Every appeal guide on this blog says the same first step: pull your property record card. This post is the missing manual for what happens next. The record card (PRC) is the worksheet behind your assessed value — every square foot, grade letter, and condition code the township assessor used to price your property. If the card is right, your appeal is a valuation argument. If the card is wrong, your case may be far simpler — and in some cases you don't need the appeal window to be open at all.
Here's where to get your Marion County card, what each field means, which errors actually move assessed value, and which remedy fits which error now that the June 15, 2026 appeal deadline has passed.
Where to get the card
Marion County publishes record cards through several front doors:
| Tool | What it does |
|---|---|
| Assessor Property Cards | The county's dedicated PRC search — by address, owner name, parcel number, or state parcel number, on a map |
| MapIndy / IndyGIS | The city-county GIS hub; parcel boundaries, aerials, and layers that help you sanity-check acreage and improvements |
| Property Lookup | Your assessment history, record card data, and comparable parcels in one place |
Pull the card for your parcel and, while you're there, pull two or three neighboring parcels of similar homes. The fastest way to spot an anomaly on your card is to see what a normal card for your street looks like. If a card won't load or a parcel looks misrouted, the Marion County Assessor's Office is the office of record for the underlying data.
Reading the card, field by field
Land: type, classification, and acreage
The land section prices your dirt separately from your buildings. Check the acreage against your deed or plat, and the land type codes — a residential lot coded with excess acreage, or a lot that kept acreage after a split, carries phantom land value. Land value is set by neighborhood code in Marion County, so a land line that jumped when your improvements didn't is usually a neighborhood-code change worth questioning.
Improvement grade
Grade is the assessor's judgment of construction quality — materials, workmanship, design — expressed as a letter with plus/minus gradations (D, C, C+1, B, and so on). It's a multiplier on replacement cost, which makes it one of the highest-leverage fields on the card: as we noted in our PTABOA evidence guide, a one-notch grade difference represents roughly a 10% swing in improvement value. A tract-built home carrying a custom-build grade is a classic over-assessment.
Condition
Condition rates the state of the structure relative to its age — poor, fair, average, good, excellent. Unlike grade (what was built), condition is about what's there now. Deferred maintenance, an outdated interior, or damage the assessor has never seen can all justify a lower condition rating — but only with photos and documentation.
Square footage
The single most consequential number on the card. Assessed value is built on priced square footage, so a card showing 2,400 sq ft for a 1,950 sq ft house inflates the improvement value by roughly the same proportion. Check the sketch on the card against reality: above-grade living area, basement area, and — critically — basement finish percentage, since finished basement space is priced far above unfinished.
Year built and effective age
Year built is a fact; effective age is a judgment — how old the structure behaves for depreciation purposes given renovations or deterioration. A full-gut renovation can legitimately reduce effective age (raising value); an untouched older home carrying a young effective age is under-depreciated and over-assessed. If your card shows an effective age decades younger than the house with no renovation to justify it, that's a finding.
Outbuildings and yard items
Detached garages, pole barns, sheds, pools, decks. Each is a value line. A demolished garage still on the card is pure phantom value — and one of the cleanest correction cases that exists.
Tip
Prioritize by leverage: square footage and grade move value the most, followed by basement finish, condition, effective age, and phantom outbuildings. A wrong year built that doesn't change the depreciation table may move nothing at all. Chase the fields that price, not the fields that merely describe.
Matching the error to the remedy
This is where owners go wrong in both directions — filing formal appeals for typos, and trying to fix valuation opinions with a phone call. The current landscape, post-June 15:
| What you found | The remedy | Timing |
|---|---|---|
| Provable factual error: wrong square footage, phantom structure, wrong taxpayer, clerical mistake | Correction of error (objective claim on Form 130) — see the statewide statute guide | Up to 3 years after taxes were first due; open right now |
| Missing homestead or other deduction, wrong tax-cap tier | Correction of error, plus a parallel request to the county auditor — the Marion playbook walks through both | Open right now |
| Judgment fields you dispute: grade, condition, effective age — or the value itself | Form 130 valuation appeal for the 2027 cycle | File after your spring 2027 Form 11; expect a June 15, 2027 deadline |
The judgment fields deserve a caveat: grade and condition errors feel objective, but because they encode an assessor's opinion, counties generally treat disputes over them as valuation arguments. The safe play is to document them now and put them at the center of a 2027 appeal, where they're squarely in scope — the Form 11 walkthrough covers how that filing works when the next notice lands.
Build the file now, not in May 2027
Marion County's 2026 notices mailed April 28 and the appeal window ran to June 15 — about seven weeks, as covered in the Marion Form 11 guide. Seven weeks is enough time to file; it is not enough time to measure your house, photograph every defect, and reconstruct a demolition from 2019. Do the record-card audit in the off-season:
- Print the card and the sketch from Assessor Property Cards.
- Measure above-grade living area and basement finish; note discrepancies.
- Photograph condition issues with timestamps.
- Cross-check acreage and structures against MapIndy aerials.
- File corrections for the objective errors immediately; hold the judgment disputes for the 2027 Form 130.
Verify your card today
Most owners have never once looked at the worksheet their tax bill is built on — and record cards get re-keyed, trended, and updated every cycle. Verify your parcel's record card data, assessment history, and how your per-square-foot value compares to neighboring homes with Property Lookup. If the audit turns up a valuation problem rather than a data problem, our tax appeal service builds the 2027 evidence package from exactly this material.