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Updated 2025 Tax Year

Harrison County
Property Tax Guide

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

10 Official Sources
8 min read
Quick Facts
Tax Rate
0.725% effective rate (varies by taxing district combinations including school, fire, library districts)
1st Due
Dec 31
Exemptions
4+ Available
Section 1

How Property Tax Works

Harrison County, Missouri operates under a property tax system that funds essential local services including schools, county government operations, emergency services, and infrastructure maintenance. The county's effective property tax rate for 2025 is approximately 0.725%, though actual rates vary by location within the county due to different combinations of special taxing districts such as school districts, fire protection districts, library districts, and municipal levies.

Property taxes in Harrison County are assessed annually on both real property (land and buildings) and personal property. The county assessor is responsible for locating, classifying, and assessing all taxable property within the county. Harrison County bills and collects its own property taxes, with revenues supporting various county funds including road and bridge maintenance, the Harrison County Lake Fund, 911 emergency services, and law enforcement operations. Property owners should note that tax rates can vary significantly depending on which taxing districts their property falls within.

Section 2

What Makes Up Your Tax Bill

ComponentRateDescription
Base County Levy~0.725%FY 2025 base property tax rate
School DistrictsVariesLocal school district levies (varies by district)
Road & Bridge FundIncludedCounty infrastructure maintenance
Harrison County Lake FundIncludedLake operations and maintenance
911 Emergency ServicesIncludedEmergency dispatch and services
Fire Protection DistrictsVariesDepends on fire district coverage
Library DistrictsVariesWhere applicable within county
Municipal LeviesVariesAdditional city taxes where applicable

Note: The 0.725% rate represents the county-wide base rate for FY 2025. Total effective rates vary by location within Harrison County depending on which special taxing districts apply to each property. Property owners should contact the Harrison County Assessor's office for their specific combined rate.

Section 3

When Are Property Taxes Due?

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

First Installment
Dec 31
Delinquent after Dec 10
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 property taxes in Harrison County are triggered by significant changes to property ownership or improvements that occur after the annual assessment date. Common triggers include new construction, property sales that result in reassessment, major renovations or additions, and changes in property use classification. When supplemental taxes are levied, they represent the difference between the original assessment and the new assessed value, prorated for the remaining portion of the tax year.

For example, if a property owner completes a $50,000 addition to their home in March, the county assessor will reassess the property to reflect the increased value. The supplemental tax would be calculated on the additional assessed value (typically 19% of the improvement value in Missouri) multiplied by the applicable tax rate, then prorated for the remaining months in the tax year. Property owners receive a separate supplemental tax bill in addition to their regular annual property tax statement.

Example Calculation

Example 1: $300,000 Property

  • Market Value: $300,000
  • Assessed Value (19%): $57,000
  • Less: Homestead Credit (if applicable): -$1,200
  • Net Taxable Value: $55,800
  • Annual Tax (0.725%): $404.55
  • Monthly Escrow: $33.71

Example 2: $600,000 Property

  • Market Value: $600,000
  • Assessed Value (19%): $114,000
  • Less: Homestead Credit (if applicable): -$1,200
  • Net Taxable Value: $112,800
  • Annual Tax (0.725%): $817.80
  • Monthly Escrow: $68.15

Example 3: $1,000,000 Property

  • Market Value: $1,000,000
  • Assessed Value (19%): $190,000
  • Less: Available Tax Credits: -$2,000
  • Net Taxable Value: $188,000
  • Annual Tax (0.725%): $1,363.00
  • Monthly Escrow: $113.58

Note: Tax credits shown are examples and require separate applications. Actual rates may vary based on special taxing districts. Contact the Harrison County Assessor for specific credit eligibility and application procedures.

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Section 5

Escrow & Property Taxes

Most mortgage lenders in Harrison County require borrowers to maintain an escrow account for property tax payments, particularly for loans with less than 20% down payment. Lenders collect monthly escrow payments along with principal and interest, then pay property taxes directly to Harrison County when due. The monthly escrow amount is calculated by dividing the annual tax bill by 12, often with a small cushion to account for potential increases.

Property tax bills in Harrison County are issued on December 1st each year, with payments due by February 1st to avoid interest charges. Lenders typically receive tax bills directly and make payments from escrow accounts before the due date. Property owners should verify that their lender has current contact information with the Harrison County Collector's office and review their annual escrow analysis statement to ensure adequate funds are being collected. If escrow accounts become short due to tax increases, lenders may require increased monthly payments or a lump sum payment to cover the shortage.

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 Harrison County for FY 2025? A: Property taxes are due by February 1st without interest. Real property taxes not paid by this date will accrue interest and eventually go to tax sale on the last Monday in August.

Q: What tax credits are available and do they require application? A: Harrison County offers several tax credits including Homestead Credit, Military Exemption, and Business Property Tax Credit. All credits require separate applications and are NOT automatically applied. Contact the Harrison County Assessor's office for application forms and deadlines.

Q: How does the Homestead Credit work? A: The Homestead Credit limits assessment increases for owner-occupied residential properties, typically capping annual assessment growth. This credit requires filing an application with the assessor's office and must be renewed periodically. It does not reduce market value but limits how much your assessed value can increase year-over-year.

Q: When does the county reassess properties? A: Missouri law requires property to be reassessed every odd-numbered year. Property owners who disagree with their assessment can appeal to the Harrison County Board of Equalization during the specified appeal period.

Q: What are the penalties for late payment? A: Interest begins accruing on unpaid taxes after February 1st. Properties with delinquent real estate taxes will be subject to tax sale on the last Monday in August. All real property taxes must be paid by the Friday before the tax sale begins.

Q: Can I pay property taxes online? A: Contact the Harrison County Collector's office directly for current online payment options and accepted payment methods. Payment policies and online systems may vary.

Q: Why do tax rates vary within Harrison County? A: Different areas of the county are served by different combinations of special taxing districts including school districts, fire protection districts, library districts, and municipalities. Your total tax rate depends on which districts serve your property location.

Q: Can I make partial payments on delinquent taxes? A: Partial payments are generally not accepted once real property taxes become delinquent and are scheduled for tax sale. Contact the Harrison County Collector's office immediately if you're facing payment difficulties to discuss available options before the tax sale date.

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