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Updated 2025 Tax Year

Wilson County
Property Tax Guide

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

8 Official Sources
8 min read
Quick Facts
Tax Rate
Varies by taxing district - mill levy rates differ based on school districts, townships, cities, and special districts
1st Due
Dec 20
2nd Due
May 10
Exemptions
4+ Available
Section 1

How Property Tax Works

Wilson County, Kansas operates under the state's property tax system, where property taxes serve as the primary funding source for local government services, schools, and various special districts. Property owners in Wilson County pay taxes based on their property's assessed value multiplied by the applicable mill levy rate, which varies depending on the specific taxing districts where the property is located.

The effective tax rate in Wilson County varies by location within the county due to different combinations of special taxing districts, including school districts, townships, cities, and other local improvement districts. For 2025, the general tax rate has been set, but property owners should verify their specific rate with the Wilson County Assessor's office since rates can differ significantly based on which municipal boundaries and special districts apply to their property. Kansas follows a statewide assessment schedule with different property types assessed in rotating years.

Section 2

What Makes Up Your Tax Bill

ComponentRate (Per $1,000)Description
County General FundVariesBasic county operations, roads, courthouse
School DistrictVaries by districtLocal school funding, varies by USD
TownshipVariesLocal township services
City (if applicable)Varies by municipalityMunicipal services for incorporated areas
Special DistrictsVariesFire, library, cemetery, improvement districts
Total Estimated Range$15-30Combined rate varies by location

Note: These rates apply to FY 2025-2026 levy year. Actual rates vary significantly based on your property's location within Wilson County and which special taxing districts apply. Contact the Wilson County Clerk or Assessor for your specific combined mill levy rate.

Section 3

When Are Property Taxes Due?

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

First Installment
Dec 20
Delinquent after Dec 10
Second Installment
May 10
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 Wilson County are additional property tax bills issued when there are mid-year changes to property ownership, value, or use that weren't captured in the regular annual assessment. Common triggers include new construction completion, property transfers, changes in exemption status, or corrections to assessment errors discovered after the regular tax roll was finalized.

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 new construction worth $100,000 in assessed value is completed in January and the tax rate is $20 per $1,000, the supplemental tax would be approximately $2,000 for the full year. Property owners typically receive supplemental tax bills within 30-60 days of the triggering event and payment is usually due within 30 days of the bill date.

Example Calculation

Example 1: $300,000 Home

  • Market Value: $300,000
  • Assessment Ratio (Residential): 11.5%
  • Assessed Value: $34,500
  • Less: Homestead Tax Credit (if applied): Up to $700 reduction
  • Annual Tax (at $25/$1,000 rate): $862.50
  • Monthly Escrow: ~$72

Example 2: $600,000 Home

  • Market Value: $600,000
  • Assessment Ratio (Residential): 11.5%
  • Assessed Value: $69,000
  • Less: Homestead Tax Credit (if applied): Up to $700 reduction
  • Annual Tax (at $25/$1,000 rate): $1,725
  • Monthly Escrow: ~$144

Example 3: $1,000,000 Home

  • Market Value: $1,000,000
  • Assessment Ratio (Residential): 11.5%
  • Assessed Value: $115,000
  • Less: Homestead Tax Credit (if applied): Up to $700 reduction
  • Annual Tax (at $25/$1,000 rate): $2,875
  • Monthly Escrow: ~$240

Note: Tax credits require annual application and are not automatic. Actual rates vary by specific location within Wilson County.

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Section 5

Escrow & Property Taxes

Most mortgage lenders in Wilson County require property tax escrow accounts for borrowers with less than 20% equity. The lender collects monthly payments equal to 1/12 of the annual property tax bill plus insurance premiums, holding these funds in escrow until taxes are due. Wilson County property taxes are typically due in two installments, and lenders will pay these directly to the County Treasurer from the escrow account.

Property owners should verify their escrow calculations annually when tax bills are issued, as changes in assessed value or tax rates may require escrow payment adjustments. If your escrow account has a shortage, the lender may increase monthly payments or require a lump sum payment. Conversely, if there's an overage, you may receive a refund or see reduced monthly payments. Always review the annual escrow analysis statement provided by your lender and contact them immediately if you notice discrepancies between your actual tax bill and their calculations.

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 Wilson County property taxes due for FY 2025-2026? A: Property taxes are typically due in two installments. Contact the Wilson County Treasurer's office for specific due dates, as Kansas allows counties to set their own payment schedules.

Q: What tax credits are available and do I need to apply? A: The main tax credit is the Homestead Tax Credit (K-40H), which can reduce your tax bill by up to $700 annually. This requires an annual application filed with your Kansas income tax return and is NOT automatic.

Q: How does the Homestead credit work? A: The Homestead credit limits annual assessment increases on your primary residence and provides a tax credit. It does not reduce your property's market value but caps how much your assessment can grow year-over-year. You must apply annually through the K-40H form.

Q: What if I'm a senior citizen or disabled veteran? A: Seniors and disabled veterans may qualify for additional property tax relief through the K-40SVR form. This also requires annual application and has income limitations.

Q: How often is my property assessed? A: Kansas follows a statewide reappraisal cycle. Residential properties are typically reassessed every six years, though the county assessor may conduct interim reviews for significant changes.

Q: Can I appeal my assessment? A: Yes, you can appeal through the Wilson County Board of Tax Appeals. Appeals must typically be filed within 30 days of receiving your assessment notice.

Q: What are the penalties for late payment? A: Late payments incur interest and penalties as set by Kansas state law. Contact the Wilson County Treasurer for current penalty rates and payment options.

Q: Can I pay my taxes online? A: Many Kansas counties offer online payment options. Check the Wilson County Treasurer's website or call their office to verify available electronic payment methods.

Q: Why did my tax bill change if my assessment stayed the same? A: Tax bills can change due to different mill levy rates set by various taxing districts, even if your assessment remains constant. Special district bonds, school funding changes, or municipal rate adjustments can all affect your total bill.

Q: Do I need to reapply for credits every year? A: Yes, most tax credits including the Homestead credit require annual application. They are not automatically renewed, so you must file the appropriate forms each year to maintain the benefits.

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