Beginning July 1, 2026, the Treasurer’s Office will be closed daily from 1:00 p.m. to 2:00 p.m.
Last customer must be at the window by 12:30 p.m. to ensure processing is complete by 1:00 p.m.
Thank you for your understanding and cooperation & we apologize for any inconvenience.
The assessors have finished their field work for the 2026 Oglala Lakota County summer reassessment. Our teams have moved on to their field work for Fall River County. If you received a yellow tag asking for more information please call the office at, 605-745-5136, to leave your contact information. Your assessor will call you back when they are in the office.
