Many non-emergency crimes can be reported online. Complaints. File a complaint against a local law enforcement agency.Telephone the Alameda County Sheriff's Office Internal Affairs office at (510) 208-9800. Mail a letter describing your complaint to the following location:. I lost my mobile and have given a complaint at the police station with my IMEI number. Can I count on them to help me in this situation? Blank SAR 7 Forms are also available at Alameda County Social Services Agency offices. You can find instructions on how to fill out the SAR 7 form here: If you want to register some kind of complaint against one of the agencies in Alameda County, I would try the State Attorney General's office. Property that is missing, leaving items in a restaurant, or missing from your home.