a system and method for transacting retrieval of real estate property listings using a remote client interfaced over an information network is described . a set of real estate property listings is maintained in a structured database . each listing includes a characteristics set describing property listing information organized according to property class . a remote client is interfaced in a dynamic search session via a communications link transiently connected over an information network . the remote client maintains both program code and data exclusively in a general purpose random access memory configured for both transient and persistent storage . a target characteristics set describing one or more such listings in at least one such property class is received from the remote client upon initiation of the session . the listings matching the target characteristics set from the structured database are identified . the listings are provided to the remote client upon termination of the session .