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Updated 2025 Tax Year

Butler County
Property Tax Guide

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

10 Official Sources
8 min read
Quick Facts
Tax Rate
Varies by district due to overlapping taxing jurisdictions (school, city, township, fire districts)
Exemptions
4+ Available
Section 1

How Property Tax Works

Butler County, Kansas operates under the state's property tax system to fund essential local services including schools, roads, emergency services, law enforcement, and county operations. Property taxes are calculated based on the assessed value of real and personal property, with assessment occurring annually as of January 1st. The county uses an assessment ratio of 11.5% for residential properties, meaning your assessed value is 11.5% of the appraised market value.

The effective property tax rate in Butler County varies significantly by location within the county due to multiple overlapping taxing districts including school districts, cities, townships, fire districts, and other special purpose districts. While the base county levy provides core services, residents may pay additional taxes depending on their specific location and the services provided by local districts. The total effective rate typically ranges from approximately 2.5% to 4.0% of assessed value, though this can vary based on your property's specific tax district combination.

Section 2

What Makes Up Your Tax Bill

ComponentRate RangeDescription
Butler County General Fund~25-30 millsCore county services, administration, courts
Butler County Debt Service~3-5 millsCounty bond payments and debt obligations
Road & Bridge Fund~15-20 millsRoad maintenance and infrastructure
Emergency Medical Services~8-12 millsCounty EMS operations
School Districts~45-65 millsVaries by school district (USD 375, 380, 381, 383, 385, 490)
Cities/Townships~5-25 millsMunicipal services (varies by city)
Fire Districts~3-8 millsFire protection services where applicable
Other Special Districts~1-5 millsLibraries, drainage, cemetery districts

Note: Rates shown are approximate for levy year 2025 and are expressed in mills (per $1,000 of assessed value). Final rates for FY 2025-2026 are pending budget approval. Your actual rate depends on your specific location and applicable taxing districts.

Section 3

When Are Property Taxes Due?

For the 2025/2026 tax year in Butler 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 Butler County are additional property tax bills issued when there are changes to property ownership, improvements, or corrections to assessments during the tax year. Common triggers include new construction completion, property splits or combinations, changes in exemption status, or discovery of previously untaxed property (escaped assessments).

Supplemental taxes are calculated by applying the current year's tax rate to the change in assessed value, prorated for the portion of the tax year remaining. For example, if you complete a $100,000 home addition in July, the supplemental tax would apply to the increased assessed value from July through December. The supplemental tax bill becomes due immediately upon issuance and must be paid within 45 days. Unlike regular property taxes, supplemental taxes cannot be paid in installments and do not automatically transfer to mortgage escrow accounts.

Example Calculation

Example 1: $300,000 Home

  • Market Value: $300,000
  • Assessed Value (11.5%): $34,500
  • Applicable Tax Credits: -$1,500 (estimated homestead credit with application)
  • Net Taxable Assessed Value: $33,000
  • Total Tax Rate: 95 mills (varies by district)
  • Annual Property Tax: $3,135
  • Monthly Escrow: $261

Example 2: $600,000 Home

  • Market Value: $600,000
  • Assessed Value (11.5%): $69,000
  • Applicable Tax Credits: -$1,500 (homestead credit - requires application)
  • Net Taxable Assessed Value: $67,500
  • Total Tax Rate: 95 mills (varies by district)
  • Annual Property Tax: $6,413
  • Monthly Escrow: $534

Example 3: $1,000,000 Home

  • Market Value: $1,000,000
  • Assessed Value (11.5%): $115,000
  • Applicable Tax Credits: -$1,500 (homestead credit - requires application)
  • Net Taxable Assessed Value: $113,500
  • Total Tax Rate: 95 mills (varies by district)
  • Annual Property Tax: $10,783
  • Monthly Escrow: $899

Note: Tax credits require annual application and are not automatically applied. Rates vary significantly by location within Butler County.

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Section 5

Escrow & Property Taxes

Most mortgage lenders in Butler County require borrowers to maintain an escrow account to ensure property taxes are paid on time. Your lender will collect monthly payments equal to 1/12 of your estimated annual property tax bill and hold these funds in a separate escrow account. The lender then pays your property taxes directly to Butler County when they become due on December 20th and May 10th.

Lenders are required to conduct annual escrow analyses to ensure adequate funds are collected. If your property taxes increase due to assessment changes or rate increases, your monthly escrow payment will be adjusted accordingly. You'll receive an annual escrow statement showing all deposits, payments, and any surplus or shortage. If there's a shortage, you may need to make a lump sum payment or accept higher monthly payments. Property owners should verify that their lender has paid taxes correctly and on time, as the property owner remains ultimately responsible for payment even when using escrow services.

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 Butler County for the current fiscal year? A: Property taxes are due December 20th for the first half and May 10th for the second half. No second half notices are sent automatically, so property owners should sign up for notifications or mark calendars to avoid late penalties.

Q: What tax credits are available and how do I apply? A: Butler County offers several tax credits including homestead credits for qualifying residents, disabled veteran credits, and senior citizen credits. These are tax credits that reduce your tax bill and require annual application through the County Assessor's office. Applications typically must be filed by March 15th annually.

Q: How does the homestead credit work? A: The homestead credit in Kansas limits annual assessment increases on qualifying residential property and provides a modest tax credit. This requires filing an application with the County Assessor - it is not automatic. The credit caps how much your assessment can increase year-over-year, providing property tax stability for qualifying homeowners.

Q: When are properties assessed and how can I appeal? A: Property assessments are conducted annually with an assessment date of January 1st. Assessment notices are typically mailed in March. Property owners have 30 days from the notice date to file an informal appeal with the County Assessor, followed by formal appeal options through the Board of Tax Appeals if necessary.

Q: What are the penalties for late property tax payments? A: Late payments incur interest and penalties. First half taxes paid after December 20th and second half taxes paid after May 10th are subject to penalty charges. Interest accrues monthly on unpaid balances, and properties can eventually face tax sale proceedings for continued non-payment.

Q: Can I pay my property taxes online? A: Yes, Butler County typically offers online payment options through their official website. Property owners can pay by electronic check or credit card, though credit card payments may incur processing fees. Check the Butler County Treasurer's website for current payment methods and any associated fees.

Q: Why do property tax rates vary within Butler County? A: Butler County contains multiple overlapping taxing districts including different school districts, cities, townships, fire districts, and special purpose districts. Your total tax rate depends on which combination of districts serve your specific property location, which is why neighboring properties may have different total rates.

Q: What triggers a supplemental tax bill? A: Supplemental taxes are issued for mid-year changes including completed new construction, property ownership changes that affect exemptions, property splits or combinations, or discovery of previously untaxed improvements. These bills are due within 45 days of issuance and cannot be paid in installments.

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