Lake County Emergency Management

June 2026 Primary Election Ballots are now available! Absentee Voting is open from 8am-5pm, Monday-Friday.

Lake County property owners have until April 30th to pay the 1st half of their 2025 due in 2026 real estate & mobile home taxes without a penalty. The 2025 taxes can be paid at Treasurer’s Office, located on the 1st floor of the courthouse from 8 a.m.- 5 p.m. Mon-Fri. Payments can also be placed in the drop box located in the vestibule at the north entrance of the courthouse or be mailed. If mailed, it must be postmarked no later than April 30th. Interest will be added to all delinquent taxes

Mail payments early to allow for processing. The USPS only postmarks mail once it is received at a processing center, it no longer is stamped at the local post office at the time of drop off. Visit with the clerk at your USPS office to have your mail hand stamped to make sure it has a valid postmark. If the payment isn’t received by Thursday, April 30th it must have a valid postmark to be considered timely. Receipts will only be returned if you enclose a stamped self- addressed envelope.

First half of Real Estate and Mobile Home Taxes due by the end of April. 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 April 30. Please send your tax stubs to ensure proper credit to the correct parcels of land. Please note: Payments received or postmarked after April 30th will reflect a late fee and interest.

The Treasurer's Office also offers a drop box for property tax payments located between the double doors of the north entrance to the courthouse. Payments must include the payment coupon or parcel number with each payment and be in the exact amount only (all others will be returned). If you would like a receipt, please include a self-addressed stamped envelope. Payments dropped off after 4:30 p.m., M-F will be credited the following business day.

CUP/Variance Applications due for consideration for the May 19th meeting

Due to staffing, the drivers exam, located at the 4-H grounds, is closed until further notice