PROBLEM TO BE SOLVED : To provide a real estate information search system for searching the land on the basis of a desired condition including a user' s budget, and for selecting and presenting a building which can be constructed on the land as a search result.SOLUTION : A real estate information search system 10 comprises a real estate search information provision part 200 for transmitting real estate search information searched on the basis of user' s budget information and real estate request information via a network 300 to a user terminal 110. A processing part of the real estate search information provision part 200 searches a storage part for land information on the basis of the budget information and real estate request information from the user terminal 110, and transmits the list to the user terminal, and according as land information is designated by the user, searches the storage part for building information matching the land information and the budget information, and transmits the list to the user terminal, and according as building information is designated by the user, creates a list of land blocks and buildings on the basis of the designated land information and building information, and transmits it as real estate detail information via the network to the user terminal.SELECTED DRAWING : Figure 1COPYRIGHT : (C)2018, JPO&INPIT