Porter County Tax Assessment Search & Records (2026)

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Porter County, Indiana · Assessments · Property Records · Taxes · GIS

Find the Parcel, Read the Value, and Know What to Do Next

Porter County property assessment records are searched through the Assessor’s XSoft Engage system, where you can locate parcels by owner, address or parcel number and review ownership, assessment history, sales, land, improvements, sketches, photos and property record cards.

The important part is what happens after the parcel appears. This guide explains which fields to check, how Indiana’s 100% market-value-in-use assessment works, how to use Advanced Search for comparable sales, which 2026 deadlines have already passed, where to question an assessment, and when the Auditor, Treasurer or Recorder—not the Assessor—controls your next step.

Get the quick answer Follow search steps Check appeal options
Indiana office split: Porter County does not use an Ohio-style “Auditor does everything” model. Use the Assessor for assessed value and assessment appeals, the Auditor for ownership transfers and property-tax deductions, the Treasurer for tax bills and payments, and the Recorder for deeds, mortgages, liens and recorded instruments.

Quick answer: start with XSoft Engage

For Porter County tax assessment search and property records, begin with the official Assessor’s XSoft Engage portal. Enter an owner name, property address or parcel number, select the correct parcel, then review its valuation, ownership, sales, land and improvement information. Save the parcel number before moving to taxes, deductions, deeds or an assessment question.

1 Search one way Owner, address or parcel number.
2 Verify the parcel Match address, owner and parcel number.
3 Read the record Value, sales, land, buildings and PRC.
4 Route the task Assessor, Auditor, Treasurer or Recorder.
Assessment portal XSoft Engage
Indiana assessment level 100%
2026 Form 11 mailed April 28
2026 appeal deadline June 15 — passed
Fall tax due Nov. 10, 2026
Main Assessor 219-465-3460
Portage Township 219-759-8221
Auditor 219-465-3445
Treasurer 219-465-3470
Recorder 219-465-3465
Open official assessment search Open Advanced Search Open property-tax portal

Choose the Porter County task you need

Each section below answers a different property-record problem and tells you which official tool or office should handle the next action.

Office routing

Use the office that actually controls the answer

A
ASSESSOR Assessed value
Property facts
Form 11
Appeals
Au
AUDITOR Deductions
Transfers
Splits
Tax maps
T
TREASURER Tax bill
Balance
Payment
Delinquency
R
RECORDER Deeds
Mortgages
Liens
Recorded docs
GIS
MAP Parcel context
Location
Tax maps
Spatial layers
Porter County property task → correct office or tool
What you need
Correct place
What it provides
Important limit
Owner, parcel, assessed value, sales, building facts
Assessor / XSoft Engage
Property assessment data and property record cards.
Not proof of marketable legal title.
Dispute assessed value or property facts
County or Portage Township Assessor
Assessment explanation, Form 11 and Form 130 appeal handling.
You appeal the assessment, not simply the tax-bill amount.
Homestead, Over 65, disabled/veteran benefit
Auditor
Property-tax deductions and credits.
Eligibility and filing dates differ by program.
Tax balance, bill, receipt or payment
Treasurer
Payable tax account and payment options.
Treasurer does not determine assessed value.
Ownership transfer, split/combine, tax map
Auditor Real Property
Ownership/tax-map administration and transfer processing.
Recorded deed itself belongs with Recorder.
Deed, mortgage, lien, plat or recorded instrument
Recorder
Recorded land documents and document-search routes.
Recorder says its staff do not perform lien searches for users.
Comparable-sale research

Use Advanced Search when one parcel is not enough

XSoft’s Advanced Parcel Search is useful when you are reviewing comparable properties or trying to understand the neighborhood data behind an assessment.

SUBJECT Parcel facts FILTER Class / area / age SALES Price + date COMPARE Similar parcels EVIDENCE Save results
Useful Porter County Advanced Search fields
Filter
Why it helps
How to use it carefully
Sale price
Narrows transactions to a realistic range.
Do not rely on price alone; compare property characteristics.
Sale date
Lets you focus on sales near the valuation period.
For a 2026 appeal, Porter County specifically identifies 2025 arm’s-length sales as useful evidence.
Assessed value
Finds properties within a similar assessment range.
Assessment similarity does not automatically mean physical comparability.
Property class
Separates materially different property types.
Start here before comparing residential to commercial or vacant land.
Neighborhood / district
Keeps comparisons geographically relevant.
Use the district/neighborhood shown for the subject parcel.
Year built
Helps avoid comparing substantially different building ages.
Use a reasonable range rather than one exact year.
Living area
Helps match house size.
Also compare basement, garage and condition.
Parcel acreage
Useful for rural, agricultural and larger residential parcels.
Land class and location still matter.
Finished basement / bedrooms / stories
Improves physical comparability.
Treat portal characteristics as a starting point and verify obvious errors.
Search-quality tip: start with only two or three major filters. Adding sale date, assessed value, style, neighborhood, year built, acreage, living area, basement, bedrooms and stories all at once can reduce a useful comparison set to zero.
Open Advanced Parcel Search
Property-record decoder

Read the property record before relying on the total value

Assessment record field → what it means → what to check
Field
What it tells you
Practical check
Parcel number
County identifier linking parcel, assessment and tax systems.
Use it on every office call and document request.
Owner
Ownership name currently displayed in assessment data.
Use the recorded deed for legal title proof.
Property location
Situs/physical property location.
Do not confuse it with the tax-bill mailing address.
Land value
Assessed value assigned to the land component.
Review acreage, land class and neighborhood.
Improvement value
Assessment of buildings and other improvements.
Verify structures, square footage, condition and listed features.
Total assessed value
Combined assessed value used as a starting point for tax calculations.
Compare with prior years before deciding the value suddenly jumped.
Value history
Available assessment changes by year.
Identify the first year the disputed change appeared.
Sales / owner history
Available transfer and sale information.
Do not assume every transaction was an arm’s-length market sale.
Property record card
Printable assessment summary.
Save it before requesting a correction or preparing an appeal.

Before calling about an incorrect assessment, check these facts

Parcel number
Property address
Land acreage
Property class
Building square footage
Year built / effective age
Basement finish
Garage / accessory structures
Recent additions
Demolition or storm damage
Current condition
Previous-year value
Online-record limitation: XSoft warns that assessment data is provided as-is and should not be treated as guaranteed legal, financial or real-estate information. Verify a material discrepancy with the Assessor before relying on it for a transaction.
Indiana assessment method

Why Indiana’s “100% assessment ratio” matters

Assessment target: 100% of market value-in-use

Indiana does not generally apply a 35% assessment ratio like Ohio. The Department of Local Government Finance states that the assessment ratio for Indiana property is 100%.

The value standard is market value-in-use. Assessors also perform annual adjustments, often called trending, using market data to move assessments toward current market conditions.

What can cause a Porter County assessed value to change?
Cause
What happens
What you should inspect
Annual trending
Neighborhood sales can move assessments up or down.
Comparable sales and neighborhood data.
New construction
Additions or new structures can increase improvement value.
Permits, square footage and completion date.
Property correction
Assessor may correct characteristics discovered during reassessment.
Property record card before vs. after correction.
Land/use change
Classification or land valuation can change.
Acreage, use, classification and land rate.
Reassessment inspection
Property facts may be updated after inspection.
Exterior/interior characteristics and assessor notes.
Market sale
An arm’s-length sale can become part of market evidence.
Sale circumstances and valuation date.
2026 agricultural land: Porter County’s Assessor resources state that DLGF set the January 1, 2026 agricultural land base rate at $2,120 per acre, unchanged from January 1, 2025.
Open Porter County DLGF data Read Indiana assessment overview
2026 assessment appeal

The regular 2026 Form 11 deadline has passed—do not file blindly

Assessment date Jan. 1, 2026

Value date for the 2026 assessment.

Form 11 mailed Apr. 28, 2026

Porter County mailed its 2026 assessment notices.

Regular appeal deadline June 15, 2026

The county’s regular 2026 Form 11 filing date has passed.

As of September 2, 2026: the normal deadline to appeal Porter County’s January 1, 2026 assessment has passed. Do not assume that mailing a late Form 130 automatically preserves a subjective market-value appeal. Contact the responsible Assessor and explain the exact issue first.

If you already filed a timely Form 130

Save the parcel number and filing proof Keep the submitted Form 130, portal confirmation, certified-mail receipt or office-stamped copy.
Identify the specific disputed fact State whether the dispute concerns market value, square footage, condition, land, building characteristics or another assessment fact.
Prepare evidence around the correct valuation date The Assessor specifically identifies 2025 sale information and comparable sales as useful evidence for the January 1, 2026 assessment.
Send evidence with the parcel number Porter County tells taxpayers with a timely 2026 appeal to reference the parcel number when mailing or emailing supporting evidence.
Track the appeal with the Assessor The XSoft resources instruct taxpayers to contact the County or Township Assessor for active appeal status.

Evidence Porter County currently identifies for a 2026 appeal

Assessment problem → useful evidence
Issue
Useful evidence
Why it matters
Recent subject-property sale
2025 sale or offers to purchase.
Can provide direct market evidence near the valuation period.
Market value dispute
USPAP-compliant market-value-in-use appraisal dated Jan. 1, 2026.
Provides professional valuation evidence tied to the assessment date.
Comparable-sales argument
Arm’s-length sales from Jan. 1 through Dec. 31, 2025.
Porter County identifies this period for 2026 comparison evidence.
1–4 unit rental property
Current lease plus rent documentation such as 12 months of bank statements or canceled checks.
Supports actual rental-income facts.
Poor condition
Current dated photographs and repair estimates.
Documents physical deficiencies instead of relying on general statements.
Incorrect physical record
Measurements, permits, photographs or demolition records.
Targets the factual record used to value improvements.
Objective-error exception: Porter County’s current assessment resources say certain objective claims—such as assessment against the wrong person, a deduction/credit/exemption issue, clerical or mathematical mistake, property-description problem, or certain legality questions—may involve a different time window and can extend up to three years. Refund requests may also require Form 17T. Ask the Assessor which route actually applies before assuming a missed market-value appeal can be revived.
Assessment call script “I am reviewing parcel [parcel number] at [address] for the January 1, 2026 assessment. My issue is [specific value or property-record fact]. The regular June 15 deadline has passed / I filed on [date]. Can you tell me whether this is a regular valuation appeal, an objective error, or another correction process, and which current form and evidence I should use?”
Open Porter County appeal resources Open current Indiana forms
Local routing rule

Portage Township parcels have a separate Assessor contact

Porter County’s own portal gives a parcel-number shortcut: if the final three digits of the parcel number identify taxing district 015, 016 or 017, the Assessor directs taxpayers to the Portage Township Assessor.
Portage Township property

Phone: 219-759-8221

Office:
3590 Willowcreek Road, Room C
Portage, IN 46368

Use this office for assessment questions involving properties in Portage Township.

Other Porter County properties

Main Assessor: 219-465-3460

Assessment appointment: 219-465-3681

Email: Assessor@portercountyin.gov

155 Indiana Ave., Suite 211
Valparaiso, IN 46383

Before calling: have the full parcel number in front of you. Porter County says the township name also appears on the lower portion of Form 11.
2026 payable tax records

Assessment value and tax balance are different records

Use XSoft Engage to understand the assessed property. Use the Treasurer’s tax system when you need the actual bill, current balance, payment history or payment action.

Spring installment May 11, 2026

May 10 fell on a Sunday, so the deadline moved to the next business day.

Fall installment Nov. 10, 2026

Remaining regular 2026 installment date.

Treasurer 219-465-3470

Current bill, balance, receipt and payment questions.

What to do after opening the Treasurer tax search

Choose only one search option Porter County specifically warns users to use only one of the available tax-search methods at a time.
Search the account Use the identifying information requested by the tax portal and open the correct parcel/account.
Confirm the current balance Do not calculate a live payoff from an old bill if delinquency or penalties may exist.
Print the bill or remittance coupon if needed Porter County allows users to view and print tax information online.
Choose payment method Electronic-check payments are listed without an extra processing charge; credit and debit cards carry processing fees.
Save payment confirmation The county notes online payments can take time to post to the internal account history even when the payment site records the transaction immediately.
Installment rule: Porter County states that when total property tax due is $25 or more, taxes are split into spring and fall installments. The standard dates are May 10 and November 10, shifted to the next business day when the date falls on a weekend or holiday.
Open Treasurer Review official payment options
Auditor tax benefits

If the gross assessment looks right but the tax bill jumped, check deductions

A tax-bill increase is not always an Assessor problem. Porter County tells taxpayers to compare the deduction section of the bill and contact the Auditor when deductions changed.

Property-tax benefit → current Porter County action
Program
Key point
Where to ask
Homestead
Generally for an owner-occupied principal residence and up to one acre immediately surrounding the residential improvement.
Porter County Auditor
Former mortgage deduction
Porter County notes Indiana eliminated the separate $3,000 mortgage deduction beginning in 2023 and rolled it into homestead calculations.
Do not rely on an old mortgage-deduction tutorial.
Over 65 Credit
Current Auditor guidance lists one-year ownership/residency requirements and 2026 AGI limits of $60,000 individual / $70,000 joint, with a $150 credit if eligible.
Auditor; verify current documentation before filing.
Blind / Disability Credit
The Auditor says there is no longer an income limitation under the recent changes and the applicant must have an ownership interest.
Auditor
Disabled veteran
The county’s deduction guidance asks applicants to bring the applicable VA Certificate of Eligibility.
Auditor
Do not use an old deduction deadline automatically. Porter County’s Auditor page says recent Indiana legislation changed qualifications, credits and filing requirements for several programs. Check the current program page before relying on a prior-year deadline.
Open current Auditor guidance Review tax deductions
August 2026 storm / flood relief

Physically damaged property has a separate reassessment route

Local 2026 update: Porter County is among the Indiana counties covered by the federal emergency declaration following the severe storms, straight-line winds, tornadoes and flooding that began August 11, 2026.
Confirm there was physical property damage Form 137R is a reassessment request for real or personal property physically damaged or destroyed by the disaster.
Document the loss Porter County recommends photographs, insurance claims, appraisals or repair estimates.
File Form 137R with the Assessor The county says the disaster-based filing window runs through August 10, 2027.
Understand which tax year it affects An approved adjustment applies to the January 1, 2026 assessment used for taxes payable in 2027.
Do not expect it to reduce the current 2026 bill Porter County expressly states the disaster reassessment does not reduce taxes currently payable in 2026.
Important distinction: Form 137R is an assessment-reduction request. It is not an insurance claim and does not apply for FEMA assistance.
Open current storm-relief instructions
Business personal property

Business equipment is not searched like residential real estate

Porter County describes business personal property as a self-assessed system for taxable tangible property used in a trade or business, for income production, or held as an investment and subject to depreciation for federal income-tax purposes.

2026 filing deadline

Porter County’s 2026 personal-property return deadline was May 15, 2026.

The county lists a $25 late penalty, with an additional 20% of taxes payable for a return not filed within 30 days of the due date.

PPOP-IN change

Porter County says Indiana’s PPOP-IN portal stopped accepting new or amended returns beginning January 1, 2026 and remains available for historical purposes only.

Current filing questions: 219-465-3529.

Completed personal-property forms are currently directed to Porter County Assessor, 155 Indiana Ave., Suite 302, Valparaiso, IN 46383.
Open current personal-property resources
Deeds, GIS and recorded records

Assessment records do not replace deeds or legal land records

Record type → where to verify it
Record
Best source
What to do after opening
Assessment record
Assessor / XSoft Engage
Locate parcel → review value → print property record card.
Tax record
Treasurer
Search one account method → verify live balance → print bill/receipt.
Ownership tax map / parcel split
Auditor Real Property
Use parcel number → ask about transfer, split, combine or mapping status.
Deed / mortgage / release
Recorder
Use Recorder’s Direct Search, Tapestry or Laredo depending on search depth/frequency.
Indiana state tax lien
Indiana Department of Revenue
Do not expect the Recorder to be the source for Indiana state tax liens.
State tax warrant
County Clerk / Sheriff
Use the appropriate warrant record rather than the ordinary deed index.
Federal tax lien / miscellaneous property lien
Recorder
Use the appropriate recorded-document search.

Recorder search choices

Direct Search

Porter County describes this as a free basic recording-information search.

Tapestry

Designed for occasional land-record searches and charged per search.

Laredo

Subscription/account-based search for users who repeatedly research Porter County land records.

Recorder counter timing: deeds and other conveyance documents that must circulate among the Assessor, Auditor and Recorder should reach the Recorder by 3:00 p.m. CST. The Recorder states that counter recording stops after 4:00 p.m.
Open official record-search options Open Auditor Real Property
Search failure recovery

No parcel or wrong record? Try these fixes in order

Owner search returns nothing Search only the surname or one distinctive word from a trust, estate or company.
Full address fails Keep the house number and main street word; remove suffix, direction, unit and punctuation.
Property recently sold Search the former owner, then verify the current deed through Recorder records.
Newly split parcel Search the parent/old parcel number and ask Auditor Real Property whether the split is complete.
Two parcels look identical Compare complete parcel number, legal location, acreage and map position.
Vacant land has no useful street address Search owner or parcel number and use GIS/map context.
Value changed but property facts look correct Review annual trending and comparable sales instead of assuming a clerical mistake.
Tax bill changed but gross AV did not Check deductions, tax rates, credits and other bill components.
Portage property routed incorrectly Check whether the parcel ends in taxing district 015, 016 or 017.
Portal data looks stale Check the footer’s data-current date and contact the Assessor for clarification.
Universal property-search script “I am trying to identify parcel [number if known] at [address]. The public record shows [specific value, owner or characteristic], but I believe [specific fact] is different. Can you confirm whether this is an assessment, ownership-transfer, tax-billing or recorded-document issue and tell me which current record or form I should use?”
Porter County property offices

Call the correct office before making the trip

Porter County assessment and property-record contacts
Office
Use it for
Phone
Location / hours
County Assessor
Values, property facts, Form 11, appeals, assessment records.
219-465-3460
155 Indiana Ave., Suite 211, Valparaiso, IN 46383. County resources list weekday 8:30 a.m.–4:30 p.m. service.
Portage Township Assessor
Assessment questions for Portage Township / districts 015, 016, 017.
219-759-8221
3590 Willowcreek Road, Room C, Portage, IN 46368.
Auditor
Deductions, transfers, ownership/tax maps, splits/combines, mailing-address changes.
219-465-3445
155 Indiana Ave., Suite 204. Mon–Fri, 8:30 a.m.–4:30 p.m.
Treasurer
Tax bills, balances, payments and delinquency.
219-465-3470
155 Indiana Ave., Suite 209. Mon–Fri, 8:30 a.m.–4:30 p.m.
Recorder
Deeds, mortgages, liens, plats and recorded documents.
219-465-3465
155 Indiana Ave., Suite 210. Mon–Fri, 8:30 a.m.–4:30 p.m.

Porter County Administration Center map

The County Assessor, Auditor, Treasurer and Recorder are all located in the Porter County Administration Center at 155 Indiana Avenue in Valparaiso, although they occupy different suites.

Related Indiana property guides

Continue only when the property is outside Porter County

Indiana statewide property records

Use the statewide guide to compare Assessor, Auditor, Treasurer and Recorder responsibilities across all 92 Indiana counties.

Open Indiana county property guide
Lake County, Indiana

Use this when the parcel is west of Porter County and is actually recorded in Lake County.

Open Lake County IN property search
Grant County, Indiana

See another Indiana county example showing the same important Assessor/Auditor/Treasurer office split.

Open Grant County property guide
Accuracy limits

What an online Porter County property record cannot prove

Useful online for
  • Finding a parcel number
  • Reviewing assessed values
  • Checking owner display and sales history
  • Reviewing land and improvement details
  • Printing a property record card
  • Preparing an Assessor question
Get additional verification for
  • Marketable legal title
  • Exact property boundaries
  • Easements and unreleased interests
  • Professional market value
  • Zoning/building approval
  • Purchase, lending or legal decisions
Responsible-use rule: do not identify, accuse or contact someone based only on a same-name property result. Verify the parcel, physical property and relevant official record first.
10 Porter County answers

Porter County tax assessment search FAQs

What is the official Porter County property assessment search?

Use the Porter County Assessor’s XSoft Engage portal. It provides property location, ownership, owner history, sales information, assessed values and value history, land and improvement information, property record cards, sketches and photographs.

How do I search Porter County property by owner name?

Start with the owner’s last name or a distinctive word from a trust, estate or business name. Add the first name only if there are too many matches, then verify the result using the property address and parcel number.

What is Indiana’s property assessment ratio?

Indiana’s assessment level is 100%. The Department of Local Government Finance describes assessed value as being based on market value-in-use rather than an Ohio-style fractional assessment ratio.

When was Porter County’s 2026 Form 11 mailed and when was the appeal deadline?

Porter County’s Assessor resources state that the January 1, 2026 Form 11 notices were mailed April 28, 2026 and the regular filing deadline was June 15, 2026. As of September 2, 2026, that normal deadline has passed.

What should I do if I missed the Porter County 2026 assessment appeal deadline?

Contact the County or Portage Township Assessor and describe the exact problem before filing anything. A late subjective valuation dispute is different from certain objective errors such as a wrong owner, deduction issue, mathematical error or property-description problem, which can have different procedures.

How do I know if I should call the Portage Township Assessor?

Porter County directs properties in Portage Township taxing districts 015, 016 and 017 to the Portage Township Assessor at 219-759-8221. The taxing district is represented by the last three numbers of the parcel number, and the township also appears on Form 11.

When are Porter County property taxes due in 2026?

The spring installment was due May 11, 2026 because May 10 fell on a Sunday. The fall installment is due November 10, 2026. Tax balances and payments are handled by the Porter County Treasurer.

Where do I find Porter County deeds and recorded land records?

Use the Porter County Recorder. Its record-search page provides Direct Search for basic recording information, Tapestry for occasional paid searches and Laredo for subscription-based frequent searching.

Can storm or flood damage reduce a Porter County assessment?

Potentially. Porter County’s current disaster guidance allows owners of qualifying physically damaged real or personal property to file Form 137R by August 10, 2027 for the August 2026 disaster. An approved adjustment applies to the January 1, 2026 assessment used for taxes payable in 2027, not the taxes currently payable in 2026.

What should I save after finding a Porter County property record?

Save the complete parcel number, physical address, owner display, current and prior assessed values, property record card and any relevant sales or improvement details. The parcel number is especially useful when moving between the Assessor, Auditor, Treasurer, Recorder and GIS systems.

Information checked September 2, 2026: property-search functions, XSoft Advanced Search fields and current-data date, 2026 Form 11 mailing and appeal deadline, Porter County/Portage Township routing, assessment contacts, Indiana’s 100% assessment level, 2026 tax dates, deduction guidance, storm-damage reassessment, business personal-property changes, Recorder search options and office hours were checked against current Porter County and Indiana government sources.
Independent Guide — Legal, Tax & Accuracy Disclaimer: CountyAuditors.org is an independent informational website. It is not the Porter County Assessor, Portage Township Assessor, Porter County Auditor, Treasurer, Recorder, Property Tax Assessment Board of Appeals, Indiana Department of Local Government Finance or another government agency. CountyAuditors.org does not determine assessments, accept tax payments, file appeals, grant deductions, record deeds or establish legal ownership. Property data, appeal rules, deductions, tax balances, deadlines and office procedures can change. Verify any material transaction, filing, tax payment, title question or appeal directly with the responsible public office.
Ohio Auditor Tools · Tax Year 2026

10 Ohio Property Tax Calculators & Auditor Tools

Built specifically for Ohio's 35% assessment ratio, current DTE forms, and 2026 Homestead, Owner-Occupancy, CAUV, Conveyance Fee, and Board of Revision rules. Every number reflects verified Ohio Department of Taxation amounts.

Homestead: $29,000 Enhanced Vet: $58,000 OAGI limit: $41,000 Assessment: 35% of market BOR filing: Free · DTE 1

Annual Tax Bill Estimator

OHIO

Applies Ohio's 35% assessment ratio plus your county's effective millage tier — the actual math your auditor uses.

Pick a county tier and enter your market value.

Homestead Reduction Calculator

DTE 105A

2026 Ohio Homestead: $29,000 general or $58,000 enhanced (100% disabled vet, KIA spouse). OAGI under $41,000 required for non-veteran applicants.

Pick your situation and enter your home value.

Owner-Occupancy & Non-Business Credits

DTE 105C

Every Ohio owner-occupied home qualifies for the 2.5% Owner-Occupancy Credit plus the automatic 10% Non-Business Credit. Most owners don't realize these stack.

Enter your annual tax to see both credit amounts.

Conveyance Fee Calculator

ORC 322

When you sell or transfer Ohio property, the auditor collects $1 state + up to $3 county per $1,000, plus $0.50 per parcel. Counties choose their rate.

Enter sale price and pick your county rate.

CAUV Agricultural Savings

DTE 109

Ohio's Current Agricultural Use Value cuts taxable value dramatically for farmland (10+ acres, or smaller with $2,500+ annual gross income).

Enter both market and CAUV values to see savings.

Mill Rate Converter

Ohio tax rates appear three ways on auditor sites: mills, percent, or dollars per $1,000. Convert between them instantly.

Enter a rate to see all three forms.

Parcel Number Cleaner

Ohio's 88 counties each format parcels differently — Franklin uses 010-123456-00, Cuyahoga uses 001-23-456, Hamilton uses 100-0001-0001-00. Auto-detects.

Paste any Ohio county parcel to format it.

35% Ratio Sanity Check

Ohio law sets taxable value at 35% of market value. If yours is significantly higher, you're a strong BOR appeal candidate.

Enter both values to compare against Ohio's 35% target.

BOR Appeal Savings

DTE 1

A successful Board of Revision complaint typically cuts your value 10–20%. Filing is free and stays in effect until the next reappraisal.

Enter your tax bill and reduction estimate.

BOR Deadline Countdown

MAR 31

Ohio's statutory Board of Revision filing deadline is March 31 for the prior tax year. Miss it and you wait until next year — no extensions.

Set your deadline to start the countdown.

Verify with the official Ohio source

These calculators use the verified 2026 Ohio Department of Taxation amounts and statutory rules. For your exact bill, exemption status, and county-specific deadlines, always confirm with your county auditor and the Ohio Revised Code:

Ohio Dept. of Taxation — Real Property DTE Forms (105A, 105C, 1, 109) ORC 5715 — Board of Revision ORC 5713 — Taxable Real Property ORC 322.02 — Conveyance Fee ORC 319.54(F)(3) — State Fee ORC 5713.30 — CAUV tax.ohio.gov — Main Portal

Estimates use Ohio's 35% statutory assessment ratio and effective tax rate tiers averaged across major Ohio counties. Your actual bill depends on local school levies, voted millage, inside vs. outside millage splits, House Bill 920 reduction factors (HB 920), and special assessments. The 2026 Homestead general amount ($29,000) and enhanced amount ($58,000) reflect HB 187 inflation indexing — your county auditor's office may show slightly different transitional figures. Nothing here is legal or tax advice. CountyAuditors.org is an independent informational directory, not affiliated with any county government.

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