Contact Information
Main Office
Address:
Lake County Equalization
200 E Center St
Madison SD 57042
Phone:
605-256-7605
Fax:
605-256-7626
Office Hours:
8:00 am – 5:00 pm
Monday – Friday (excluding Holidays)
Announcements
County Offices Closed
Friday, December 19, 2025
County Offices will be closed on Thursday, January 1, 2026 in observance of New Years Day
County Offices Closed 12/24 - 12/26
Wednesday, December 3, 2025
County Offices will be closed on Wednesday, December 24, Thursday, December 25 and Friday, December 26 in observance of Christmas.