PROBLEM TO BE SOLVED : To provide a real estate utilization system and a program capable of achieving cost reduction.SOLUTION : A real estate utilization system 1 includes a Web site for real estate retrieval 2 that posts real estate information about real estate properties, a management server 3 owned by a manager of the Web site for real estate retrieval 2, a user terminal apparatus 4 owned by a user who uses the real estimate information posted on the Web site for real estate retrieval 3, and a Web site for user 5. The user terminal apparatus 4 includes a terminal apparatus input unit 220 that extracts and inputs the real estate information posted on the management server 3 or the Web site for real estate retrieval 3, and a terminal apparatus Web user site posting unit 260 that posts the real estate information inputted by the terminal apparatus input unit 220 on the Web site for user 5.SELECTED DRAWING : Figure 1COPYRIGHT : (C)2018, JPO&INPIT