Admin Info

The Tehama County Sheriff’s Office Administration team is dedicated to providing the highest quality of services to residents and visitors to our county and local communities. Managing a well-trained and dedicated, divers work force, recruiting energetic new law enforcement deputies for both the custody and the operations division and remaining approachable and adaptable to the ever-changing law enforcement environment are just some of the duties the Administration team tackles every day.

Undersheriff Jeff Garrett

Undersheriff Garrett has worked for the Tehama County Sheriff’s Office since 1998. Prior to working for Tehama County, he worked for the Shasta County Sheriff’s Office as a Boating Safety Officer.

Past assignments have included Jail, Patrol, Civil, Boating, DARE Instructor, Marijuana Eradication Team, Narcotics Agent for the Tehama Interagency Drug Enforcement (TIDE) Task Force, and Investigations Divisions. He has been a Jail Training Officer, Field Training Officer, Patrol Sergeant and Lieutenant in charge of Operations.

Undersheriff Garrett helps to oversee the Inter – Agency SWAT team of which he has been a member since 2002. He is also a member of the Sheriff’s rescue dive team and is one of four Department Range Instructors.

Undersheriff Garrett is an active member of the California Narcotic Officers Association (CNOA) and the California Association of Tactical Officers (CATO).

Undersheriff Garrett loves to hunt and spend time with his family.

Captain Derek Sherrill

Captain Derek Sherrill began his career in law enforcement in 2001 with an enlistment in the Air Force as a member of a Security Forces squadron. Captain Sherrill underwent three separate deployments to the Middle East during operation Enduring Freedom and Iraqi Freedom; He received an honorable discharge in 2005.

Captain Sherrill has been employed with the Tehama County Sheriff’s Office since 2008. He started as a correctional officer in the jail and quickly promoted to Deputy Sheriff, with a transfer to the operations division in 2009. Captain Sherrill has been assigned a variety of duties which include: Patrol, S.W.A.T, Field Training Officer, Investigator, Dive Team and Range Instructor.

In 2018, Captain Sherrill was promoted to Patrol Sergeant and was selected to be an Assistant Team Leader, Team Leader and is now the Tactical Commander for the Tehama Interagency S.W.A.T. Team, which he has been a member of since 2009.

Captain Sherrill achieved the rank of Lieutenant in 2019 and was assigned to the Administrative Division. Captain Sherrill promoted in February of 2023 to his current rank.

During his free time, Captain Sherrill enjoys traveling, boating, fishing, and power sports.

Sheriff’s Executive Secretary Karie Simons

Karie Simons has worked for the Tehama County Sheriff’s Office since 1999. She started in Records as an SSO and promoted to Administrative Secretary III in 2001. She was assigned to the Tehama and Glenn Methamphetamine Enforcement Team (TAGMET) between 2001-2007, the Tehama Interagency Drug Enforcement (TIDE) team between 2007-2019, and Tehama Major Crimes (TMC) unit between 2020-2021. She is currently the Sheriff’s Executive Secretary for the Administration Division.

Sheriff’s Office Personnel Includes

  • Sheriff
  • Undersheriff

  • Captains – 2

  • Lieutenants – 3
  • Sergeants – 7

  • Coroners – 3

  • Accountant I/II – 1

  • Accounting Tech III – 1

  • Fiscal Analyst – 1

  • Records Supervisor – 1

  • Farming and Maintenance Tech – 1

  • Detectives – 4

  • Deputy Sheriff’s – 31

  • Correctional Sergeants – 6

  • Correctional Deputies – 36

  • Dispatchers – 7

  • Dispatch Supervisor – 1

  • Major Crimes Analyst – 1

  • Animal Regulations Officers – 3

  • Administrative Secretaries – 2

  • Evidence Tech Supervisor – 1

  • Sheriff Service Officer’s – 7

  • Support Personnel – 8

  • Sheriff’s Executive Secretary – 1

  • Fleet Supervisor – 1

A Variety of Career Opportunities Including

  • Patrol
  • K-9 Handler
  • Resident Deputy
  • Special Tactical Operations
  • Investigations
  • Marijuana Eradication
  • Accounting

  • Court Security

  • Civil

  • Mounted Enforcement

  • Evidence Technician

  • Cook

  • Corrections
  • Prisoner Transportation
  • Narcotics Enforcement

  • Search & Rescue

  • Court Security
  • Boating Enforcement
  • Dispatcher
  • Clerical

  • Maintenance

  • Nursing

  • Sheriff’s Service Officer

  • Grant Management

Accounting Division

The Tehama County fiscal team manages the Sheriff’s Office budget, pays vendors for services and supplies and manages grants. The fiscal team is made up of a Fiscal Analyst, an Accountant I/II and an Accounting Technician.