PROBLEM TO BE SOLVED : To provide a real estate information provision system and a real estate information provision method that provide information relating to real estates to support mutual lending of the real estates among owners of the real estates.SOLUTION : An information provision server 1 stores real estate attribute information on attributes of real estates to be mutually lent and owner attribute information on attributes of owners of the real estates, extracts the real estate attribute information matching with a search condition and the owner attribute information on the attributes of the owners of the real estates relating to the real estate attribute information when receiving search condition information including the search condition corresponding to the real estate attribute information from a user terminal 2 (S403), and transmits search result screen information for outputting search result information generated by using the extracted real estate attribute information and the owner attribute information to the user terminal 2 (S410).SELECTED DRAWING : Figure 8