Maintaining control over a wide portfolio of mortgaged properties can be a cost effective investment, with the help knowledgeable professionals and appropriate tools to classify each property alongside a risk analysis of the situation. This may be accompanied by the design and creation of geographical information systems, integrating all relevant information in one place: attributes of the property, legal status, location, physical reality, etc. Classifying a large number of properties with interrelated data layers according to predetermined characteristics and can be updated with ease overtime.