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Updated 2025 Tax Year

Marion County
Property Tax Guide

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

8 Official Sources
8 min read
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Quick Facts
Tax Rate
$2.737 per $1,000 assessed value (proposed rate, varies by district)
Exemptions
4+ Available
Section 1

How Property Tax Works

Marion County, Missouri operates under a property tax system that funds essential local services including public schools, county government operations, fire protection, and municipal services. The county's property tax rate for the 2025-2026 levy year is approximately 0.2737 (or $2.737 per $1,000 of assessed value), though this represents a proposed rate subject to final determination. Property taxes are assessed on 19% of the true market value for residential properties, which serves as the assessed value for tax calculations.

Actual tax rates vary significantly by location within Marion County due to special taxing districts including school districts, fire protection districts, municipal boundaries, and other local service areas. Property owners may pay different total rates depending on which combination of taxing jurisdictions serve their specific property. The county assessor determines assessed values, while individual taxing entities set their respective levy rates to fund local services and operations.

Section 2

What Makes Up Your Tax Bill

ComponentRate (per $1,000)Description
County GeneralVariableCounty government operations, roads, law enforcement
School DistrictsVariableLocal public school funding (varies by district)
Fire ProtectionVariableRural fire protection services
MunicipalVariableCity services (where applicable)
Special DistrictsVariableLibraries, ambulance, drainage, other local services
Proposed Total Rate$2.737Combined rate for FY 2025-2026 (varies by location)

Note: The total tax rate of $2.737 per $1,000 of assessed value applies to the 2025-2026 levy year and represents a proposed rate subject to final approval. Individual properties may have different total rates based on their location within various special taxing districts throughout Marion County. Contact the Marion County Assessor's office for your specific property's applicable taxing districts and rates.

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 by changes in property ownership, new construction, or substantial improvements that increase a property's assessed value during the tax year. When these events occur after the annual assessment roll has been completed, the county assessor issues supplemental tax bills to capture the additional tax liability for the remaining portion of the fiscal year.

The supplemental tax is calculated by determining the difference between the new assessed value and the previous assessed value, then applying the applicable tax rate for the remaining months of the fiscal year. For example, if a property improvement adds $50,000 in assessed value in January and the local tax rate is $2.737 per $1,000, the supplemental tax would be approximately $137 ($50,000 ÷ 1,000 × $2.737) prorated for the remaining months of the fiscal year. Supplemental tax bills are typically issued within 30-60 days of the triggering event and become due upon receipt.

Example Calculation

Example 1: $300,000 Home

  • Market Value: $300,000
  • Assessed Value (19%): $57,000
  • Less: Property Tax Credit (if eligible): -$750
  • Net Taxable Value: $56,250
  • Annual Tax ($2.737 rate): $154
  • Monthly Escrow: $13

Example 2: $600,000 Home

  • Market Value: $600,000
  • Assessed Value (19%): $114,000
  • Less: Property Tax Credit (if eligible): -$1,100
  • Net Taxable Value: $112,900
  • Annual Tax ($2.737 rate): $309
  • Monthly Escrow: $26

Example 3: $1,000,000 Home

  • Market Value: $1,000,000
  • Assessed Value (19%): $190,000
  • Less: Property Tax Credit (if eligible): -$1,100
  • Net Taxable Value: $188,900
  • Annual Tax ($2.737 rate): $517
  • Monthly Escrow: $43

Note: Property tax credits shown require annual application and eligibility verification. Credits are not automatically applied and may vary based on income and other qualifying factors.

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Section 5

Escrow & Property Taxes

Most mortgage lenders in Marion County require property tax escrow accounts for borrowers with less than 20% down payment, though some lenders may require escrow regardless of down payment amount. The lender collects monthly escrow payments along with your mortgage payment, typically calculated as your annual property tax bill divided by 12 months, plus a small cushion amount allowed by federal regulations.

Property taxes in Marion County are due semi-annually on May 10 and November 10 each year. Your mortgage servicer will pay these bills directly from your escrow account when they become due. Lenders typically conduct an annual escrow analysis to ensure adequate funds are collected, and any shortage or surplus is adjusted in your monthly payment for the following year. You should receive an annual escrow statement showing all deposits, payments, and account balances, and you have the right to request escrow account information at any time.

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 Marion County? A: Property taxes are due semi-annually on May 10 and November 10 each year for the current fiscal year. Delinquent taxes may lead to foreclosure proceedings after three years of non-payment.

Q: What property tax credits are available and do I need to apply? A: Missouri offers a Property Tax Credit for qualifying senior citizens and 100% disabled individuals, providing up to $750 for renters and $1,100 for homeowners. This credit requires annual application and is not automatically applied to your tax bill.

Q: How does the Homestead Credit work? A: Missouri's assessment limitations for seniors and disabled persons can limit annual assessment increases, but require annual application with the county assessor's office. This credit caps assessment growth rather than reducing current market value.

Q: How often are properties reassessed in Marion County? A: Missouri law requires properties to be reassessed at least every two years, though Marion County may conduct annual reviews of property values based on market conditions and sales data.

Q: What are the penalties for late property tax payments? A: Late payments accrue interest and penalties as specified by Missouri state law. Properties with delinquent taxes for three consecutive years may be subject to foreclosure proceedings.

Q: Can I pay my property taxes online? A: Contact the Marion County Collector's office at the county courthouse for current online payment options and accepted payment methods for property tax bills.

Q: How do special district taxes affect my bill? A: Your total tax rate includes levies from all taxing jurisdictions serving your property, including school districts, fire protection districts, and municipal services. Rates vary by location within the county based on which districts serve your area.

Q: How do I appeal my property assessment? A: Property owners may appeal their assessed value to the Marion County Board of Equalization during the designated appeal period, typically in June. Contact the county assessor's office for specific deadlines and required documentation.

Q: Who do I contact with questions about my property taxes? A: For assessment questions, contact the Marion County Assessor's office. For payment and collection questions, contact the Marion County Collector. Both offices are located at the Marion County Courthouse.

Q: Are there exemptions for veterans or disabled persons? A: Missouri provides various property tax credits and exemptions for qualified veterans and disabled individuals. Contact the Marion County Assessor's office for specific programs, eligibility requirements, and application deadlines, as most require annual applications.

Verified Sources

Backed by 8 Official Government Sources

Every fact in this guide is sourced from official county, state, and federal documents.

01
County
Marion County Assessor's Property Recordsmcasr.co.marion.or.us
02
Board Meeting Minutes August 19, 2025. ...hannibal.lib.mo.us
03
County
Budget Committee Approved Budget - Marion Countyco.marion.or.us
04
Tax Doc
Manufactured, Mobile Home Personal Property Taxesindy.gov
05
County
Tax Foreclosure - Marion County Oregonco.marion.or.us
06
Tax Doc
Property Tax Credit - Missouri Department of Revenuedor.mo.gov
07
Tax Doc
PTAX-341 Application for Returning Veterans' Homestead ...marioncountyil.gov
08
County
MARION COUNTY Extension & 4-h service districtco.marion.or.us
All sources verified as of 2025 Tax Year

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