Issues concealed carry, gold card, and enhanced pistol permits. Also provides information on becoming a notary public and maintains a list of current notaries. This office also handles lobbyist information, apostilles and authentications, and raffle requests.

Protects the rights of the citizens within its jurisdiction to be free from criminal attacks, to be secure in their possessions and to live in peace. Also provides jail service, work release, sentence to serve programs, finger printing, rural and contract law enforcement and emergency services (911 services), concealed pistol permit applications, delivery of civil papers, petitions for involuntary mental health holds, and information regarding burning bans.

The Oglala Lakota County Sheriff's Department protects the rights of the citizens within its jurisdiction to be free from criminal attacks, to be secure in their possessions and to live in peace. The County Sheriff is also the contact mental health holds and responsible for issuing temporary concealed carry permits.