How to Appeal Your Property Tax in Indiana
Indiana 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: June 15 or 45 days from notice
Don't miss your window. Missing the deadline means waiting another full year.
How Indiana Assesses Property
Indiana assesses residential property at 100% of market value.
Indiana assesses property at 100% of market value-in-use (true tax value).
The Appeal Process
Appeals are heard by the Property Tax Assessment Board of Appeals (PTABOA). An informal review is available before filing a formal appeal.
County Assessor (Informal)
Property Tax Assessment Board of Appeals (PTABOA)
Indiana Board of Tax Review
Indiana Tax Court
Indiana Appeal Deadline
Deadline: June 15 or 45 days from notice
Typical window: May - June
What Overassessment Costs Indiana Homeowners
The median home in Indiana is worth $182,000. If your assessment is just 10% too high, you may be overpaying:
~$155/year
Effective tax rate: 0.85% · Median value: $182,000
Check Your Indiana Assessment
Enter your address to see your estimated overassessment and Indiana filing deadline.
Indiana Counties
Allen County
Median: $172,200 · Rate: 0.94%
Deadline: June 15
→ View Guide
Hamilton County
Median: $355,800 · Rate: 1.05%
Deadline: June 15th, 2026
→ View Guide
Lake County
Median: $135,400 · Rate: 1.37%
Deadline: June 16
→ View Guide
Marion County
Median: $186,900 · Rate: 1.19%
Deadline: June 15, 2026
→ View Guide
Guides & Resources
Property Tax Appeal Resources
Best Appeal Services Compared
7 companies compared — pricing, coverage, and pros/cons for 2026.
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.
9 Ways to Lower Your Property Taxes
From homestead exemptions to formal appeals — every method that works.
Savings Calculator
Check if you're overassessed — enter your assessed value to see potential savings.