Darke County Auditor, OH: Property Search, Records (2026)

Find Darke County Property Records, Parcel Maps, Tax Information and Auditor Services

Looking up a home in Greenville, checking farmland in a Darke County township, or trying to understand a property tax bill? You can handle most of the research online before contacting the courthouse.

The Darke County Auditor maintains real estate valuation and parcel-related information. The county’s combined Auditor and Treasurer website lets you search property records, review parcel maps, explore sales and tax reports, estimate taxes and find useful forms.

This guide explains what to search, which office handles each request, how to read important property information and what to prepare for exemptions, appeals or property transfers.

These links lead directly to the county’s official real estate system. No account is normally required to begin a public property search.

County Auditor
Carol Ginn
Main Telephone
937-547-7310
Real Estate Department
937-547-7308
Office Location
504 S Broadway, Greenville, OH 45331
Office Hours
Monday–Friday, 8 AM–4 PM
Property Tax Billing
Treasurer: 937-547-7365

Understanding Your Darke County Parcel Record

Finding the right property is only the first step. The next challenge is understanding what the numbers mean.

Record Detail What It Means Why It Matters
Parcel Number The county’s identifier for a specific tax parcel. Useful for maps, forms, tax bills and county correspondence.
Owner Name The owner shown in county property data. Helps identify the parcel; use the Recorder for legal deed verification.
Land Value The county’s appraised value attributed to land. Part of the property’s overall taxable valuation.
Building Value Appraised value attributed to qualifying improvements. May change following additions, demolition or reappraisal.
Assessed Value The value used in Ohio’s property taxation system after the applicable assessment percentage. A major input in property tax calculation.
Tax District The combination of local taxing jurisdictions applicable to the parcel. Affects the applicable tax rates and levies.
Sales History Reported property transfer and sale information. Useful for research, but not every transfer represents an open-market sale.

For typical Ohio real property, taxable assessed value is generally 35% of appraised value. For example, a property appraised at $200,000 would generally have an assessed value of $70,000 before applicable adjustments. This is not the annual tax bill. Tax rates, credits, reductions and assessments also affect what is owed.

Check the specific parcel’s tax details instead of estimating your annual bill from market value alone.

Darke County GIS Map and Parcel Boundary Search

Darke County’s official map is useful for locating parcels visually, especially in rural areas where a farm or vacant lot may not have a familiar mailing address.

Official map: Darke County GIS Parcel Map.

  1. Open the GIS map.

    Use the official county map page and allow the map to load.

  2. Locate the property.

    Use available map search controls or navigate using the roads, nearby parcels and general location.

  3. Inspect the parcel.

    Select the relevant property where the map provides parcel information. Note the parcel number and location.

  4. Cross-check the property record.

    Open the property search and compare ownership, acreage and other available details.

When GIS is most useful

Locating rural land, checking neighboring parcels, reviewing road access visually, researching agricultural properties and identifying parcels near known landmarks.

What GIS cannot prove

Exact property boundaries, legal access rights, easements, fence positions or surveyed acreage. GIS parcel lines are reference data, not a substitute for a boundary survey.

If you are considering buying land, building a fence or resolving a boundary disagreement, compare the map with recorded deeds and consult a qualified surveyor when necessary.

Darke County Property Taxes, Tax Estimator and Payment Information

Darke County operates a combined Auditor and Treasurer real estate website, but the two offices have different responsibilities.

The Auditor is responsible for property valuation and related tax-record functions. The Treasurer handles property tax billing, collection and payment questions.

How to check property tax information

  1. Search the property.

    Open Darke County Property Search.

  2. Find the matching parcel.

    Use the parcel number, owner name or address.

  3. Review the parcel’s tax information.

    Look for tax-year details, charges, credits, special assessments, payments or balances where displayed.

  4. Confirm current payment status.

    Use the county’s official payment tools where available, or contact the Treasurer at 937-547-7365.

Use the property tax estimator

The official real estate website includes a Tax Estimator under its calculators section.

  1. Open darkecountyrealestate.org.

    Locate the calculators section near the top of the page.

  2. Select Tax Estimator.

    Enter the property and valuation information requested by the county tool.

  3. Review the estimate.

    Check the tax district, value assumptions and any credits the estimate does or does not include.

  4. Compare with the official tax bill.

    The estimator is useful for planning, but an actual Treasurer bill or account record controls the amount due.

Tax payment deadlines

Ohio property taxes are commonly collected in installments, and the current deadline must be confirmed with the county Treasurer. Do not assume the same calendar date applies each year.

For example, the Darke County portal announced an August 14, 2026 due date for second-half 2025 real estate tax bills. That is a historical billing deadline, not a universal deadline for future installments.

For the next applicable due date, open the official county tax portal and review its current notices or contact the Treasurer.

Delinquent property taxes

The portal also offers a Delinquency Report. This can help with public research, but downloaded delinquency data may not reflect a payment posted after the report was produced.

To investigate delinquency, locate the parcel, review the county report, and then confirm any outstanding amount with the Treasurer before making a purchase or other financial decision.

HB 186 notice: The county’s 2026 real estate portal includes information about an HB 186 property tax credit. Read the official county notice for the credit’s provisions. Do not assume every property receives the same reduction.

Property Valuation, Reappraisal and Sales Comparisons

Property value affects tax calculations, but it is not identical to the amount of tax you pay. Understanding the difference is especially helpful when you receive a valuation notice or notice a higher bill.

Ohio counties generally perform a full real estate reappraisal every six years, with a value update in the third year between full reappraisals.

The Auditor’s appraisal work may consider market sales, property characteristics, construction costs, location and other valuation evidence.

How to investigate a property value

  1. Open your parcel record.

    Check the current appraised value and property characteristics.

  2. Check the physical details.

    Compare reported land area, living area, building characteristics and improvements with the actual property.

  3. Review relevant sales.

    On the county portal, use Sales Report or Sales List to research comparable transactions.

  4. Compare similar properties.

    Consider location, property type, acreage, square footage, age, condition and sale date. A nearby sale is not necessarily a good comparison.

  5. Contact the Real Estate Department.

    Call 937-547-7308 to discuss factual record errors or how to request a formal valuation review.

For example, comparing a renovated Greenville home with a smaller property requiring major repairs may give a misleading result even if both sold on the same street.

Useful evidence includes recent comparable sales, dated photographs, an independent appraisal, purchase documents and itemized estimates for significant property defects.

Darke County Homestead Exemption and Owner-Occupancy Tax Reduction

Homeowners sometimes miss tax reductions simply because they do not know which application to complete. The Auditor provides several forms covering Homestead Exemption, disability-related benefits and owner occupancy.

Homestead Exemption: who may qualify?

Ohio’s Homestead Exemption can reduce qualifying property taxes for certain homeowners, including eligible older adults, people with qualifying permanent and total disabilities, disabled veterans and some surviving spouses.

The rules depend on the applicant’s category. Income limitations apply to many standard applicants, while certain special categories have different qualifications. The applicable income limit can change by tax year.

Generally, the home must be the applicant’s principal residence, and ownership and occupancy requirements must be met.

How to apply

  1. Choose the correct application.

    Open the official county forms page.

  2. Find DTE 105A.

    This is the standard Homestead Exemption application. Special circumstances may require another form.

  3. Prepare the required information.

    Have your name, property address, parcel details, eligibility information and supporting evidence ready.

  4. Complete the application accurately.

    Disability applicants may also need DTE 105E or other supporting documents. Veterans and surviving spouses should check the appropriate category-specific application.

  5. Submit it to the Darke County Auditor.

    Confirm the applicable filing deadline and submission method with the Real Estate Department.

Common Homestead forms

Form Purpose
DTE 105A Standard Homestead Exemption application.
DTE 105B Continuing Homestead Exemption application.
DTE 105E Certificate of disability for qualifying applicants.
DTE 105G Addendum used in applicable Homestead circumstances, including certain prior qualifications.
DTE 105I Application for qualifying disabled veterans and surviving spouses.

Owner-occupancy 2.5% tax reduction

The owner-occupancy reduction is separate from the Homestead Exemption. It concerns qualifying owner-occupied residences and is generally associated with a 2.5% reduction of eligible property taxes, subject to Ohio law and applicable tax-year rules.

The county provides DTE 105C for the owner-occupied residence reduction.

To investigate eligibility, check that the home is your principal residence, review the form instructions and ask the Auditor whether the reduction already appears on the parcel account. Existing credits and newer statutory restrictions can affect eligibility.

Owner-occupancy questions: 937-547-7311.

Darke County CAUV: Agricultural Land Tax Valuation

For farmers and agricultural landowners, Current Agricultural Use Value (CAUV) is one of the most important county auditor programs.

CAUV allows eligible agricultural land to be valued for property taxation based on agricultural use rather than ordinary development or market potential. The benefit applies to qualifying land, not automatically to every building or residence on a farm.

Basic eligibility requirements

Darke County’s official guidance explains that qualifying land generally must have been devoted to agricultural use for the preceding three calendar years and satisfy applicable statutory requirements.

  • Land totaling at least 10 acres devoted to qualifying agricultural use may qualify.
  • Land below 10 acres may qualify when the required agricultural income threshold is satisfied, generally involving an average annual gross income of at least $2,500 or qualifying anticipated income.
  • Some land in qualifying federal conservation or land-retirement programs can also satisfy agricultural-use requirements.

Eligibility depends on actual land use and program conditions, not simply whether the land is located in a rural township.

How to apply for CAUV

  1. Review the land’s agricultural history.

    Check that the acreage, use and income or conservation-program requirements are satisfied.

  2. Download DTE 109.

    Find the Initial Application for Valuation of Land at Its Current Agricultural Use on the county forms page.

  3. Identify the parcels.

    Use the property search to verify parcel numbers and acreage for the agricultural land involved.

  4. Complete the agricultural-use information.

    Follow the form instructions and retain records supporting acreage, farm use, income or relevant conservation participation.

  5. File with the Auditor.

    Confirm the current CAUV application period and filing requirements before submitting the completed paperwork.

What happens when agricultural use ends?

Converting CAUV land to nonqualifying use can trigger recoupment charges. The county explains that recoupment generally relates to tax savings on converted land over the preceding three years.

Before selling farmland for development, changing its use or dividing a parcel, ask the Auditor how the proposed transaction may affect CAUV enrollment and recoupment.

The county’s forms library also provides CAUV valuation tables, including historical 2020–2022 and 2023–2025 tables. Check for the relevant current table rather than using an older valuation period.

CAUV assistance: Contact Darke County Real Estate at 937-547-7308. For an agricultural district application, the county also provides Form 11, which is a separate program from CAUV.

How to Appeal Your Darke County Property Value

If you believe the Auditor’s appraised value is incorrect, the Darke County Board of Revision provides a formal process to challenge qualifying valuations.

A value appeal is not the same as disputing an individual tax levy or simply asking for a lower tax bill. The Board evaluates valuation evidence under the applicable Ohio rules.

Steps to file a valuation complaint

  1. Review the parcel’s current value.

    Find the correct property record and identify the value being challenged.

  2. Collect valuation evidence.

    Useful evidence may include independent appraisals, relevant comparable sales, closing statements, photos or itemized repair estimates.

  3. Download DTE 1.

    Visit official forms and find “Complaint Against the Valuation of Real Property.” Review the county’s Board of Revision rules as well.

  4. Complete the form.

    Identify the correct parcel, state the value you seek and follow the instructions about signatures, supporting evidence and other required information.

  5. Submit by the applicable deadline.

    The county’s Board of Revision guidance identifies the usual filing period as January 1 through March 31. Verify the year-specific deadline and any special filing provisions before submitting.

  6. Prepare for the Board’s review.

    Retain copies and be ready to explain the evidence supporting your requested value.

The county’s guidance states there is no filing fee for a Board of Revision complaint. Manufactured-home valuation complaints use a separate form, DTE 1M.

Ohio generally restricts repeat valuation complaints on the same parcel within a triennial period, subject to statutory exceptions. Check the current rules before filing if the parcel has been challenged previously.

Where to file: Darke County Auditor, 504 S Broadway, Courthouse First Floor, Greenville, OH 45331.

Practical advice: If the issue is a wrong building area, missing demolition or incorrect property characteristic, first contact the Real Estate Department. If you are formally contesting market value, prepare actual valuation evidence rather than relying only on an increase in your tax bill.

Deed Transfers, Conveyance Fees and Darke County Recorder Records

Property ownership transfers involve more than searching the Auditor’s website. The Auditor, Map Office and Recorder perform different steps in the local conveyance process.

Typical property transfer sequence

  1. Prepare the deed or legal instrument.

    Make sure the legal description, grantor/grantee information and parcel identification are correct. County staff cannot choose or draft legal instruments for you.

  2. Visit the Darke County Map Office.

    The county’s published procedure directs property transfers through the Map Office for the required review.

  3. Complete the conveyance form.

    Use DTE 100 for applicable taxable transfers or the appropriate DTE 100EX form when a statutory exemption is claimed.

  4. Present the paperwork to the Auditor.

    Pay any applicable conveyance and parcel-transfer charges and obtain the necessary transfer processing.

  5. Record the deed with the Recorder.

    After the preceding requirements are satisfied, submit the instrument for recording and pay the Recorder’s applicable fee.

Published Darke County conveyance fees

Fee Type Published Amount Example
Conveyance Fee $3 per $1,000 of applicable consideration $450 for a $150,000 taxable transfer.
Parcel Transfer Fee $0.50 per parcel $1 for two parcels.
Recorder Fee Depends on the document and current recording schedule Confirm directly with the Recorder.

These are the county’s published conveyance charges. Exempt transfers and special circumstances may have different requirements. Confirm all fees before a closing.

Conveyance questions: 937-547-7307.

Recorder: 937-547-7390. The official real estate homepage provides a Recorder’s Office Record Search link for deed and land-document research.

Which records should you check?

Auditor parcel records

Ownership data, parcel identification, appraisal values, property characteristics and related tax information.

Recorder land records

Recorded deeds, mortgages, releases, liens and other recorded instruments. For legal ownership research, these documents are essential.

Searching the Auditor’s ownership field alone is not a complete title or lien search.

Darke County Dog Licenses and Other Auditor Licensing Services

The Auditor also handles licensing responsibilities beyond real estate. Dog licensing is one of the most frequently used services.

Dog license requirements

Ohio generally requires dogs older than three months to be licensed. Newly acquired dogs must be licensed within the legally required period, and annual licenses are generally renewed during the December 1 through January 31 renewal window.

The county offers annual, three-year and permanent licensing options, subject to the applicable requirements. Kennel licenses have separate rules.

How to obtain or renew a dog license

  1. Open the official real estate homepage.

    Go to darkecountyrealestate.org.

  2. Select Pay Your Dog License.

    The county links to its authorized dog-license transaction service.

  3. Choose the correct license.

    Follow the instructions for a new license, renewal or another available transaction.

  4. Provide owner and dog information.

    Check spelling, address, licensing term and any required supporting details.

  5. Review the current fee.

    Confirm the applicable license amount, processing charges and possible late penalties before completing payment.

The county’s general-information material published a 2025 annual individual dog license fee of $22, with $66 for three years and $220 for a permanent license. Those amounts are historical, not a verified 2026–2027 price schedule. Always use the current official checkout or contact the Auditor for the latest fee.

The published guidance also explains that late licensing can result in a penalty equal to the license fee.

Licenses may also be available through the Auditor’s Office or the Darke County Animal Shelter. Contact the shelter at 937-547-1645 for current purchase options and kennel-license requirements.

Other licensing and administrative duties

County auditor responsibilities may include vendor-related licenses, cigarette licenses, scrap-yard licensing and fiscal administration. Requirements differ by license category.

For a business license request, explain the type of activity to the Auditor before visiting. Some transactions require additional state applications, inspections or separate agencies.

Darke County Auditor Forms, PDFs and Useful Documents

The county’s official forms library is a useful resource for homeowners, farmland owners, property buyers, businesses and people challenging property values.

Official forms library: Darke County Downloadable Forms.

Your Task Relevant Form or Document What to Check
Challenge a real property value DTE 1 Board of Revision filing rules and valuation evidence.
Transfer taxable real estate DTE 100 Consideration, property details and conveyance information.
Claim a conveyance exemption DTE 100EX Whether the particular transfer meets a legal exemption.
Transfer a manufactured home DTE 100M / 100MEX Applicable manufactured-home conveyance requirements.
Apply for Homestead Exemption DTE 105A Eligibility, principal residence, income and supporting documents.
Claim owner-occupancy reduction DTE 105C Principal residence and applicable eligibility rules.
Enroll qualifying farmland in CAUV DTE 109 Agricultural use, acreage, income and application timing.
Apply for an agricultural district Form 11 Agricultural district requirements, separate from CAUV.
Seek relief for destroyed or damaged property DTE 26 Qualifying damage, tax-year rules and evidence.
Research historical tax rates County tax-rate PDFs Select the correct tax year and taxing district.

To use the library, open the page, find the relevant section, choose the form title and read its instructions before entering information. Older PDF copies from search engines may not reflect the currently accepted version.

For real estate exemptions, damaged property claims, agricultural applications and appeal documents, deadlines and supporting evidence are particularly important.

Manufactured-home questions

Manufactured homes can have special tax and conveyance procedures. The county provides separate forms for manufactured-home conveyance and valuation complaints.

When transferring a manufactured home, check whether the home is taxed and titled as a manufactured home or has been converted to real property. Do not assume a conventional house conveyance procedure applies.

Public records requests

The forms library also includes the Darke County public records policy and public records request materials. If a particular public record is not available through parcel search, check these documents or contact the county office responsible for that record.

Darke County Auditor Address, Telephone, Hours and Directions

The Auditor’s Office is located on the first floor of the Darke County Courthouse in Greenville.

Contact Official Information
County Auditor Carol Ginn
Address 504 S Broadway, Courthouse First Floor, Greenville, OH 45331
Main Auditor Phone 937-547-7310
Real Estate 937-547-7308
Conveyance Questions 937-547-7307
Auditor Fax 937-547-2500
Office Hours Monday–Friday, 8:00 AM–4:00 PM, excluding applicable closures
Treasurer Scott J. Zumbrink; 937-547-7365
Recorder 937-547-7390

View Darke County Courthouse directions on Google Maps.

What to bring when visiting

  • Your property address or parcel number.
  • A completed application if you are filing a form.
  • Identification and any eligibility documents required for your specific request.
  • Comparable sales, appraisal evidence or photographs for property valuation questions.
  • Relevant deed and conveyance paperwork for a real estate transfer.
  • Your tax bill when discussing a payment, credit or tax-account issue.

Call ahead if your request involves a deed transfer, deadline-sensitive filing or specialized document review. Doing so can prevent an unnecessary second trip.

Which Darke County Office Should You Contact?

Many residents start with the Auditor even when another office is responsible for the final transaction. This guide can help you reach the correct place the first time.

What You Need Correct Starting Point
Property owner, parcel number or value Darke County Auditor property search.
Property location and approximate parcel lines Darke County GIS Map.
Property tax bill, balance or payment Darke County Treasurer.
Deed, mortgage or recorded lien Darke County Recorder.
Boundary survey Qualified land surveyor; county records may help with background information.
Value complaint Auditor / Board of Revision.
Homestead or CAUV application Darke County Auditor.
Dog license Auditor’s authorized license service or Animal Shelter.
Zoning or building rules Applicable township, zoning authority or county building department.

Related Ohio county auditor guides

Researching property near a county boundary? The records are maintained separately by each Ohio county. For neighboring property research, see the Preble County Auditor property guide. You can also use the Ohio county auditor guide directory to locate information for another county.

If you are uncertain which county contains a rural property, verify its actual jurisdiction before searching county parcel records. A mailing-city name does not always identify the taxing county.

Darke County Auditor: 10 Frequently Asked Questions

1. How do I search Darke County property records online?

Open Darke County’s official property search. Search by owner name, parcel number or address. Open the matching parcel and confirm its location, identification number and property details.

2. Can I search Darke County properties by owner name?

Yes. The official advanced search has an Owner Name field using last-name-first formatting. If a search fails, try fewer name details or search by parcel number or property address.

3. Where can I find Darke County GIS parcel maps?

Use the official Darke County Map. It helps locate properties and nearby parcels. Parcel boundaries displayed on the map are not a substitute for a legal survey.

4. What is the Darke County Auditor phone number?

The main Auditor number is 937-547-7310. For real estate and property-record questions, call 937-547-7308.

5. Where is the Darke County Auditor located?

The office is at 504 S Broadway, Courthouse First Floor, Greenville, Ohio 45331. Published regular hours are Monday through Friday, 8:00 AM to 4:00 PM. Confirm closures before visiting.

6. How can I find my Darke County property tax bill?

Search the parcel in the county’s real estate portal and review the available tax-account information. For a current balance, due date, payment or receipt question, contact the Treasurer at 937-547-7365.

7. How do I apply for the Homestead Exemption in Darke County?

Find the appropriate Homestead form, commonly DTE 105A, on the county forms page. Review eligibility, complete the required information and submit it to the Auditor within the applicable filing period. Special categories may require additional documents.

8. How can I appeal my Darke County property valuation?

Review your parcel value, gather relevant valuation evidence and obtain DTE 1 with the Board of Revision instructions. The county identifies January 1 through March 31 as the ordinary filing period. Confirm the applicable deadline and rules for your tax year before filing.

9. Where can I search Darke County deeds and mortgages?

Use the Darke County Recorder’s official records system. The county real estate homepage links to the Recorder search. For help with recorded land documents, call 937-547-7390.

10. How do I apply for Darke County CAUV or renew a dog license?

For CAUV, review eligibility and find DTE 109 through the Auditor’s forms library. For a dog license, use the official county homepage’s Pay Your Dog License link or contact the Auditor. Verify the current application period, license fees and eligibility rules before submitting.

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