PROBLEM TO BE SOLVED : To provide an real estate management support system and method and an real estate management support program for generalizing and systemizing the self-management and autonomous operation of real estates to directly support the operation.SOLUTION : This real estate management support system is provided with a database 10 which stores real estate information, a server 3 which discloses the real estate information to a terminal over the Internet and terminals 1 and 2 which browse the real estate information via the Internet, or registers it in the server. The server 3 is provided with a plurality of real estate management operation support means, which support the operation of real estate property shown by the real estate information registered in the database 10. The selected real estate management operation support means, among the plurality of real estate management operation support means, is executed based on the request of the terminal.