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Updated 2025 Tax Year

Lee County
Property Tax Guide

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

10 Official Sources
8 min read
Quick Facts
Tax Rate
Varies by location due to overlapping school and special districts - contact county auditor for specific rate
Exemptions
4+ Available
Section 1

How Property Tax Works

Lee County, Iowa operates on a property tax system that serves as the primary funding mechanism for local government services, including schools, county operations, municipal services, and various special districts. Property taxes in Lee County fund essential services such as public safety, road maintenance, libraries, and emergency services. The county follows Iowa's decentralized assessment system, where the local assessor establishes property valuations as of January 1st each assessment year, while the county auditor determines levy rates based on budgets from local taxing authorities.

The effective property tax rate in Lee County varies significantly depending on your specific location within the county due to overlapping special taxing districts, including school districts, fire districts, library districts, and municipal levies. While Iowa's statewide average property tax rate is approximately 1%, rates in Lee County can range higher or lower depending on these local district assessments. For the 2025 assessment year, Lee County has seen proposed increases in property values of approximately 10%, though final tax rates will be determined closer to the tax year as local government budgets are finalized.

It's important to understand that your actual tax bill depends not only on your property's assessed value but also on the specific combination of taxing districts that serve your property location. Two similar homes in different parts of Lee County may have substantially different tax bills due to varying school district levies, municipal taxes, and special assessment districts.

Section 2

What Makes Up Your Tax Bill

Note: Final FY 2025-2026 rates are not yet available. The following represents typical components that make up Lee County property tax bills. Actual rates vary by specific location within the county due to different combinations of taxing districts.

ComponentEstimated Rate RangeDescription
County General$3.00-4.00 per $1,000Basic county services, roads, public safety
School District$12.00-16.00 per $1,000Varies by district (Keokuk, Fort Madison, etc.)
Municipal$8.00-12.00 per $1,000City services (if within city limits)
Agricultural Extension$0.75 per $1,000County extension services
Mental Health$0.50-1.00 per $1,000Regional mental health services
Emergency Management$0.25 per $1,000County emergency services
Assessor$0.40 per $1,000Property assessment services
Total Estimated Range$24.90-34.40 per $1,000Varies by specific location and districts

Special districts such as fire districts, library districts, and drainage districts may add additional levies. Contact the Lee County Auditor's office for exact rates applicable to your specific property address.

Section 3

When Are Property Taxes Due?

For the 2025/2026 tax year in Lee 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 Lee County are additional property tax assessments that occur when there are changes to a property after the January 1st assessment date but within the same tax year. Common triggers include new construction completion, property improvements, ownership transfers that reveal previous underassessment, or corrections to assessment errors discovered during the year.

The supplemental tax is calculated based on the difference between the old assessed value and the new assessed value, multiplied by the applicable tax rate for your property's location. The supplemental tax covers the period from when the change became effective through the end of the current fiscal year (June 30th). For example, if you complete a home addition worth $50,000 in assessed value on October 1st, you would owe supplemental taxes on that $50,000 for the remaining nine months of the fiscal year.

Example: A homeowner completes a $75,000 room addition on December 1st. With Lee County's average tax rate of approximately $30 per $1,000 of assessed value, the annual tax on the addition would be $2,250. Since the addition was completed with 7 months remaining in the fiscal year, the supplemental tax bill would be approximately $1,312.50 ($2,250 × 7/12 months).

Example Calculation

The following examples use estimated rates and assume properties are located in areas subject to typical Lee County taxing districts. Actual taxes will vary based on specific location and applicable tax credits.

Example 1: $300,000 Home

  • Market Value: $300,000
  • Assessed Value (100% of market): $300,000
  • Less: Homestead Tax Credit (estimated): -$2,500
  • Net Taxable Value: $297,500
  • Tax Rate: $30.00 per $1,000
  • Annual Tax: $8,925
  • Monthly Escrow: $744

Example 2: $600,000 Home

  • Market Value: $600,000
  • Assessed Value (100% of market): $600,000
  • Less: Homestead Tax Credit (estimated): -$2,500
  • Net Taxable Value: $597,500
  • Tax Rate: $30.00 per $1,000
  • Annual Tax: $17,925
  • Monthly Escrow: $1,494

Example 3: $1,000,000 Home

  • Market Value: $1,000,000
  • Assessed Value (100% of market): $1,000,000
  • Less: Homestead Tax Credit (estimated): -$2,500
  • Net Taxable Value: $997,500
  • Tax Rate: $30.00 per $1,000
  • Annual Tax: $29,925
  • Monthly Escrow: $2,494

Note: Homestead Tax Credit requires application and caps assessment increases rather than reducing market value. Additional credits may be available for seniors, disabled veterans, and others who qualify and apply.

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Section 5

Escrow & Property Taxes

Most Lee County property owners with mortgages have their property taxes collected through escrow accounts managed by their mortgage lender. Lenders collect monthly escrow payments along with your principal and interest, then pay your property taxes directly to Lee County when they become due. The escrow amount is calculated by estimating your annual tax bill and dividing by 12 months, often with an additional cushion to account for tax increases.

Lee County property taxes are due in two installments: the first half is due by September 1st, and the second half is due by March 1st. Your lender will typically pay the first installment in late August and the second installment in late February. If your property taxes increase significantly from year to year, your lender may require an escrow shortage payment or increase your monthly escrow amount to ensure adequate funds are available.

Property owners should verify that their lender is paying taxes correctly and on time by checking with the Lee County Treasurer's office. You can review your tax payment history and confirm that payments have been received by the due dates. If you pay taxes directly (without escrow), payments must be received in the Treasurer's office or postmarked by the due dates to avoid penalties. Online payment options are available through the Lee County Treasurer's website.

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 Lee County property taxes due for FY 2025-2026? A: Property taxes are due in two installments: first half by September 1st and second half by March 1st. Payments must be received in the Treasurer's office or postmarked by these dates to avoid penalties.

Q: What tax credits are available and do I need to apply? A: The primary credit is the Homestead Tax Credit, which requires application and caps annual assessment increases rather than reducing your property's value. You must apply once when you purchase your home, and the credit continues as long as you remain eligible. Applications received after July 1st apply to the next assessment year. Additional credits may be available for seniors age 70+ with limited income, disabled veterans, and other qualifying situations - all require separate applications.

Q: How does the Homestead Tax Credit work? A: The Homestead Tax Credit does not reduce your property's assessed value but instead limits how much your assessment can increase each year due to market value changes. You must own and occupy the property as your primary residence, be an Iowa resident, file Iowa income taxes, and may not have a homestead credit on another Iowa property. Apply once when you become eligible - the credit continues automatically while you remain qualified.

Q: When are properties assessed and how can I appeal? A: Properties are assessed as of January 1st each year by the Lee County Assessor. Assessment notices are typically mailed in April. If you disagree with your assessment, you can appeal to the local Board of Review, typically meeting in May. Contact the Lee County Assessor's office for specific appeal deadlines and procedures.

Q: What are the penalties for late payment? A: Lee County charges penalties and interest on late property tax payments. The first half payment is subject to penalty if not received by September 1st, and the second half is subject to penalty if not received by March 1st. Contact the Lee County Treasurer for specific penalty rates and interest charges.

Q: Can I pay my property taxes online? A: Yes, Lee County typically offers online payment options through the County Treasurer's website. You may also pay in person, by mail, or through authorized payment centers. Check the Lee County Treasurer's website for current online payment availability and any associated processing fees.

Q: Why do property taxes vary within Lee County? A: Tax rates vary significantly based on your property's location within Lee County due to different combinations of school districts, municipalities, and special taxing districts. A property in Fort Madison will have different rates than a rural property outside city limits, primarily due to different school district levies and municipal taxes.

Q: How do special districts affect my tax bill? A: Special districts such as fire districts, library districts, drainage districts, and emergency services districts add additional levies to your tax bill. The specific districts that serve your property depend on its geographic location. Contact the Lee County Auditor's office to determine which districts apply to your specific address.

Q: What triggers a reassessment of my property? A: Properties may be reassessed due to new construction, major improvements, ownership changes, or as part of the regular assessment cycle. The assessor conducts periodic reviews of property values and may adjust assessments based on market conditions, comparable sales, or physical changes to the property.

Q: Are there exemptions for agricultural or forest land? A: Iowa provides special assessment classifications for agricultural and forest land, which are assessed at use value rather than market value. These require application and annual renewal. Contact the Lee County Assessor's office for eligibility requirements and application procedures for agricultural and forestland classifications.

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