PROBLEM TO BE SOLVED : To perform property retrieval in consideration of property owned by a user.SOLUTION : An information retrieval device includes : a specification unit for specifying outstanding obligation of a user; an estimation unit for estimating price of real estate owned by the user; an acquisition unit for acquiring a loanable amount for the user; and a retrieval unit for retrieving information on the real estate to be proposed to the user based on the outstanding obligation, the price of the real estate, and the loanable amount.SELECTED DRAWING : Figure 6COPYRIGHT : (C)2019, JPO&INPIT