Madison County Assessor 134 E. Main St.Rexburg Idaho 83440 ID USA 134 E. Main St.Directions (208) 359-6257 Monday 09:00 am - 05:00 pm Tuesday 09:00 am - 05:00 pm Wednesday 09:00 am - 05:00 pm Thursday 09:00 am - 05:00 pm Friday 09:00 am - 05:00 pm Saturday Closed Sunday Closed