How to Appeal Your Property Tax in South Dakota
South Dakota homeowners can appeal their property tax assessment if they believe it's too high. This guide covers the 2026 appeal deadline, required evidence, and step-by-step process.
2026 Appeal Deadline: Third Monday in March
Don't miss your window. Missing the deadline means waiting another full year.
How South Dakota Assesses Property
South Dakota assesses residential property at 85% of market value. This means if your home is worth $214,000, your assessed value would be $181,900.
South Dakota assesses non-agricultural property at 85% of full and true value.
The Appeal Process
Appeals are heard by the County Board of Equalization. An informal review is available before filing a formal appeal.
Director of Equalization (Informal)
Local Board of Equalization
County Board of Equalization
Office of Hearing Examiners
Circuit Court
South Dakota Appeal Deadline
What Overassessment Costs South Dakota Homeowners
The median home in South Dakota is worth $214,000. If your assessment is just 10% too high, you may be overpaying:
~$250/year
Effective tax rate: 1.17% · Median value: $214,000
Check Your South Dakota Assessment
Enter your address to see your estimated overassessment and South Dakota filing deadline.
South Dakota Counties
Guides & Resources
Property Tax Appeal Resources
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2026 Appeal Deadlines
Every state's deadline, filing method, and what happens if you miss it.
Assessment Ratios by State
Every state's assessment percentage — from 4% to 100% — with worked examples.
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Savings Calculator
Check if you're overassessed — enter your assessed value to see potential savings.