How to appeal property taxes in Indiana
County-specific guides with this year's deadlines, the exact forms, and step-by-step filing instructions — researched from official Indiana sources. Or skip the reading: run your address through the free check and get your county's answer in about two minutes.
Lake County
Lake County's Form 130 appeal deadline is June 15. File with the Assessor, understand the PTABOA hearing process, and check the Jan. 15 deadline for homestead, over-65, and disabled-veteran credits.
Marion County
Marion County’s 2026 property tax appeal deadline was June 15; see exactly where to file Form 130, what evidence wins, and how much you might save.
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