Many small time mobile auto detailers do not realize the importance of local government relations. A City Hall will contain lots and lots of information that can help you. Think of yourself as an information scout, when visiting a city hall. You should first go to the planning department and ask if there are any restrictions on mobile businesses within the city limits. Talk to a clerk and when they ask what kind of business, just say; "mobile car detailing". Chances are everything will be fin.