A system and method for creating a unified commercial real estate data model through collection, distribution and use of information in connection with commercial real estate and for creating a web-based marketplace that facilitates the efficient and secure buying and selling of commercial properties. The invention provides a digital marketplace in which the members of the commercial real estate and related business community can continuously interact and facilitate transactions by efficiently exchanging accurate and standardized information. The present invention also facilitates mortgage lending and provides enough information to allow lenders to underwrite a property. The present invention also provides a mobile data gathering arid dissemination vehicle as well as a system tracking and dispatch of mobile vehicles. The present invention further provides correlation of data stored in a remote location to vehicle position in real time.