Sheriff's Office

Physical Address:
1000 5th St N
Carrington North Dakota 58421
Mailing Address:
PO Box 45
Carrington North Dakota 58421

 - (701) 652-2251

 - (701) 652-2173

The Foster County Sheriff is an elected position with a four year term. The current Foster County Sheriff is Ian Mattice.

As the Sheriff he performs the following duties:

  • The Foster County Sheriff’s Office is committed to protect the lives, property and rights of all people, to maintain order and to enforce the law.
    The Foster County Sheriff’s Office will strive to accomplish this mission by setting goals and objectives and practicing the core values of the Office.
    It is our mission to improve and maintain the quality of life we enjoy and to ensure that our county is a safe place to live, work and visit.
    We are totally dedicated to this mission, to the County we serve and to accept the responsibility of attaining our goal of achieving excellence within our profession.
    The Foster County Sheriff’s Office’s values are its principles and beliefs, which guide the Office’s members as they pursue the Office’s mission.
  • The underlying premise of the Foster County Sheriff’s Office is that officers shall dedicate themselves to treat people with respect, fairness and compassion.


Sheriff Alan Ian Mattice, comes to us from LaMoure where he served as the Police Chief there for three years. Before that he worked for the Jamestown Police Dept for 10 years, as a supervisor on the night shift, and assistant commander of the James River Special Operations Team. His first job in Law Enforcement was for Walsh County up in Grafton where he worked for a total of four years as a Deputy Sheriff . Ian is a graduate of Alexandria Technical College where he received his degree in Law Enforcement. Ian also attended culinary school and loves to cook for his family. Ian has been married for 21 years, to his wife Hazel and they have four sons. Ian was appointed Sheriff of Foster County in Jan of 2015, and was elected on Nov 2016.

Deputy Ben Kothrade is our newest Deputy and started in July of 2016. Ben also worked for Walsh County and was a Deputy Sheriff there for almost a year. Ben also is a graduate of Alexandria Technical College.

Foster County also has a reserve Deputy program and our current reserve deputies are:

Reserve Deputy Mo Nelson

Reserve Deputy Larry Weninger

Reserve Deputy Michael Scott

Reserve Deputy Ward Hilger



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