The approval information for the selected real estate property information from the approval conditions [to] apartment apartment, selected based on the conditions to be real estate brokerage system for apartment authorization approval of an apartment, property management server, real estate brokerage method and real estate agency program. The property management server 131 [a], the approval information is received from the communication part 132 and the apartment manager terminal 111 the property information, the received item information storage section 134 and an apartment approval information, item information generated from the control section 133 and the property list, is provided. The communication part 132, the buyer/the borrower property list is distributed to the terminal 121, the buyer/the borrower from the terminal 121 receives the request information from the selected object property list. The control section 133, corresponding to the approval request information item selected based on the conditions from the apartment approval apartment apartment approval, the approval of the buyer/borrower information terminal device 121 when the apartment is permitted to unlock the transmission property. Figure 1 [drawing]