Harrison County Property Tax Appeal, Ohio

Travis Bunn·Updated July 25, 2026

Harrison County is located in eastern Ohio with Cadiz as its county seat. As of 2026, the county has an estimated population of approximately 14,041 residents, making it one of Ohio's smaller, rural counties. With a median home value of $118,000, Harrison County offers significantly more affordable housing than the state median of $173,000. The county's effective property tax rate of 1.04% is below the Ohio state average of 1.22%, and the median annual property tax bill of $1,226 is approximately 49% lower than the national median of $2,400. Property tax appeals matter here because even in this affordable market, approximately 25% of homes nationwide are overassessed, and successful appeals typically reduce values by 10-20%, providing meaningful savings for homeowners on fixed incomes in this rural county.

Notable cities: Cadiz, Scio, Jewett, Freeport, Hopedale, Bowerston

Median Home

$118,000

Tax Rate

1.04%

Annual Tax

$1,226

Population

14,041

On the typical Harrison County home, valued near $118,000 at the county’s effective tax rate of 1.04%, 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.

Ohio law sets a strict filing window of January 1 through March 31 for appeals of the prior tax year. For 2026, you can appeal your 2025 assessment between January 1, 2026 and March 31, 2026 at 11:59 PM EST. Mailed complaints must be received by March 31 unless the envelope bears a USPS postmark of March 31 or earlier. There are no extensions or exceptions to this deadline. The Ohio Revised Code allows one filing per triennial (3-year) period, and dismissed or withdrawn complaints count as an official filing.

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

How Harrison County Assesses Property

35%of market value

Assessed by: Harrison County Auditor's Office

Assessment cycle: triennial

Notices typically mailed: Spring (typically mid-April)

Ohio law requires all property to be assessed at 35% of its true market value. This assessed value is what property taxes are calculated on, not the full market value. For example: if your home's market value is $118,000 (Harrison County's median), at Ohio's 35% assessment ratio your assessed value would be $41,300. At the county's effective tax rate of 1.04%, this results in approximately $429 in annual taxes (before reductions and credits). Understanding this distinction is critical when appealing, you're challenging the market value determination, which then affects the assessed value used for tax calculations.

The Appeal Process

Appeals are heard by the Board of Revision. Hearings are held at the Harrison County Courthouse and last approximately 20 minutes. You will be sworn in, present your evidence, and answer questions from the three-member Board consisting of the County Auditor, County Treasurer, and a County Commissioner. All proceedings are recorded and become public record.

Step 1: Review your property assessment notice (mailed in mid-April) and compare your property's market value to recent sales of comparable homes in Harrison County using the county's online property search tool.

Step 2: Gather supporting evidence including recent comparable sales (within the past 12 months), photographs of property defects or needed repairs, professional appraisals, repair estimates, and documentation of any factors that negatively affect value.

Step 3: Complete DTE Form 1 (for real property) or DTE Form 1M (for manufactured homes) available on the Harrison County Auditor's website at harrisoncountyohio.gov. Read instructions carefully as incomplete forms may be dismissed.

Step 4: File your completed complaint form with all supporting documentation to the Harrison County Auditor between January 1 and March 31. Mail to 100 West Market Street, Cadiz, OH 43907, or deliver in person during office hours (Mon-Fri 8:00 AM-4:00 PM).

Step 5: Attend your Board of Revision hearing at the Harrison County Courthouse, 100 West Market Street, Cadiz, OH 43907. Hearings are approximately 20 minutes and are recorded. Present your evidence clearly and answer questions from the three-member board (County Auditor, Treasurer, and Commissioner).

Step 6: Receive the Board of Revision's written decision. If you disagree with the decision, you have 30 days from the decision date to file DTE Form 4 (Notice of Appeal) with either the Ohio Board of Tax Appeals or the Court of Common Pleas.

Step 7: For further appeals beyond the Board of Tax Appeals, consult with a property tax attorney regarding potential appeal to the Ohio Court of Appeals.

Required form: DTE Form 1 (real property) or DTE Form 1M (manufactured/mobile homes)

Filing Methods

mail:Harrison County Auditor, 100 West Market Street, Cadiz, OH 43907

in-person:Harrison County Auditor's Office, 100 West Market Street, Cadiz, OH 43907. Office hours: Monday-Friday 8:00 AM - 4:00 PM

Evidence to Bring

Recent comparable sales (homes similar in size, age, condition sold within past 12 months in Harrison County)Professional appraisal (if available)Photographs documenting property condition, defects, or needed repairsContractor estimates for necessary repairsRecent purchase price and closing statement (if bought within past 12-24 months)Documentation of factors affecting value (flooding, road noise, structural issues, etc.)

Harrison County Assessor Contact

Harrison County Auditor's Office

Phone: 740-942-8861

Address: 100 West Market Street, Cadiz, OH 43907

Website: https://www.harrisoncountyohio.gov/auditors-office

Hours: Monday-Friday 8:00 AM - 4:00 PM

Tax Exemptions in Harrison County

Homestead Exemption (Senior/Disabled)

$29,000 market value exemption

Reduces the taxable value of your home by exempting $29,000 of market value from taxation (2026 amount, adjusted annually for inflation).

Eligibility: Must be age 65 or older by December 31 of the application year, OR permanently and totally disabled as of January 1 of the application year. Must own and occupy the home as principal residence. Ohio Adjusted Gross Income must be below $40,000 (approximately, for 2026) for the owner and spouse combined. Not income-tested if enrolled prior to 2014.Deadline: December 31, 2026

Enhanced Homestead Exemption (Disabled Veterans)

$58,000 market value exemption (2026 amount)

Provides a larger exemption of $58,000 of market value for qualifying disabled veterans with 100% service-connected disability rating.

Eligibility: Honorably discharged veterans with 100% service-connected disability rating OR veterans receiving 100% disability compensation based on individual unemployability. Must own and occupy home as principal residence. No income limit applies. File using DTE Form 105I.Deadline: December 31, 2026

Enhanced Homestead Exemption (Surviving Spouses)

$58,000 market value exemption

Available to surviving spouses of public service officers (police, firefighters, EMTs) killed in the line of duty.

Eligibility: Surviving spouse of public safety officer killed in line of duty. Must own and occupy home as principal residence. Must not remarry. No income limit applies.Deadline: December 31, 2026

Owner Occupancy Tax Reduction

2.5% reduction on assessed value

Provides an additional 2.5% credit on the assessed value for homeowners who occupy their home as their principal residence.

Eligibility: Must own and occupy your home as principal place of residence on January 1 of the year you file. Only one owner occupancy credit per homeowner and spouse in Ohio. File using DTE Form 105C.Deadline: December 31, 2026

Harrison County Appeal Statistics

Success Rate

10-20% value reduction typical

Harrison County Appeal Packet · $49

Comparable sales evidence, county-specific filing guide, and professional cover letter. Enter your address to get started.

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Frequently Asked Questions

What is the deadline to appeal my property taxes in Harrison County?

The deadline to file a property tax appeal in Harrison County is March 31, 2026, for appealing your 2025 tax year assessment. Ohio law establishes a strict filing window from January 1 through March 31, with no extensions or exceptions. If you mail your appeal, it must be postmarked by March 31 or received by the Harrison County Auditor's office by that date. Missing this deadline means you must wait until the following year to appeal, and you'll continue paying taxes based on the current (potentially incorrect) assessment. Since Ohio allows only one filing per three-year period, timing your appeal correctly is essential.

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

To file a property tax appeal in Harrison County, complete DTE Form 1 (for real property) or DTE Form 1M (for manufactured homes), which are available on the Harrison County Auditor's website at harrisoncountyohio.gov or by calling 740-942-8861. Attach all supporting evidence including comparable sales, photographs, appraisals, and repair estimates. Submit your completed form and evidence to the Harrison County Auditor, 100 West Market Street, Cadiz, OH 43907, either by mail (postmarked by March 31) or in person during office hours (Monday-Friday 8:00 AM-4:00 PM). Harrison County does not currently offer online filing for Board of Revision appeals. Read the form instructions carefully, as incomplete or flawed forms may result in dismissal of your complaint.

What is the homestead exemption worth in Harrison County?

The homestead exemption in Harrison County reduces your property's taxable market value by $29,000 (for 2026, adjusted annually for inflation) for qualifying seniors age 65+ or disabled homeowners with income below approximately $40,000. At Harrison County's effective tax rate of 1.04%, this exemption saves approximately $302 per year in property taxes. Disabled veterans with 100% service-connected disability receive an enhanced exemption of $58,000 in market value reduction, saving approximately $604 annually at the county's rate. These exemptions apply to your principal residence only and require a one-time application with the Harrison County Auditor using DTE Form 105A (seniors/disabled) or DTE Form 105I (disabled veterans) by December 31, 2026.

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

Board of Revision hearings in Harrison County are held at the Harrison County Courthouse, 100 West Market Street, Cadiz, OH 43907, and last approximately 20 minutes. You will be sworn in by the Board, which consists of three elected officials: the County Auditor, County Treasurer, and a County Commissioner. You'll present your evidence explaining why your property's assessed value is too high, using comparable sales, appraisals, photographs, or repair estimates. The Board may ask questions about your property's condition, features, or the comparable sales you've provided. All proceedings are recorded and become public record. After the hearing, the Board will mail you a written decision, typically within several weeks to months depending on their caseload.

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

Successful property tax appeals in Harrison County typically result in a 10-20% reduction in assessed value. For a home at the county's median value of $118,000, a 15% reduction would lower your market value by $17,700, reducing your assessed value by approximately $6,195 (at Ohio's 35% assessment ratio). At Harrison County's effective tax rate of 1.04%, this translates to annual savings of approximately $184, or $552 over a typical three-year assessment period. The exact savings depend on your property's specific overassessment, the strength of your evidence, and the Board of Revision's determination. Since filing is free in Ohio and reductions remain in effect until the next reappraisal, appealing an overassessed property provides excellent value with minimal risk, though school districts may file counter-complaints on large reductions.

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

The most compelling evidence for a Harrison County property tax appeal includes recent comparable sales of similar homes in your area sold within the past 12 months, properties of similar size, age, condition, and location. Include a professional appraisal if you have one, especially if it's recent and shows a value lower than the auditor's assessment. Document any property defects, needed repairs, or adverse conditions with photographs and contractor repair estimates with specific dollar amounts. If you purchased your home recently (within 12-24 months), your closing statement showing the actual sale price is powerful evidence. The Ohio Board of Revision gives significant weight to arm's-length purchase prices and comparable sales data. Organize your evidence clearly with a summary sheet explaining why your property is overvalued compared to the market data you're presenting.

Can I appeal my Harrison County property taxes online?

Harrison County does not currently offer online filing for Board of Revision property tax appeals. You must submit your appeal using paper DTE Form 1 (real property) or DTE Form 1M (manufactured homes) either by mail to Harrison County Auditor, 100 West Market Street, Cadiz, OH 43907, or in person during office hours Monday-Friday 8:00 AM-4:00 PM. While you cannot file online, you can download the necessary forms from the Harrison County Auditor's website at harrisoncountyohio.gov, and you can research comparable property values using the county's online property search tool. To ensure your appeal is received on time, consider mailing it well before the March 31 deadline with delivery confirmation, or delivering it in person to obtain a receipt.

What is Harrison County's assessment ratio and how does it affect my taxes?

Harrison County, like all Ohio counties, assesses property at 35% of true market value as required by the Ohio Constitution. This means if your home's market value is $118,000 (the county median), only $41,300 (35%) is used as the taxable assessed value for calculating your property taxes. The county then applies its millage rate to this assessed value, not the full market value. This is important for appeals because when you challenge your property valuation, you're arguing that the market value is incorrect, which then affects the assessed value. For example, if you successfully reduce your market value from $150,000 to $120,000, your assessed value drops from $52,500 to $42,000, saving you approximately $109 annually at Harrison County's 1.04% effective rate.

Official Resources

Harrison County Auditor Official Website →

Access property search tools, tax forms, assessment information, and contact details for the Harrison County Auditor's Office.

Harrison County Property Tax Appeal Forms →

Download DTE Form 1, DTE Form 1M, and instructions for filing a Board of Revision complaint in Harrison County.

Ohio Department of Taxation - Property Tax Forms →

Access all Ohio property tax forms including homestead exemption applications (DTE 105A, 105C, 105I) and Board of Revision complaint forms.

Ohio Board of Tax Appeals →

File appeals of Board of Revision decisions and access resources for state-level property tax appeals in Ohio.

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.harrisoncountyohio.gov/auditors-office | https://www.harrisoncountyohio.gov/challenge-your-property-value | https://www.rategazetteer.com/ohio/county/harrison-county | https://countyauditors.org/harrison-county-auditor-property-search/ | https://propertytaxrates.org/exemptions/ohio/ | https://www.appealdesk.com/blog/how-to-appeal-property-taxes-in-ohio

Last verified: 2026-07-25