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Updated 2025 Tax Year

Marion County
Property Tax Guide

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

10 Official Sources
8 min read
Quick Facts
Tax Rate
Approximately 1% of assessed value (varies by school district and municipality)
Exemptions
5+ Available
Section 1

How Property Tax Works

Marion County, Ohio operates under a property tax system that funds essential local services including schools, fire departments, police protection, libraries, and county operations. Property taxes in Marion County are administered by the County Auditor's office, which prepares the annual General Tax List in accordance with Ohio Department of Taxation procedures. The County Auditor cannot independently raise or lower property taxes - all tax rates are determined by budgetary requests from governmental units as authorized by voter approval.

Effective property tax rates in Marion County typically range around 1% of assessed value, though actual rates vary significantly depending on your specific location within the county due to different combinations of school districts, municipalities, and special taxing districts. Property is assessed at 35% of fair market value as determined by the County Auditor, with reassessments conducted periodically to maintain current market values. Understanding your specific tax district combination is crucial for calculating your actual property tax obligation.

Section 2

What Makes Up Your Tax Bill

ComponentEstimated Rate RangeDescription
County General0.8-1.2 millsBasic county operations and services
School District15-25 millsLocal school district operations and bond payments
Municipal2-8 millsCity/village services (varies by municipality)
Township1-3 millsTownship services (unincorporated areas)
Library0.5-2 millsPublic library funding
Special Districts0.5-5 millsFire districts, park districts, other special assessments

Note: Rates shown are estimates for levy year 2025. One mill equals $1 per $1,000 of assessed value. Your actual tax rate depends on the specific combination of taxing districts where your property is located. The Marion County Treasurer's Office will finalize exact rates for 2025 based on approved budgetary requests from each governmental unit.

Section 3

When Are Property Taxes Due?

For the 2025/2026 tax year in Marion 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 Marion County are triggered when property ownership changes, new construction is completed, or when property improvements add assessable value during the tax year. When these events occur, the County Auditor calculates additional taxes based on the increased assessed value for the remaining portion of the tax year. For example, if you complete a $50,000 home addition in March, you would owe supplemental taxes on that added value from March through the end of the tax year.

The supplemental tax calculation uses the same tax rate as your regular property taxes, applied to the new assessed value (35% of the improvement's fair market value) prorated for the remaining months in the tax year. These supplemental taxes are billed separately from your regular property tax bill and have their own payment schedule as determined by the Treasurer's office.

Example Calculation

Example 1: $300,000 Home Value

  • Fair Market Value: $300,000
  • Assessed Value (35%): $105,000
  • Less: Homestead Exemption: -$29,000 (if qualified, 2025 tax year)
  • Net Taxable Value: $76,000
  • Annual Tax (assuming 25 mills): $1,900
  • Monthly Escrow: $158

Example 2: $600,000 Home Value

  • Fair Market Value: $600,000
  • Assessed Value (35%): $210,000
  • Less: Homestead Exemption: -$29,000 (if qualified)
  • Net Taxable Value: $181,000
  • Annual Tax (assuming 25 mills): $4,525
  • Monthly Escrow: $377

Example 3: $1,000,000 Home Value

  • Fair Market Value: $1,000,000
  • Assessed Value (35%): $350,000
  • Less: Homestead Exemption: -$29,000 (if qualified)
  • Net Taxable Value: $321,000
  • Annual Tax (assuming 25 mills): $8,025
  • Monthly Escrow: $669

Note: Homestead Exemption requires annual application and qualification. Tax rates vary by location within Marion County based on your specific taxing districts.

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Section 5

Escrow & Property Taxes

Most mortgage lenders in Marion County require property tax escrow accounts to ensure timely payment of property taxes. Your lender collects monthly payments equal to 1/12th of your estimated annual property tax bill, plus a small cushion as allowed by federal regulations. The lender holds these funds in an escrow account and pays your property taxes directly to Marion County when due.

Marion County property taxes are paid in two installments: the first half is due February 5th, and the second half is due June 20th. Your mortgage servicer will typically pay these bills on your behalf before the due dates. Lenders are required to provide an annual escrow analysis showing how your escrow funds were used and any adjustments needed for the coming year. If your property taxes increase due to reassessment or new levies, your monthly escrow payment will be adjusted accordingly, usually with 60 days notice from your lender.

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 Marion County property taxes due for the current tax year? A: Property taxes are paid in two installments - first half due February 5th and second half due June 20th. These dates apply to taxes for the current levy year.

Q: What tax credits are available and how do I apply? A: The Homestead Exemption is available for qualified seniors (65+) or permanently disabled citizens, exempting up to $29,000 of assessed value for tax year 2025. Disabled veterans with 100% service-connected disability receive up to $58,000 exemption. Applications must be filed with the County Auditor's office and require annual qualification.

Q: How does the Homestead credit work? A: The Homestead Exemption reduces your assessed value by up to $29,000, not your market value. For example, a home assessed at $100,000 would be taxed as if valued at $71,000. This requires annual application and income/age qualification - it is not automatic.

Q: What is the Supplemental Rollback? A: This provides an additional 2.5% property tax reduction on a homeowner's primary residence. Each property owner is eligible to receive this reduction, which is applied to your tax bill.

Q: How often are properties reassessed in Marion County? A: The County Auditor conducts periodic reassessments to keep property values current with market conditions. Property owners receive notice of value changes and have appeal rights through the Board of Revision.

Q: What are the penalties for late property tax payments? A: Late payments incur penalties and interest as specified by Ohio law. Contact the Marion County Treasurer's office for specific penalty rates and payment options.

Q: Can I pay my property taxes online? A: Check with the Marion County Treasurer's office for available online payment options and accepted payment methods.

Q: Why do property taxes vary within Marion County? A: Tax rates depend on your specific combination of taxing districts - school district, municipality/township, library district, and any special districts like fire or park districts. Each has its own voter-approved tax levies.

Q: Who do I contact to apply for tax credits or exemptions? A: Contact the Marion County Auditor's office for Homestead Exemption applications and information about other available programs. Applications typically have specific deadlines and qualification requirements.

Q: What triggers supplemental tax bills? A: New construction, property improvements, or ownership changes during the tax year can trigger supplemental taxes on the added value for the remaining portion of the tax year.

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