Abstract: This invention is a method and apparatus for managing drawings, documents, and data associated with the management of property and subunits within a property using a graphical user interface (GUI) and a geographic information system (GIS). The user inputs the property address and selected property and subunit management data into a relational computer database. This information is geocoded onto a map in order to locate the property and subunits on the map in relation to nearby geographic features. The geocoded map is then linked with the relational database so that a depiction of the geographic location of the property and associated information concerning that property can be displayed. The user may query the database to retrieve desired inputted property and subunit management data and view the results of that query on said map or in a table.