Does the property management company have the right to seize the owner's house key?

Legal analysis: no right. It is the developer's obligation to deliver the house to the owner. If the owner has paid the house price, the developer must deliver the house to the owner. Property management companies deliver houses to owners to fulfill their obligations on behalf of developers, only in the name of developers, not in their own names.

Legal basis: Article 35 of the Regulations on Property Management, a property service enterprise shall provide corresponding services in accordance with the stipulations of the property service contract. The realty service enterprise fails to perform the realty service contract, causing personal and property safety damage to the owner, and shall bear corresponding legal responsibilities according to law.