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Updated 2025 Tax Year

Clark County
Property Tax Guide

Everything you need to know about property taxes in Clark County, OH. Rates, due dates, exemptions, and how it affects your monthly payment.

9 Official Sources
8 min read
Quick Facts
Tax Rate
Approximately 30 mills countywide, varies by taxing districts from mid-20s to over 30 mills
Exemptions
5+ Available
Section 1

How Property Tax Works

Clark County, Ohio operates under a comprehensive property tax system that funds essential local services including schools, fire and police protection, libraries, parks, and county operations. Property taxes are the primary revenue source for these vital community services, with collections administered by the Clark County Auditor's office.

The property tax rate in Clark County varies by location within the county due to different combinations of special taxing districts such as school districts, fire districts, library districts, and municipal services. For 2025, the total effective tax rate is approximately 30 mills countywide, though individual properties may see rates ranging from the mid-20s to over 30 mills depending on their specific taxing districts. Property owners should note that their exact tax rate depends on which school district, fire district, library district, and other special taxing jurisdictions serve their property location.

Section 2

What Makes Up Your Tax Bill

ComponentRate (Mills)Description
County General15.15Clark County operations, sheriff, courts, general services
School Districts12-18Varies by district (Springfield, Tecumseh, Northwestern, etc.)
Fire/EMS Districts2-4Emergency services, varies by district
Library Districts1-2Public library services
Municipal Services1-3City/township services where applicable
Total Range25-35 millsActual rate depends on property location

Rates shown are for Tax Year 2025 (payable in 2026). One mill equals $1 per $1,000 of assessed value. Your specific rate may differ based on the combination of taxing districts serving your property. Contact the Clark County Auditor at (937) 521-2010 for your exact millage rate.

Section 3

When Are Property Taxes Due?

For the 2025/2026 tax year in Clark County, property taxes are due in two installments:

Pro tip: If you pay through mortgage escrow, your lender splits these payments across your monthly mortgage. If you pay directly, set calendar reminders to avoid late penalties.
Section 4

Supplemental Tax Bills

Supplemental taxes in Clark County are additional property tax bills issued when there are changes in property ownership, new construction, or improvements that increase a property's assessed value during the tax year. These situations trigger a recalculation of taxes based on the new assessed value and ownership period.

Common triggers include purchasing a home, completing new construction, finishing major renovations, or adding structures like pools or garages. The supplemental tax is calculated by determining the difference between the old and new assessed values, applying the current tax rate, and prorating based on the number of months remaining in the tax year. For example, if you purchase a $400,000 home in Clark County in October and the previous assessed value was $350,000, you would receive a supplemental bill for the $50,000 increase in assessed value, taxed at your district's rate for the remaining three months of the tax year.

Example Calculation

Example 1: $300,000 Home

  • Market Value: $300,000
  • Assessed Value (35% of market): $105,000
  • Less: Homestead Credit (if applied): -$2,500
  • Net Taxable Value: $102,500
  • Annual Tax (30 mills): $3,075
  • Monthly Escrow: $256

Example 2: $600,000 Home

  • Market Value: $600,000
  • Assessed Value (35% of market): $210,000
  • Less: Homestead Credit (if applied): -$2,500
  • Net Taxable Value: $207,500
  • Annual Tax (30 mills): $6,225
  • Monthly Escrow: $519

Example 3: $1,000,000 Home

  • Market Value: $1,000,000
  • Assessed Value (35% of market): $350,000
  • Less: Homestead Credit (if applied): -$2,500
  • Net Taxable Value: $347,500
  • Annual Tax (30 mills): $10,425
  • Monthly Escrow: $869

Tax credits shown require annual application and approval. Actual tax rates vary by specific taxing districts within Clark County.

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Section 5

Escrow & Property Taxes

Most mortgage lenders in Clark County require property tax escrow accounts to ensure timely payment of property taxes. Your lender collects a monthly amount (typically 1/12 of your annual tax bill) along with your mortgage payment and holds these funds in an escrow account. The lender then pays your property taxes directly to Clark County when bills are due.

Property taxes in Clark County are billed annually but payable in two installments. The first half is due February 28, 2026, and the second half is due July 21, 2026 for Tax Year 2025. Your lender will typically pay each installment on time to avoid penalties. You should receive an annual escrow analysis from your lender showing the account balance and any adjustments needed for the coming year. If your property taxes increase due to reassessment or voter-approved levies, your monthly escrow payment may increase accordingly.

How HonestCasa Helps
  • Understand whether your escrow is set correctly
  • See how rising taxes will change your monthly payment
  • Plan ahead instead of being surprised by "shortage" letters
Section 6

Frequently Asked Questions

Q: When are Clark County property taxes due? A: For Tax Year 2025, the first half is due February 28, 2026, and the second half is due July 21, 2026. Late payments incur a 5% penalty from March 1-9 and July 11-21, increasing to 10% penalties thereafter.

Q: What is the Homestead Credit and how do I apply? A: The Homestead Credit is available to Ohio residents age 65+ or those permanently and totally disabled. It limits annual assessment increases to help control tax growth. You must apply annually with the Clark County Auditor by the first Monday in June. This is a tax credit, not an exemption, and requires application - it is not automatic.

Q: How often are properties reassessed in Clark County? A: Ohio law requires counties to conduct property reappraisals every six years with updates every three years. Clark County follows this schedule with the most recent countywide reappraisal determining current assessed values.

Q: Can I appeal my property assessment? A: Yes. Property owners can file assessment appeals with the Clark County Board of Revision if they believe their assessment is incorrect. Appeals must be filed by March 31 following the tax lien date.

Q: Are there other tax credits available? A: Yes, Clark County offers several tax credits including the Disabled Veterans Credit and Owner Occupancy Credit. Most credits require annual application with specific deadlines and documentation. Contact the Clark County Auditor at (937) 521-2010 for eligibility requirements.

Q: Can I pay my property taxes online? A: Yes, Clark County offers online payment options through their official website. Contact the County Treasurer's office for current payment methods and any associated fees.

Q: Why do property tax rates vary within Clark County? A: Tax rates depend on your specific combination of taxing districts including school district, fire district, library district, and municipal services. Properties in different areas are served by different combinations of these districts, resulting in varying total tax rates.

Q: What happens if I don't pay my property taxes? A: Unpaid taxes become delinquent and subject to penalties and interest. Beginning August 1, 2026, delinquent taxes accrue 5.83% annual interest. Continued non-payment can eventually result in tax lien foreclosure proceedings.

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