Fall River & Oglala Lakota County Courthouse in Hot Springs will be closed on Friday, July 3rd, 2026 in observance of the 4th of July holiday. Normal hours of 8am – 5pm will resume Monday, July 6th, 2026.
TREASURER’S OFFICE – NOTICE OF TEMPORARY CHANGE IN HOURS
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.
Summer Reassessment – Field Work Complete
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.
Summer Reassessment – Week 2
Week of May 25th: Monday – holiday. Weather permitting the assessors will be back out on Tuesday to finish remaining properties. These include most of the properties accessed from highway 18. Some properties further off the road were not accessible this last week due to rain. Some of these assessors may return to in later summer or fall.

See Summer Reassessment page for more information.
