View Dewey County Land Records online at
Important Dates
2024
Nov 11 Courthouse closed for Veterans Day
Mid Nov - Current tax statements are mailed by Dewey County Treasurer and become due and payable
Nov 27 Courthouse closes at 1pm for Thanksgiving
Nov 28-29 Courthouse closed for Thanksgiving
Dec 25 and Dec 26
Courthouse Closed for Christmas
Dec 31 - last day to pay full amount or one half of taxes due before they become delinquent
Dec 31 - due date for all taxes paid by mortgage companies. Mortgage companies must pay the full amount due
2025
Jan 1 Courthouse closed for New Years Day
Jan 1 - March 15 Business, Farm, and Manufactured Home (on leased land) personal property renditions due
Jan 20 Courthouse closed for Martin Luther King Day
Feb 17 Courthouse closed for Presidents Day
Mar 15 - DEADLINE for reporting personal property and applying for any exemptions
Mar 16 - 10% penalty added to personal property accounts not filed by Mar 15
Mar 31 - last day to pay second half of taxes due before becoming delinquent
Apr 1 - deadline for protesting 2025 values that did not receive notice
Apr 15 - last day for 2025 personal property rendition postmark before 20% penalty applied
