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File Police Report/Contact In-House Deputy

If you are a victim of a crime, witness to a crime, have suspect information to a crime which occurred within the unincorporated St. Charles County, or just have general questions, the Sheriff’s Department has an In-House Deputy available to contact. If you are unsure, of what law enforcement agency to call you may contact our department and we will advise if you need to contact one of our local agencies

The Sheriff’s Department In-House Deputy is available 24 hours a day, seven days a week and is located in the front office located at the following address:


St. Charles County Sheriff Department
101 Sheriff Dierker Court
O’Fallon, MO 63366

Phone Contacts: EMERGENCY:  9-1-1
Non-Emergency Sheriff Dispatch: 636.949.0809
In-House Deputy: 636.949.1818

The purpose of the In-House Deputy is to reduce the calls for service demand on the patrol units.  Some of the calls for service which may be handled by the In-House Deputy are as follows:
  • Minor theft reports
  • Minor property damage reports
  • Lost Article reports
  • Lost/Stolen license plate/tab reports
  • Gas drive off reports
  • Walk in Ex-Parte and Court Order Reports
  • Any report assigned by the Shift/Watch Commander 


Tom Neer
101 Sheriff Dierker Ct
O'Fallon, MO 63366
Ph: 636.949.0809
Fx: 636.949.3078
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Office Hours:
Monday - Friday
8 a.m. - 5 p.m.
Patrol Request
File Police Report