PROBLEM TO BE SOLVED : To provide a real estate information retrieving method by which the newest information of necessary real estate property is colleted quickly, a recording medium with a program for allowing a computer to execute the method recorded thereon and a system therefor. SOLUTION : A server 2 retrieves real estate information stored in computers 4 of plural real estate traders, collects necessary real estate information and transmits the collected real estate information to a reader' s computer 3. Operation for collecting information can be simplified by collecting necessary real estate information only by one retrieving condition input operation. Since the real estate information stored in the computers 4 of plural real estate traders is directly retrieved, the newest information can be collected.