A system for managing real estate properties including an a terminal of a facility manager, a terminal of an owner, a terminal of a repairer and a relay server according to an embodiment of the present invention includes a terminal of a facility manager for receiving management entrust message for facilities of real estate property related to the owner, providing the corresponding information to a relay server when a subject to repair is found in a process of management by the facility manager, and receiving information for a contracted repairer from the relay server; a terminal of an owner for providing a judgment result message for repair of the subject to repair to the relay server, and providing information of the contracted repairer to the relay server if the contracted repairer is selected by the owner based on a repair estimate of the subject to repair; a terminal of the repairer for providing the repair estimate of the subject to repair to the relay server, receiving the fact that the contracted repairer is selected from the relay server, and providing a repair procedure performed by the repairer of the subject to repair to the relay server; and a relay sever for relaying communications between a terminal of the facility manager, a terminal of the owner and a terminal of the repairer.(400) Terminal of repairer(500) Financial institute server(600) Relay server(AA) Network(300) Terminal of facility manager(200) Terminal of tenant(100) Terminal of ownerCOPYRIGHT KIPO 2014