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Sheriff

Mike Clark

Mailing Address: 7122 W. Okanogan Place, Suite A120 Kennewick WA 99336
Phone: 509-786-5615 (Prosser)

Kennewick Office Hours
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Sheriff's Office

SHERIFFVision Statement

We, the Benton County Sheriff’s Office, are committed to providing the highest quality law enforcement services to the people who live, work and visit our County. Our citizens will recognize the Benton County Sheriff’s Office as a progressive leader and trusted community partner with a solid reputation for respecting and protecting individual rights while aggressively pursuing criminals and enforcing the law.

Mission Statement

The Mission of the Benton County Sheriff’s Office is to safeguard life and property, preserve the peace, prevent and detect crime, enforce the law, and protect the rights of all citizens. All members of the Benton County Sheriff’s Office are committed to working in partnership with our community and to identify and resolve issues that impact public safety.

Undersheriff

Jon Law

Commander Mathew Clarke

Law Enforcement Division

Commander Lee Cantu

Investigations Division

Support Staff

Lieutenant Erik Magnuson

Public Information Officer

Sergeant Justin Gerry

Annual Reports

The Sheriff's Office publishes an annual report as a reference guide for the year in review. The report offers a comparison of reported activity measurements.

Office of Professional Standards

The Office of Professional Standards (OPS) has an established system to receive complaints and investigate those complaints. We also have the responsibility of initiating disciplinary action when appropriate. Our goal is to resolve the issues in a thorough, timely, courteous manner.

To file a commendation or complaint, please fill out the Commendations & Complaints form and email to ops.sheriff@co.benton.wa.us.

The Sheriff's Office is located in the Benton County Justice Center at 7122 W. Okanogan Place, Bldg. #A120, Kennewick, Washington 99336. The Sheriff's Office also maintains a business office in the Prosser courthouse.

The current population of Benton County is approximately 198,171 with about 39,461 people residing in unincorporated areas. The county covers 1722 square miles, which includes the 420 square miles encompassing the Hanford Nuclear Reservation. In addition to providing services to the residents of Benton County, the sheriff's office provides basic law enforcement services to Benton City and the Hanford Nuclear Reservation.

For 2025 Citizen's Academy Application: TBA

Holidays - 2026 Dates office will be closed

  • January 1st
  • January 19th
  • February 16th
  • May 25th
  • June 19th
  • July 3rd
  • September 7th
  • November 11th, 26th - 27th
  • December 24th - 25th

Hours

Kennewick Office Hours

  • Closed for lunch 12:00 pm - 1:00 pm
  • Closed weekends/holidays

Prosser Office Hours

  • Wednesday 10:00 am - 2:00 pm
  • Closed for lunch 12:00 pm to 12:30 pm
  • Closed weekends/holidays

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