Browse source-reviewed property tax appeal guides for Indiana. County deadlines, filing methods, and available records can differ by county and tax year.
Each published guide identifies the public sources used for its deadline and filing summary. Confirm current requirements with the official filing authority before submitting anything.
Marion County: 2026 deadline guidance is Verify the 2026 Form 11; deadline depends on its mailing date. Guide: https://fairpath.app/property-tax-appeal/indiana/marion-county
Source: Indiana Department of Local Government Finance, DLGF Appeals Process Forms, https://www.in.gov/dlgf/forms/dlgf-forms/. Reviewed 2026-07-16.
Source: Indiana Department of Local Government Finance, Notice of Assessment of Land and Improvements Form 11, https://www.in.gov/dlgf/understanding-your-tax-bill/notice-of-assessment-of-land-and-improvements-form-11/. Reviewed 2026-07-16.
Source: Indiana Department of Local Government Finance, Property Tax Assessment Appeals Process, https://www.in.gov/dlgf/appeals-property-tax/. Reviewed 2026-07-16.
Source: Marion County Assessor, Marion County Assessor Property Cards, https://maps.indy.gov/AssessorPropertyCards/index.html?defaultview=address. Reviewed 2026-07-16.