (PRC). People's Republic of China (PRC) citizens' right to housing is inviolable. It is forbidden to illegally search or illegally invade citizens' houses.