Defiance County Property Tax Appeal, Ohio

Travis Bunn·Updated July 25, 2026

Defiance County is located in northwest Ohio at the confluence of the Auglaize and Maumee Rivers, with its county seat in the city of Defiance. With a population of approximately 38,300, the county is home to several communities including Hicksville, Ney, and Sherwood. Property tax appeals are particularly important for Defiance County homeowners because the median property tax bill of $1,336 annually is below the national median of $2,400, yet the county's effective rate of 1.23% places it in the middle tier of Ohio's 88 counties. The median home value in Defiance County is significantly lower than both state and national averages, making proper assessment even more critical to avoid overpayment.

Notable cities: Defiance, Hicksville, Sherwood, Ney

Median Home

$108,400

Tax Rate

1.23%

Annual Tax

$1,336

Population

38,300

On the typical Defiance County home, valued near $108,400 at the county’s effective tax rate of 1.23%, an over-assessment of even 10% means you are overpaying year after year until you appeal it. Here is how to find out if yours qualifies.

2026 Appeal Deadline: March 31, 2026

This year's appeal window has passed in most of Ohio. Order now and we re-run your numbers free when the window reopens, so your evidence is ready the day your next notice lands.

Property owners must file complaints with the Board of Revision after the second Monday in January and before March 31st of the tax year following the year being appealed. For tax year 2025 values, the filing window is January 13, 2026 through March 31, 2026. The complaint must be filed with the County Auditor's Office, which serves as the Board of Revision clerk.

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Ohio residential street of family homes. Defiance County appeal guide.

How Defiance County Assesses Property

35%of market value

Assessed by: Defiance County Auditor's Office

Assessment cycle: sexennial (every 6 years with triennial updates)

Notices typically mailed: Spring (typically following reappraisal year)

In Ohio, properties are assessed at 35% of their fair market value for tax calculation purposes. This means if your home has a market value of $108,400 (the county median), your assessed value would be $37,940 ($108,400 × 0.35). At Defiance County's effective tax rate of 1.23%, this results in an annual tax bill of approximately $467 before any exemptions or rollbacks. Defiance County completed a full reappraisal in 2023 and will undergo its next full reappraisal in 2029, with a triennial update scheduled for 2026.

The Appeal Process

Appeals are heard by the Board of Revision. After filing your complaint, the Board of Revision will review the evidence and may schedule an informal hearing. At the hearing, you will present your case to a three-member board consisting of the County Auditor, County Treasurer, and a County Commissioner. The school district may file a counter-complaint seeking a higher valuation, which is common in Ohio.

Step 1: Consider an informal review by contacting the County Auditor's Office at (419) 784-3111 before filing a formal complaint. The Auditor may review your concerns and potentially adjust the value without a formal hearing, though this is not required.

Step 2: Gather evidence to support your appeal, including recent comparable sales of similar properties in your neighborhood (within the last 12 months), photographs showing property condition or defects, repair estimates for any damage or needed work, and a recent independent appraisal if available.

Step 3: Complete DTE Form 1 (Complaint Against the Valuation of Real Property) and file it with the Defiance County Auditor's Office after the second Monday in January but before March 31, 2026. Include your opinion of the property's fair market value and attach all supporting documentation.

Step 4: Attend the Board of Revision hearing if scheduled. You will typically receive notice of the hearing date and will have 5-15 minutes to present your evidence. The Board consists of the County Auditor, County Treasurer, and President of the County Commissioners. Be prepared to explain why your property is overvalued using factual market data.

Step 5: Await the Board of Revision's decision, which will be mailed to you. If you disagree with the decision, you may appeal to the Ohio Board of Tax Appeals within 30 days of the Board of Revision decision.

Step 6: If necessary, further appeal to the Ohio Board of Tax Appeals (BTA) within 30 days of the Board of Revision's decision, or ultimately to Common Pleas Court if the BTA appeal is unsuccessful.

Required form: DTE Form 1 - Complaint Against the Valuation of Real Property

Filing Methods

in-person:Defiance County Auditor's Office, 500 Second Street, Suite 301, Defiance, OH 43512

mail:Defiance County Auditor, 500 Second Street, Suite 301, Defiance, Ohio 43512 (must be received by March 31 unless postmarked by that date)

phone:Call (419) 784-3111 to request forms and filing information

Evidence to Bring

Recent comparable sales (sold within last 12 months, similar size/age/condition)Photographs of property defects or condition issuesIndependent appraisal report (if obtained)Repair estimates or contractor quotes for needed workDocumentation of property characteristics (square footage, lot size, etc.)

Defiance County Assessor Contact

Defiance County Auditor's Office

Phone: (419) 782-1926 (general), (419) 784-3111 (Board of Revision/Real Estate)

Address: 500 Second Street, Suite 301, Defiance, Ohio 43512

Website: https://www.defiance-county.com/auditor/

Online Portal: https://auditor.defiance-county.com

Hours: Monday - Friday, 8:30 AM - 4:30 PM

Tax Exemptions in Defiance County

Homestead Exemption (Senior/Disabled)

$28,000 reduction in market value

Reduces the taxable value of a primary residence for eligible seniors and disabled persons

Eligibility: Homeowners age 65 or older, or permanently and totally disabled at any age, who occupy the home as their principal residence. Must have Ohio adjusted gross income of $40,000 or less (2025 limit) for the applicant and spouse combined.Deadline: December 31st annually (first-time applicants); ongoing renewal required each year

Enhanced Homestead Exemption (Disabled Veterans)

$58,000 reduction in market value (2026 amount, adjusted annually for inflation)

Enhanced property tax exemption for qualifying disabled veterans with no income restrictions

Eligibility: Honorably discharged veterans with a 100% service-connected disability rating or 100% rating based on individual unemployability. Also available to surviving spouses of disabled veterans or emergency responders killed in the line of duty. No income limit applies.Deadline: December 31st (DTE Form 105I)

Owner Occupancy Credit

2.5% rollback on taxes (shown as Owner Occupancy Credit on tax bill)

Automatic tax reduction for owner-occupied residential properties

Eligibility: Property owners who occupy their home as their principal residence on January 1. Applies to the home and one acre of land.Deadline: File with County Auditor if not already receiving (no specific annual deadline once approved)

Current Agricultural Use Value (CAUV)

Varies based on State of Ohio valuation tables

Reduces taxable value for qualifying agricultural land based on production value rather than market value

Eligibility: Properties devoted to commercial agricultural use with crops, animals, or commercial timber on at least 10 acres (or 11 acres with homesite)Deadline: Contact County Auditor at (419) 784-3111 for application

Defiance County Appeal Packet · $49

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Frequently Asked Questions

What is the deadline to appeal my property taxes in Defiance County for 2026?

The deadline to file a property tax appeal in Defiance County is March 31, 2026 for tax year 2025 values. According to Ohio Revised Code Section 5715.19, you must file your complaint with the Board of Revision through the County Auditor's Office after the second Monday in January (January 13, 2026) and before March 31, 2026 at 11:59 PM. If you mail your appeal, it must be received by March 31st unless it bears a U.S. Postal Service postmark of March 31 or earlier. Missing this deadline means you must wait until the following year to appeal, and you'll continue paying taxes based on the current assessment.

How do I file a property tax appeal in Defiance County?

To file a property tax appeal in Defiance County, you must complete DTE Form 1 (Complaint Against the Valuation of Real Property) and submit it to the Defiance County Auditor's Office at 500 Second Street, Suite 301, Defiance, OH 43512. You can obtain the form by calling (419) 784-3111, downloading it from the county website, or picking it up in person. The form requires you to state your opinion of your property's fair market value and explain why you believe the current assessment is incorrect. You should attach supporting evidence such as recent comparable sales, photographs, or an independent appraisal. The appeal can be filed in person, by mail, or you can call the office for guidance on the process.

What is the homestead exemption worth in Defiance County?

In Defiance County, the standard homestead exemption for seniors age 65+ or disabled persons reduces your home's taxable value by $28,000. For example, if your home is valued at $108,400 (the county median), the exemption would reduce the taxable value to $80,400, saving you approximately $345 per year at the current tax rate. Disabled veterans with a 100% service-connected disability rating qualify for an enhanced exemption of $58,000 in market value reduction with no income restrictions, which would save approximately $716 annually on a median-value home. To receive the senior/disabled exemption, you must have an Ohio adjusted gross income of $40,000 or less and file by December 31st with the County Auditor.

What happens at a Board of Revision hearing in Defiance County?

At a Defiance County Board of Revision hearing, you will present your case to a three-member board consisting of the County Auditor, County Treasurer, and President of the County Board of Commissioners. You typically have 5-15 minutes to present your evidence explaining why your property's assessed value should be reduced. You should bring comparable sales data, photographs, appraisals, or repair estimates to support your position. The school district has the right to file a counter-complaint seeking a higher valuation, which is common in Ohio appeals. After hearing all evidence, the Board will issue a written decision either reducing, maintaining, or potentially increasing your property's value. The decision is mailed to you and becomes effective for the current tax year.

How much can I save by appealing my property taxes in Defiance County?

The amount you can save depends on how much your property is overassessed and the strength of your evidence. In Defiance County, with an effective tax rate of 1.23%, every $10,000 reduction in assessed value saves you approximately $43 per year in property taxes (accounting for the 35% assessment ratio). For example, if you successfully reduce your home's market value from $120,000 to $100,000, your annual savings would be approximately $86. National statistics show that about 25% of homes are overassessed by an average of $1,346 per year. If your appeal is successful, the reduced valuation continues until the next reappraisal or update, potentially saving you hundreds of dollars over multiple years.

What evidence do I need for a Defiance County property tax appeal?

For a successful property tax appeal in Defiance County, you need evidence proving your home's market value is lower than the auditor's assessment. The strongest evidence includes recent comparable sales (homes similar to yours in size, age, condition, and location that sold within the past 12 months), showing lower sale prices than your assessed value. You should also include photographs documenting property defects, damage, or deferred maintenance that reduces value. Independent appraisals from licensed appraisers carry significant weight. Repair estimates from contractors for necessary work (foundation issues, roof damage, etc.) help demonstrate reduced value. Property characteristic documentation showing measurement errors or incorrect features in the auditor's records is also valuable. Organize your evidence clearly and submit it with your DTE Form 1 complaint to the Board of Revision.

Can I appeal my Defiance County property taxes if I just bought my home?

Yes, you can appeal your Defiance County property taxes even if you recently purchased your home, and your purchase price can be strong evidence if it's lower than the assessed value. However, the March 31st filing deadline still applies regardless of when you purchased the property. If you bought your home for $95,000 but the county has it assessed at $115,000, your recent arm's-length sale price is compelling evidence that the assessment is too high. You should file DTE Form 1 with the Board of Revision and include your closing statement, purchase contract, and multiple listing service information as evidence. Keep in mind that if your purchase was recent, the assessment may not yet reflect your purchase price, and the auditor may adjust it in the next update cycle.

What is Defiance County's property assessment cycle and when is the next reappraisal?

Defiance County follows Ohio's sexennial (six-year) reappraisal cycle with a triennial (three-year) update in between. The county completed a full reappraisal in 2023, which means property values were thoroughly re-evaluated based on market conditions. A triennial update occurred in 2026, where values are adjusted based on recent market trends without a complete re-inspection of all properties. The next full sexennial reappraisal will occur in 2029, when all properties will be physically re-inspected and revalued. Understanding this cycle is important because appeals are most common and often most successful following reappraisal or update years when values change significantly. Assessment notices are typically mailed in the spring following a reappraisal or update year.

Official Resources

Defiance County Auditor Official Website →

Official county auditor site with forms, property search, tax estimator, and general information about assessments and exemptions.

Defiance County Online Property Search →

Search property records, view assessed values, check tax history, and access the GIS parcel viewer for Defiance County properties.

Ohio Department of Taxation - Property Tax Division →

State-level property tax information including forms, exemption details, reappraisal schedules, and guidance on the appeal process.

Defiance County Homestead Exemption Information →

Detailed information about homestead exemptions including eligibility requirements, application forms, and income limits for Defiance County residents.

For state-wide appeal information including Ohio's assessment ratio and deadlines, see our Ohio Property Tax Appeal Guide →

Considering professional help with your appeal? Compare pricing, coverage, and pros/cons in our Best Property Tax Appeal Services (2026) or browse side-by-side service comparisons →

More Ohio Counties

Adams County (West Union)Allen County (Lima)Ashland County (Ashland)Ashtabula County (Jefferson)Athens County (Athens)Auglaize County (Wapakoneta)

← All Ohio property tax appeal info

Sources: https://www.defiance-county.com/auditor/ | https://www.defiance-county.com/treasurer/tax-collection.php | https://auditor.defiance-county.com/ | https://www.tax-rates.org/ohio/defiance_county_property_tax | https://www.defiance-county.com/auditor/homestead-exemption-program.php | https://tax.ohio.gov/static/real_estate/yearofsexennialreappraisalandupdate-2023-2028.pdf

Last verified: 2026-07-25