County Treasurer’s Office (Registration & Title) 420 Mount RushmoreCuster South Dakota 57730 SD Custer 420 Mount RushmoreDirections (605) 673-8172 Monday 08:00 am - 05:00 pm Tuesday 08:00 am - 05:00 pm Wednesday 08:00 am - 05:00 pm Thursday 08:00 am - 05:00 pm Friday 08:00 am - 05:00 pm Saturday Closed Sunday Closed
