PROBLEM TO BE SOLVED : To provide a real estate business support device capable of efficiently executing processing associated with a real estate business.SOLUTION : A real estate business support device 1 reads property information registered in a property DB 12a, and distributes the read information to various destinations. Also, the real estate business support device 1 acquires information associated with the real estate property, and generates and registers the property information in a property DB 12a. Further, the real estate business support device 1 accepts the input of a customer' s desired conditions associated with the real estate property, retrieves the property on the basis of the desired conditions, and outputs the retrieval results. The real estate business support device 1 also accepts a selective input in a media format, and performs processing for outputting the property information registered in the property DB 12a in the selected format. Also, the real estate business support device 1 acquires the read data of the drawing of the property, and creates the guide of the property based on the read data.