AribaTax blog

Indiana property data insights, tax appeal guides, market reports, and platform updates.

Property Taxes (160)How-To Guides (56)Market Reports (22)Agriculture (16)Data & Analytics (10)Real Estate Investing (8)Insurance (2)Product Updates (1)

Featured

How-To Guides4 min read

Indiana Property Tax Software: The Complete 2026 Guide

Every layer of Indiana property tax software, mapped: state systems like Gateway and PPOP-IN, the CAMA platforms counties run, online payment portals, and the lookup, data, and appeal tools taxpayers actually use.

How-To Guides8 min read

How to Read Your Indiana Property Tax Bill: A Line-by-Line Guide

Your Indiana property tax bill contains more than just the amount due. Learn what every line means — gross assessed value, deductions, net assessed value, tax rate, credits, and circuit breaker caps — so you can verify you're paying the right amount.

All articles

How-To Guides6 min read

Indiana School Referendum Cost: How to Calculate Your Bill Before Nov. 3

How to calculate what an Indiana school referendum will cost you: net assessed value after the $40,000 and 46% homestead deductions, times the rate per $100. Why the caps and the $300 SB 1 credit do not shrink it, with DLGF-certified rates for 10 districts.

How-To Guides4 min read

Indiana Property Tax Relief for 2027 Bills: The Year-End Filing Checklist

Every deduction and credit statement for taxes payable 2027 must be completed, dated, and filed with your county auditor by January 15, 2027 — one unified deadline under current Indiana law. What still requires a filing after SB 1 and HEA 1210, and what applies automatically.

How-To Guides4 min read

Budget Form 3 Decoded: How to Read Indiana's Notice to Taxpayers This Fall

Every Indiana taxing unit must post its Notice to Taxpayers (Budget Form 3) for the 2027 budget to Gateway by October 13, 2026. What each field means — proposed levy, current levy, percentage change, hearing details — and why the advertised number is a ceiling, not a forecast.

Property Taxes4 min read

Indiana Late Property Tax Penalties: The 5% vs. 10% Rules Before November 10

Miss an Indiana property tax installment and the penalty is 5% only if you had no prior delinquency and pay within 30 days — otherwise 10%, with another 10% each installment date you stay delinquent. What IC 6-1.1-37-10 actually says ahead of the November 10, 2026 fall due date.

Property Taxes4 min read

Why No Township Assessor Sets Your Indianapolis Assessment Anymore

Indiana's 2008 property tax reform stripped township assessors of their duties and put the office's survival to a public vote. In Marion County, one county assessor now values all nine townships — here's the history and what it means for your appeal.

Data & Analytics4 min read

Indiana Property Tax Data for Lenders, Escrow Servicers, and Tax-Service Companies

What mortgage servicers need per Indiana parcel — installment amounts, due dates, delinquency status, the 18-digit parcel key — where that data actually lives across 92 county systems, and why the SB 1 homestead phase-in makes escrow projections wrong if you extrapolate last year's bill.

How-To Guides3 min read

Every Free Official Indiana Property Tax Tool, in One Directory

Gateway, PPOP-IN, the DLGF transparency portal, county GIS portals, SDF data, township lookup, memo library — the complete map of free government tools for Indiana property taxpayers, and what each one is actually for.

How-To Guides4 min read

Inside the Software Pipeline That Creates Your Indiana Tax Bill

Your TS-1 statement is the output of four systems handing off data: county CAMA, the auditor's deduction rolls, DLGF rate certification via Gateway, and the treasurer's billing system. Tracing the pipeline tells you exactly where any error was born.

Real Estate Investing8 min read

Indiana Tax Sale Process: A Complete Guide for Investors

How Indiana counties sell tax-delinquent properties. Certificate sales, commissioner's sales, the 1-year redemption period, 10% guaranteed return, and the practical risks investors face.

Property Taxes5 min read

Indiana's Business Personal Property Exemption Just Jumped 25× — What the New $2 Million Threshold Means for LLCs, Landlords, and Small Businesses

SEA 1 and HEA 1427 raised Indiana's business personal property exemption from $80,000 to $2,000,000 effective with the January 1, 2026 assessment. Most small businesses, rental LLCs, and short-term rental operators now owe zero BPP tax — but the filing requirement stays. Here's what changed and how to claim the exemption on Form 103.

How-To Guides7 min read

Marion County's 9 Townships: Why Your Indianapolis Address Matters

Marion County's nine townships — Center, Lawrence, Pike, Wayne and the rest — no longer have their own assessors, but township lines still drive your tax rate, school district, and comparable sales. Here's how township affects your tax bill.

Agriculture3 min read

Indiana Farmland Values by County: 2026 Trends

Analysis of Indiana farmland values and agricultural property trends for 2026. County-by-county data, soil quality factors, and transition zone detection.