A person who has suffered harassment may seek a temporary restraining order and an injunction prohibiting harassment. The San Diego County Superior Court issues Temporary Restraining Orders (TRO) in the County of San Diego.We help with the court forms required to apply for or respond to a restraining order, as well as information on the law, the court process, and timelines. If you have been served with a temporary restraining order in San Diego you cannot own a firearm while the injunction order is in place. Completing a Petition for Injunction. How do I get a restraining order? There is no fee for filing. You may file either a civil harassment restraining order or a domestic violence restraining order at the San Diego County Courthouse. The process, however, is essentially the same for all types of restraining orders. Temporary restraining orders are just that, temporary, and a hearing will be set in the near future to determine if a permanent order is appropriate.