Anonymous Tip Line

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ANONYMOUS TIP LINE (510) 675-5207 

This number is NOT for reporting an in-progress crime or suspicious activity. If a crime or other suspicious activity is happening right now, call 9-1-1- for emergencies, or (510) 471-1365, then press 1 to speak to a dispatcher to report the crime or activity.

If you prefer to send an email tip, the e-mail address is

The Union City Police Department depends on the community's help to prevent and solve crimes. You may have seen something or have knowledge of something that solves a major crime but want to remain completely anonymous. This line has been established to encourage residents to report the information anonymously. The tip line will be monitored during regular business hours, Monday through Friday, 8 am to 5 pm; therefore, voicemails and emails may not be received until the next business day.











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