Contact Information
Main Office
Address:
Lake County Buildings & Grounds
200 E Center St
Madison, SD 57042
Phone:
605-256-7623
Office Hours:
8:00 a.m. - 5:00 p.m.
Monday - Friday (excluding Holidays)
Announcements
Plat Deadline 10/20
Tuesday, October 7, 2025
Complete Plats due for the 11/4/25 meeting
Real Estate & Mobile Home Taxes - Second Half
Wednesday, October 1, 2025
Second half property taxes are due by October 31. Please bring your tax notices with you. Tax payments must be made for the exact amount only.
Tax payments may be sent to the Treasurer's Office at 200 E. Center St, Madison, SD 57042 and MUST be postmarked by October 31. Please send your tax stubs to ensure proper credit to the correct parcels of land.
Please note: Payments received or postmarked after October 31st will reflect a late fee and interest.
Application for Disabled Veteran Property Tax Exemption Due on 11/1
Wednesday, October 1, 2025
Application must be made and submitted to the Director of Equalization on or before November 1.
Riparian Buffer Strip Deadline - 10/15
Wednesday, October 1, 2025
Applications are due to the Director of Equalization's office on or before October 15.
Per SDCL 10-6-116, landowners may receive a reduction in property value of 40 percent of any eligible riparian buffer strip. The law specifies 575 lake listings and 11,000 miles of streams that are eligible.
CUP/Variance Deadline 10/13
Tuesday, September 30, 2025
Complete applications due for the 11/4/25 meeting