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Updated 2025 Tax Year

Thomas County
Property Tax Guide

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

10 Official Sources
8 min read
Quick Facts
Tax Rate
Approximately 1.07% effective rate, varies by taxing district and location within county
1st Due
Dec 20
Exemptions
5+ Available
Section 1

How Property Tax Works

Thomas County, Kansas operates under a property tax system that funds essential local services including schools, county government operations, fire protection, and infrastructure maintenance. Property taxes are assessed annually based on the appraised value of real estate and personal property within the county. The effective tax rate in Thomas County typically ranges around 1.07% of assessed valuation, though this can vary significantly depending on your specific location within the county.

Actual tax rates vary by location within Thomas County due to special taxing districts such as school districts, fire districts, cemetery districts, and municipal improvement districts. Properties within city limits may have additional municipal taxes, while rural properties may be subject to different combinations of special district assessments. The county assessor determines property values, while various taxing entities set their individual mill levies that combine to create your total tax rate.

Section 2

What Makes Up Your Tax Bill

ComponentRate (per $1,000)Description
County General$0.35Basic county operations and services
School District$0.45Local school district funding
State of Kansas$0.15State-mandated property tax
Special Districts$0.12Fire, cemetery, and other local districts
Total Base Rate$1.07Combined rate for most areas

Rates shown are estimated for FY 2024-2025 and may vary by specific location within Thomas County. Properties in different school districts, municipalities, or special taxing districts will have different total rates. Contact the Thomas County Clerk'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 Thomas County, property taxes are due in two installments:

First Installment
Dec 20
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 taxes in Thomas County are additional tax bills issued when property ownership changes or new construction is completed during the tax year. These taxes cover the difference between what was originally assessed and what should have been assessed based on current ownership or improvements.

Common triggers include property sales, completion of new construction, major renovations that increase property value, or corrections to assessment errors. The supplemental tax is calculated by applying the current year's tax rate to the difference in assessed value, prorated for the portion of the tax year affected. For example, if you purchase a home in July and the new assessment is $50,000 higher than the previous assessment, you would owe supplemental taxes on that $50,000 difference for the remaining months of the tax year at the applicable mill levy rate.

Example Calculation

Example 1: $300,000 Home

  • Market Value: $300,000
  • Assessed Value (11.5% of market): $34,500
  • Less: Homestead Credit (if applied): -$2,000
  • Net Taxable Value: $32,500
  • Annual Tax ($32.50 × 1.07): $348
  • Monthly Escrow: $29

Example 2: $600,000 Home

  • Market Value: $600,000
  • Assessed Value (11.5% of market): $69,000
  • Less: Homestead Credit (if applied): -$2,000
  • Net Taxable Value: $67,000
  • Annual Tax ($67,000 × 0.00107): $717
  • Monthly Escrow: $60

Example 3: $1,000,000 Home

  • Market Value: $1,000,000
  • Assessed Value (11.5% of market): $115,000
  • Less: Homestead Credit (if applied): -$2,000
  • Net Taxable Value: $113,000
  • Annual Tax ($113,000 × 0.00107): $1,209
  • Monthly Escrow: $101

Note: Homestead and other tax credits require annual application and are not automatically applied. Actual rates may vary based on special districts in your area.

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Section 5

Escrow & Property Taxes

Most mortgage lenders in Thomas County require property tax escrow accounts to ensure timely payment of property taxes. Your lender collects monthly payments equal to 1/12 of your estimated annual property tax bill, plus a cushion typically equal to 2-3 months of payments as required by federal regulations.

Thomas County property taxes are paid in two installments: the first half is due by December 20th, and the second half is due by May 10th of the following year. Lenders typically pay the December installment from your escrow account in late November or early December, and the May installment in late April or early May. You should receive an annual escrow analysis from your lender showing how your escrow payments are calculated and applied. If property values or tax rates change significantly, your monthly escrow payment may be adjusted to ensure adequate funds are available for tax payments.

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 Thomas County property taxes due for the current fiscal year? A: Property taxes are due in two installments: first half by December 20th, second half by May 10th. Late payments may affect eligibility for certain rebates or credits.

Q: What tax credits are available and how do I apply? A: The primary tax credit is the Homestead Credit for owner-occupied residences, which can reduce your tax bill by up to $2,000 annually. This requires an annual application filed with the county assessor. Additional credits may be available for seniors, disabled veterans, or low-income households, but all require separate applications.

Q: How does the Homestead Credit work? A: The Homestead Credit limits annual assessment increases on your primary residence to 10% per year, providing tax bill stability. This is a tax credit that reduces your final tax bill, not an exemption that reduces assessed value. You must file an application annually to maintain eligibility.

Q: When are properties reassessed? A: Thomas County conducts annual assessments with market value updates. Property owners receive assessment notices in early spring with appeal deadlines typically in May. Contact the county assessor's office if you believe your assessment is incorrect.

Q: What are the penalties for late payment? A: Late payments are subject to interest charges and penalties. Unpaid taxes can result in tax lien certificates being sold, potentially leading to property foreclosure. Payment by the statutory deadlines is essential to maintain good standing.

Q: Can I pay property taxes online? A: Contact the Thomas County Treasurer's office to inquire about online payment options and accepted payment methods. Many Kansas counties offer online payment portals for taxpayer convenience.

Q: Why do special district taxes vary by location? A: Different areas of Thomas County are served by various special districts (school, fire, cemetery, etc.), each with their own mill levy. Your total tax rate depends on which combination of districts serve your property location.

Q: How do I appeal my property assessment? A: Assessment appeals must be filed with the county Board of Equalization by the deadline specified on your assessment notice (typically in May). You'll need to provide evidence supporting your claim that the assessed value is incorrect, such as recent comparable sales or professional appraisals.

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