An integrated computerized system and method, oriented to mobile computerized devices such as tablet computers and Smartphones, for assisting users in conducting site visits and tours to various real properties of interest. The method comprises various software modules, including software modules to assist in various numeric comparative property evaluation schemes, modules to automatically present building floor plans and other information at defined tour locations, and modules to show images or CAD drawings of proposed property modifications (often using augmented reality techniques). Other modules may additionally help manage the tour, including semi-automatic notification of tour itinerary changes, management of tour route instructions, and audio or text narration during selected portions of the tour.