Once you've decided to take your grievance about an attorney to the State Bar, you need to file an attorney complaint form. Find out how to resolve a problem without going to court, file a complaint against a lawyer, and how to get money back from an unethical attorney below.To file a complaint against a business providing uncertified lawyer referrals, please use this form. Please fill out this form in its entirety. Instructions for Filing a Complaint Against a California Attorney. Fill out all spaces on the California Attorney Complaint Form completely. 303 West 3rd Street San Bernardino, CA 92415-0502 Phone: 909.382. If you are considering filing a Bar complaint, save yourself some time and stress. Professional Standards Division: Complaint forms can be picked up and turned in at 175 W. 5th Street, 4th Floor, San Bernardino, CA 92415. Instructions for Filing a Complaint Against a California Attorney.