Using the Online Citizen Reporting System allows you to submit a report immediately and print a copy of the report for free. The Sheriff's Records Unit has ten days to respond to all requests.We accept fees paid in cash - exact change only or check. Please call 925-957-2200 to verbally file a request, email us or fill out and submit the PRA Request Form (PDF). How do I get a copy of a police report? If the crime occurred outside of Walnut Creek, contact the law enforcement agency. All complaints should be filed in writing within 120 days of the alleged misconduct. How To File Answer UD Complaint. Download the packet. Want to make a complaint or commendation for one of our police officers or office staff?