According to the present invention, a server for providing real estate for sale comprises : a communication module to perform data communication with a user terminal; a database in which information of real estate for sale is stored; a memory in which a program for providing real estate for sale is stored; and a processor to execute the program. The processor is executed by the program to receive needs of a user collected for each category from the user terminal based on a user interface transferred to the user terminal, filter real estate for sale matching the needs of the user among the real estate for sale, calculate a score corresponding to the filtered real estate for sale based on the needs of the user, extract real estate for sale from the filtered real estate for sale based on the calculated score, and generate a user interface to include the extracted real estate for sale to transfer the user interface to the user terminal. The categories include two or more among meta-information, transaction form information, residence form information, budget information, and distance information.(120) Communication module(130) Memory(140) Processor(150) Database(160) User terminal(170) Provider terminalCOPYRIGHT KIPO 2018