The present invention relates to a real estate information providing system and an operating method thereof. The real estate information providing system has a real estate managing server connected to a real estate product management service server, at least one moving service company server and at least one cleaning service company server wherein the real estate product management service server provides at least one real estate product information and extra expenses including transaction expenses, a real estate commission and registration expenses for a selected real estate product through a user mobile terminal, the at least one moving service company server provides moving service expense information, and the at least one cleaning service company server provides cleaning service expense information. The present invention provides the real estate information providing system and the operating method thereof which allow a transaction company per a real estate, a moving service company and a cleaning service company to be selected through a user mobile terminal and provide expenses for a selected service company, cleaning expenses, expense information consumed when each real estate product is transacted, and information of a related service company, thereby providing selectivity through the user mobile terminal and obtaining high usefulness.(100) Mobile(200) Real estate information managing server(202) Mobile communication unit(204) Expenses calculating unit(206) Central processing device(207) Path searching unit(208) Server network communication unit(210) Map DB(212) Real estate product information DB(214) Moving service expense information DB(216) Cleaning service expense information DB(218) External server member information DB(300) Real estate product management service server(400) Moving service company server(500) Cleaning service company serverCOPYRIGHT KIPO 2018