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: $194,300 · Rate: 0.80%
Deadline: June 15, 2026
→ View Guide
Boone County
Median: $341,800 · Rate: 0.80%
Deadline: June 15, 2026
→ View Guide
Clark County
Median: $125,800 · Rate: 0.82%
Deadline: 45 days from the date of your Form 11 Notice of Assessment, or June 15, 2026 (whichever is later)
→ View Guide
DeKalb County
Median: $112,300 · Rate: 0.79%
Deadline: June 15, 2026 (if Form 11 mailed before May 1) or 45 days from Form 11 notice date
→ View Guide
Floyd County
Median: $194,300 · Rate: 0.85%
Deadline: June 15, 2026 (or 45 days from the date your assessment notice was mailed, whichever provides more time)
→ View Guide
Fulton County
Median: $93,900 · Rate: 0.75%
Deadline: June 15, 2026 (if Form 11 notice mailed before May 1)
→ View Guide
Grant County
Median: $105,800 · Rate: 0.85%
Deadline: June 15, 2026, or 45 days from the date your Form 11 assessment notice is mailed, whichever is later
→ View Guide
Hamilton County
Median: $371,500 · Rate: 1.10%
Deadline: June 15, 2026
→ View Guide
Johnson County
Median: $240,700 · Rate: 0.73%
Deadline: June 15, 2026
→ View Guide
Kosciusko County
Median: $200,000 · Rate: 0.86%
Deadline: June 15, 2026 (if Form 11 mailed before May 1) or June 15 in the year tax statements are mailed (if Form 11 mailed after April 30)
→ View Guide
Lake County
Median: $135,400 · Rate: 1.37%
Deadline: June 15, 2026 or 45 days after Form 11 notice is mailed, whichever is later
→ View Guide
Marion County
Median: $207,000 · Rate: 1.19%
Deadline: June 15, 2026, or 45 days from the date your Form 11 assessment notice is mailed, whichever is later
→ View Guide
Monroe County
Median: $254,200 · Rate: 0.97%
Deadline: June 15, 2026
→ View Guide
Morgan County
Median: $141,200 · Rate: 0.67%
Deadline: June 15, 2026, or 45 days after the Form 11 Notice of Assessment is mailed, whichever is later
→ View Guide
Porter County
Median: $261,900 · Rate: 0.83%
Deadline: June 15, 2026 or 45 days from receipt of assessment notice, whichever is later
→ View Guide
Scott County
Median: $96,600 · Rate: 0.82%
Deadline: June 15, 2026, or 45 days from the date your assessment notice (Form 11) was mailed, whichever is later
→ View Guide
St. Joseph County
Median: $170,800 · Rate: 1.05%
Deadline: June 15, 2026
→ View Guide
Tippecanoe County
Median: $209,300 · Rate: 0.89%
Deadline: June 15, 2026
→ View Guide
Vigo County
Median: $104,800 · Rate: 1.07%
Deadline: June 15, 2026
→ View Guide
Wells County
Median: $188,100 · Rate: 0.56%
Deadline: June 15, 2026 (or 45 days from assessment notice, whichever is later)
→ View Guide
Indiana Guides & Resources
📋 How to Appeal Property Taxes in Indiana: Complete 2026 Guide
Complete guide with deadlines, forms, and step-by-step instructions
📋 How Much Can Property Taxes Increase in Indiana? 2026 Complete Guide
Indiana caps, limits, and protections
📅 Indiana Property Tax Appeal Deadline 2026: June 15 for Most Counties
Indiana filing deadlines and process
🏦 How to Appeal Property Taxes in Escrow in Indiana (2026)
Yes, you can appeal even if your lender pays your taxes
🔑 1% or 2%: The Tax Cap Decision That Can Double the Bill on an Inherited Indiana Home
Indiana never reassesses an inherited house, but losing homestead status moves it from the 1% cap to the 2% cap and strips its deductions. Here is the January 15 deadline that decides which bill you pay.
👤 Indiana's Over-65 Pivot Under SEA 1-2025: $14,000 Deduction Replaced by $150 Credit, Income Caps Raised to $60K/$70K
From $14,000 deduction to $150 credit, what SEA 1-2025 changed
Indiana Homestead Deductions 2026: Standard, Supplemental, and a New Credit
Indiana's homestead deduction is $40,000 for 2026 and phasin
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.
Flat Fee vs Contingency: Which Saves More?
$49 flat vs 25-50% of savings, see the break-even math at every savings level.
Frequently Asked Questions
How do I appeal my property tax in Indiana?
What is the Indiana property tax appeal deadline?
What is Indiana's property tax assessment ratio?
How much can I save by appealing in Indiana?
What evidence do I need for a Indiana property tax appeal?
What is the effective property tax rate in Indiana?
Can I file a Indiana property tax appeal online?
Ready to Appeal Your Indiana Property Tax?
Enter your address for a free overassessment analysis. If the numbers support a appeal, your complete evidence packet is $49.