Interactive display device accesses real buildings, comprising at least one (1) display terminal in the access of at least one building real estate (24), and a web server (7) connectable to Internet link (12) to the terminal (1) display, said web server (7) can be controlled by a person real estate property manager (24) of the building in which is situated the display terminal (1). The web server (7) includes software for dynamically constructing web pages, structured adapted to build web pages (18, 19) from information contained in a data storage memory space (9) (7) the web server for display on a display screen (3) display of the terminal (1). The display terminal (1) comprises an input interface (13) to secure the building at least one user to input information of a first category (14) and enabling at least one maintenance person building services input information of a second category (15). The information of the first (14) and second (15) is transmitted to the web server category (7) by Internet link (12) and stored in the data storage memory space (9) the web server (7) so as to be searchable by the person building manager.