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Updated 2025 Tax Year

Greene County
Property Tax Guide

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

9 Official Sources
8 min read
Quick Facts
Tax Rate
$69.46 per $1,000 assessed value (countywide average, varies by district)
1st Due
Sep 30
2nd Due
Mar 31
Exemptions
5+ Available
Section 1

How Property Tax Works

Greene County, Iowa operates on a property tax system that funds essential county services, schools, and various special districts throughout the community. Property taxes are the primary revenue source for local government operations, supporting everything from road maintenance and public safety to educational services and library operations. The county's effective tax rate for FY 2025-2026 is projected to be approximately $69.46 per $1,000 of assessed value, though this represents a countywide average.

Actual property tax rates vary significantly by location within Greene County due to the presence of different school districts, city boundaries, and special taxing districts such as library districts, drainage districts, and community development areas. Property owners should expect their specific tax rate to differ from the county average based on which combination of taxing jurisdictions their property falls within. The county assessor determines property values based on market conditions, with assessments reflecting fair market value as of January 1st each year.

Section 2

What Makes Up Your Tax Bill

ComponentRate RangeDescription
County General Services~$5.70-$6.50Basic county operations, roads, public safety
School Districts~$30.00-$40.00Varies by school district boundaries
Municipal Levies~$8.00-$15.00City services (if within city limits)
Debt Service~$3.00-$8.00Bond payments for infrastructure projects
Library Districts~$0.50-$1.00Public library services
Community Development~$0.10-$0.50Economic development initiatives
Agricultural Extension~$0.204-H programs and agricultural education
Total Effective Rate~$69.46Per $1,000 assessed value (FY 2025-2026)

Note: These rates apply to the FY 2025-2026 levy year and represent estimates. Actual rates vary by specific location within Greene County based on which taxing districts apply to your property.

Section 3

When Are Property Taxes Due?

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

First Installment
Sep 30
Delinquent after Dec 10
Second Installment
Mar 31
Delinquent after Apr 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 taxes in Greene County are additional property tax assessments that occur when there are significant changes to a property during the tax year. The most common triggers include new construction completion, major improvements or additions, change of ownership that reveals unreported improvements, or removal of agricultural exemptions when land use changes from farming to residential or commercial purposes.

Supplemental taxes are calculated by applying the current year's tax rate to the difference between the property's previous assessed value and its new assessed value. For example, if you complete a $100,000 home addition mid-year, and the county's effective rate is $69.46 per $1,000, you would owe approximately $6,946 in supplemental taxes for that improvement, prorated from the date the improvement was completed. These supplemental bills are typically issued within 30-60 days of the assessment change and have separate due dates from your regular property tax installments.

Example Calculation

Example 1: $300,000 Home

  • Assessed Value: $300,000
  • Homestead Credit Applied: -$4,850 (if qualified and applied)
  • Net Taxable Value: $295,150
  • Annual Tax ($69.46 rate): $2,050
  • Monthly Escrow: $171

Example 2: $600,000 Home

  • Assessed Value: $600,000
  • Homestead Credit Applied: -$4,850 (if qualified and applied)
  • Net Taxable Value: $595,150
  • Annual Tax ($69.46 rate): $4,135
  • Monthly Escrow: $345

Example 3: $1,000,000 Home

  • Assessed Value: $1,000,000
  • Military Exemption: -$1,852 (if qualified veteran and applied)
  • Homestead Credit Applied: -$4,850 (if qualified and applied)
  • Net Taxable Value: $993,298
  • Annual Tax ($69.46 rate): $6,901
  • Monthly Escrow: $575

Note: Credits shown require separate applications and qualification. Homestead Credit caps assessment increases rather than reducing market value.

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Section 5

Escrow & Property Taxes

Most mortgage lenders in Greene County require property tax escrow accounts for loans with less than 20% down payment. Your lender collects approximately 1/12th of your estimated annual property tax bill with each monthly mortgage payment, depositing these funds into an escrow account. The lender then pays your property taxes directly to Greene County when they become due, typically in two installments during the fiscal year.

Lenders must provide annual escrow statements showing collections, payments, and account balances, usually analyzing the account each year to adjust monthly payments based on actual tax bills and assessment changes. If your property taxes increase due to reassessment or rate changes, expect your monthly mortgage payment to adjust accordingly. Property owners can verify escrow payments by checking with the Greene County Treasurer's office at (515) 386-5680 or through the county website at www.greenecounty.iowa.gov. Some lenders may allow you to waive escrow if you have significant equity, but you'll then be responsible for making direct payments to the county by the due dates.

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 Greene County property taxes due for FY 2025-2026? A: Property taxes are due in two installments - the first half between September 1st and September 30th, and the second half between March 1st and March 31st. Payments received after these dates incur penalty and interest charges.

Q: What tax credits are available and how do I apply? A: The primary credit is the Homestead Credit, which caps annual assessment increases and requires application by July 1st if you own and occupy your home. Military Exemption credits are available for qualifying veterans. Contact the Greene County Assessor at (515) 386-5680 for applications - credits are NOT automatic.

Q: How does the Homestead Credit work? A: The Homestead Credit doesn't reduce your property's market value but instead limits how much your assessment can increase each year and provides some tax reduction. You must own and occupy the property as your primary residence and file an application with the assessor's office by July 1st.

Q: How often are properties reassessed in Greene County? A: Iowa requires counties to reassess properties every two years. Greene County conducts physical inspections and statistical analysis to ensure assessments reflect current market values as of January 1st each assessment year.

Q: What happens if I pay my property taxes late? A: Late payments incur interest charges of 1.5% per month on the unpaid balance. After June 1st following the due date, unpaid taxes become delinquent and subject to additional penalties and potential tax sale proceedings.

Q: Can I pay my property taxes online? A: Yes, Greene County offers online payment options through their website at www.greenecounty.iowa.gov. You can also pay by mail, phone, or in person at the Treasurer's office in Jefferson.

Q: How do special district taxes affect my bill? A: Your location determines which special districts apply - library districts, school districts, drainage districts, or municipal boundaries. Each adds their levy to your total rate, which is why rates vary significantly across different areas of Greene County.

Q: How do I appeal my property assessment? A: Assessment appeals must be filed with the Greene County Board of Review, typically meeting in April and May. Contact the assessor's office for specific deadlines and required forms. You'll need comparable sales data or professional appraisal evidence to support your appeal.

Q: Are there exemptions for seniors or disabled property owners? A: Iowa offers various exemptions and credits for qualifying seniors and disabled persons. Contact the Greene County Assessor's office at (515) 386-5680 to discuss eligibility requirements and application procedures, as these require annual applications and income verification.

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