To provide a housing information supporting system enabling the user of housing information to easily utilize a lot of the housing information and further enabling the user to easily access the provider of the housing information.

For the housing information supporting system 1, the server device 21 of a manager 20 managing the housing information and the information terminal 11 of the user 10 utilizing the housing information are connected through a communication channel 61. The server device 21 of the manager 20 is provided with a preservation means preserving the housing information, a retrieval means 23 retrieving the housing information by a command from the information terminal 11 of the user 10 and a communication means transmitting and receiving the information to/from the information terminal 11 of the user 10. The information terminal 11 of the user 10 is provided with the communication means transmitting and receiving the information to/from the server device 21 of the manager 20. Further, for the housing information supporting system 1, the server device 21 of the manager 20 managing the housing information and the information terminal of the provider 30 providing the housing information are connected through the communication channel 61.