The present invention refers to estate registration management device, relates to management system estate registration and method for managing the same, according to one embodiment of the present invention a device management estate registration, from a user terminal to retrieve the real estate to obtain information real estate information acquisition part and, said long using information of real estate in accordance with a predetermined schedule the connection that is set up estate registration server object with the help of such a real estate registration to obtain information registration information acquisition part and, at the point of said real estate object number 1 number 2 information and registration estate registration information is at the point of said object whether or that determines whether the non-registration screen voltage and, a time-of-said number 1 estate registration information and a time-of-said number 2 estate registration information is different when transmitting said alert message to the user terminal the alert part. The, sustaining electrodes registration real estate interest user identify the contaminated matters directly to change without the item may be provided with announcement service.