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Updated 2025 Tax Year

Gallia County
Property Tax Guide

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

10 Official Sources
8 min read
Quick Facts
Tax Rate
Approximately 7.25% effective rate (gross rate before credits), varies by district
Exemptions
5+ Available
Section 1

How Property Tax Works

Gallia County, Ohio operates a property tax system that serves as the primary funding mechanism for local government services, schools, and special districts. Property owners in the county face an effective tax rate of approximately 7.25% for the 2025 tax year, though this represents the gross rate before any applicable tax credits are applied. The actual tax burden varies significantly based on your specific location within the county, as different areas are served by various special taxing districts including school districts, fire departments, library systems, and municipal services.

Property taxes in Gallia County are assessed based on 35% of the property's market value, as determined by the County Auditor's office. The tax system funds essential services such as public education, emergency services, road maintenance, and county operations. It's important to note that your actual tax rate may differ from the county average depending on which special taxing districts serve your property. Most tax credits and exemptions require annual application and are not automatically applied to your tax bill.

Section 2

What Makes Up Your Tax Bill

ComponentEstimated RateDescription
County General1.8 millsBasic county operations and services
School District35-45 millsVaries by school district within county
Township/Municipal2-8 millsLocal government services
Fire/EMS1-3 millsEmergency services (varies by district)
Library0.5-1.5 millsPublic library services
Special AssessmentsVariableBonds, road improvements, other projects
Total Effective Rate~72.5 mills (7.25%)Gross rate before credits

Note: These rates apply to Tax Year 2025 (due in 2026). Actual rates vary by specific taxing districts serving your property. One mill equals $1 per $1,000 of assessed value. Contact the Gallia County Auditor at (740) 446-4612 for your specific district rates.

Section 3

When Are Property Taxes Due?

For the 2025/2026 tax year in Gallia 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 Gallia County are additional property tax bills issued when there are changes to property ownership, value, or classification that occur after the regular assessment date. Common triggers include new construction completion, property sales that reveal significant value changes, or the addition of structures like pools or major improvements. The Ohio Department of Taxation allows counties to issue supplemental assessments when properties are discovered to be significantly under-assessed.

When a supplemental tax is triggered, the County Auditor calculates the difference between what should have been owed and what was actually paid, prorating the amount based on the portion of the tax year affected. For example, if a $50,000 home addition is completed in July, you would owe supplemental taxes on that improvement for half the tax year (July through December). The supplemental bill is calculated using the same tax rate that applies to your regular property tax bill, including all local district levies and special assessments that affect your property.

Example Calculation

Example 1: $300,000 Home

  • Market Value: $300,000
  • Assessed Value (35%): $105,000
  • Homestead Credit Applied: -$2,100 (if qualified and applied)
  • Net Taxable Value: $102,900
  • Annual Tax (7.25% rate): $7,460
  • Monthly Escrow: $622

Example 2: $600,000 Home

  • Market Value: $600,000
  • Assessed Value (35%): $210,000
  • Owner-Occupied Credit: -$4,200 (if qualified and applied)
  • Net Taxable Value: $205,800
  • Annual Tax (7.25% rate): $14,921
  • Monthly Escrow: $1,243

Example 3: $1,000,000 Home

  • Market Value: $1,000,000
  • Assessed Value (35%): $350,000
  • Available Credits Applied: -$6,500 (if qualified and applied)
  • Net Taxable Value: $343,500
  • Annual Tax (7.25% rate): $24,904
  • Monthly Escrow: $2,075

Note: Tax credits shown require annual application and qualification. Actual rates vary by specific taxing districts serving your property.

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Section 5

Escrow & Property Taxes

Most mortgage lenders in Gallia County require property tax escrow accounts for loans with less than 20% down payment. Your lender collects 1/12 of your estimated annual property tax bill each month along with your mortgage payment. The lender typically maintains a cushion of 2-6 months of tax payments in the escrow account to ensure sufficient funds are available when taxes become due. Property taxes in Gallia County are typically due in two installments, and your lender will make these payments directly to the County Treasurer on your behalf.

Each year, your lender conducts an escrow analysis to compare actual tax payments with the amount collected. If your property taxes increase due to reassessment or new levies, your monthly escrow payment will adjust accordingly. You'll receive an annual escrow statement showing all deposits and payments made from your account. If you pay your mortgage off or refinance, you're responsible for making property tax payments directly to the Gallia County Treasurer. Always verify that your lender has made the tax payments on time, as you remain ultimately responsible for ensuring taxes are paid even when using escrow.

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 property taxes due in Gallia County for the 2025 tax year? A: Property taxes are typically due in two installments. The first half is usually due by February 28, 2026, and the second half by July 31, 2026. Contact the Gallia County Treasurer at (740) 446-3210 to confirm exact due dates.

Q: What tax credits are available and do I need to apply? A: Major credits include the Homestead Credit (for seniors 65+ or disabled), Owner-Occupied Credit, and various veteran exemptions. ALL require annual application by December 31 of the tax year. Applications must be filed with the Gallia County Auditor's office and are not automatically applied.

Q: How does the Homestead Credit work? A: The Homestead Credit for qualifying seniors and disabled homeowners caps the increase in assessed value to no more than 10% per year, rather than reducing the actual market value. You must apply annually, and the credit applies only to your primary residence.

Q: How often are properties reassessed in Gallia County? A: Ohio law requires counties to conduct a general reappraisal every six years and an update every three years. Properties may also be reassessed when sold or significantly improved. The next countywide reappraisal is scheduled for 2024.

Q: Can I appeal my property assessment? A: Yes, you can file a complaint with the Gallia County Board of Revision if you believe your assessment is incorrect. The deadline is typically March 31 following the year of assessment. Contact the County Auditor at (740) 446-4612 for appeal forms and procedures.

Q: What penalties apply for late property tax payments? A: Ohio law imposes a penalty of 10% for the first month late, plus 1% for each additional month. Interest also accrues at a rate set annually by the state. Properties with delinquent taxes may eventually face foreclosure proceedings.

Q: Can I pay my property taxes online? A: Contact the Gallia County Treasurer's office at (740) 446-3210 to inquire about online payment options. Many Ohio counties offer online payment systems, though availability and accepted payment methods vary.

Q: Why did my tax bill increase when my neighbors' didn't? A: Tax bills can vary due to individual property improvements, different special taxing districts serving different areas, or eligibility for tax credits that require application. Properties in different school districts or municipal boundaries often have significantly different tax rates even within the same county.

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