County Treasurer’s Office (Registration & Title) 311 E. FourthWhite River South Dakota 57579 SD Mellette 311 E. FourthDirections (605) 259-3151 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