Most U.S. cities have local ordinances governing the public display of temporary signs. Generally the goal is to maintain an aesthetically pleasant environment not littered by abandoned posters and to prevent misleading advertising. City Hall Planning Division governs most ordinances. Temporary Sign Permits are frequently issued for 30 to 90 day durations with a fee that averages $50. A list of such departments in the Los Angeles area has been provided on this website. Reactive Imaging can assist if drawings are required prior to display
