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Updated 2025 Tax Year

Grant County
Property Tax Guide

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

10 Official Sources
8 min read
Quick Facts
Tax Rate
0.8% to 1.2% of market value, varies by taxing district
1st Due
May 15
2nd Due
Oct 15
Exemptions
5+ Available
Section 1

How Property Tax Works

Grant County, Minnesota operates under the state's property tax system, which funds essential local services including schools, roads, public safety, and county operations. Property taxes in Grant County are based on the assessed value of real estate and are collected annually through a two-payment system. The effective tax rate in Grant County typically ranges from approximately 0.8% to 1.2% of market value, though this varies significantly based on your property's location within specific taxing districts.

Property tax rates in Grant County vary by location due to overlapping special taxing districts, including school districts, watershed districts, and municipal levies. Each property owner's total tax bill reflects the combined levies from all applicable taxing jurisdictions. The county assessor determines property values as of January 1st each year, while the county treasurer handles billing and collection. Tax bills are mailed in November, with payment due dates of December 10th for the first half and May 10th of the following year for the second half.

Section 2

What Makes Up Your Tax Bill

The following represents the typical tax rate components for Grant County properties for the 2025 tax year (payable in 2025-2026):

ComponentApproximate RateDescription
County General Levy0.25-0.35%County operations, services, infrastructure
School District Levy0.45-0.65%Local school district funding (varies by district)
Township/City Levy0.05-0.15%Municipal services and operations
Special Districts0.05-0.20%Watershed, soil conservation, other special districts
Total Estimated Rate0.80-1.35%Combined rate varies by specific location

Note: Actual rates vary significantly based on your property's location within Grant County's various taxing districts. School district levies comprise the largest portion of most tax bills and can vary substantially between districts. Contact the Grant County Assessor's office for your specific district combination and exact rates.

Section 3

When Are Property Taxes Due?

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

First Installment
May 15
Delinquent after Dec 10
Second Installment
Oct 15
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 Grant County are additional property tax assessments that occur when there are changes to a property during the tax year. These are triggered by new construction, major improvements, or changes in property ownership that affect the assessed value. Unlike the regular assessment cycle that values all properties as of January 1st, supplemental assessments can occur throughout the year when qualifying changes are discovered or reported.

Supplemental taxes are calculated by applying the current year's tax rate to the difference between the new assessed value and the original assessed value, prorated for the portion of the tax year remaining. For example, if you complete a $50,000 home addition in July, and your property is in an area with a 1.0% tax rate, you would owe approximately $250 in supplemental taxes (50% of the year remaining × $50,000 × 1.0% = $250). These supplemental bills are issued separately from regular tax bills and typically have a 30-day payment deadline from the date of issuance.

Example Calculation

The following examples show estimated annual property taxes for Grant County properties, assuming typical tax credit applications are filed:

Example 1: $300,000 Home

  • Market Value: $300,000
  • Less: Homestead Market Value Credit: -$8,400
  • Net Taxable Value: $291,600
  • Tax Rate: 1.0% (estimated)
  • Annual Tax: $2,916
  • Monthly Escrow: $243

Example 2: $600,000 Home

  • Market Value: $600,000
  • Less: Homestead Market Value Credit: -$8,400
  • Net Taxable Value: $591,600
  • Tax Rate: 1.1% (estimated)
  • Annual Tax: $6,508
  • Monthly Escrow: $542

Example 3: $1,000,000 Home

  • Market Value: $1,000,000
  • Less: Homestead Market Value Credit: -$8,400
  • Net Taxable Value: $991,600
  • Tax Rate: 1.2% (estimated)
  • Annual Tax: $11,899
  • Monthly Escrow: $992

Note: These calculations assume homestead tax credits are applied, which require annual application. Actual rates vary by location within Grant County. Senior citizens, disabled veterans, and other qualifying residents may be eligible for additional tax credits that require separate applications.

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Section 5

Escrow & Property Taxes

Most mortgage lenders in Grant County require property tax escrow accounts for borrowers with less than 20% equity. Your lender collects monthly tax payments as part of your mortgage payment and holds these funds in an escrow account. The lender pays your property taxes directly to Grant County on the due dates: December 10th for the first half and May 10th for the second half of the following year.

Lenders typically collect 1/12 of your annual tax bill each month, plus an additional cushion amount (usually 2-3 months of payments) to ensure sufficient funds are available when taxes are due. You should receive an annual escrow analysis from your lender showing the account activity and any required payment adjustments. If your property taxes increase or decrease significantly, your monthly mortgage payment may be adjusted accordingly. Property owners can verify that taxes have been paid by checking with the Grant County Treasurer's office or through their online payment portal.

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 Grant County property taxes due for 2025? A: The first half payment is due December 10, 2025, and the second half is due May 10, 2026. Payments postmarked by these dates are considered timely.

Q: What tax credits are available and do I need to apply? A: Most tax credits require annual application, including the Homestead Credit (application deadline February 28th), Senior Citizen Property Tax Deferral, and Disabled Veteran Homestead Credit. Contact the Grant County Assessor's office at the county courthouse for applications and eligibility requirements.

Q: How does the Homestead Credit work? A: The Homestead Credit provides a market value credit (currently up to $8,400) and caps annual assessment increases at 10% for qualifying owner-occupied properties. You must file an application by February 28th annually to maintain this credit status.

Q: When does Grant County assess property values? A: All properties are assessed annually as of January 1st. Assessment notices are typically mailed in March. You have until April 30th to appeal your assessment to the local board of equalization.

Q: What are the penalties for late payment? A: Unpaid first-half taxes become delinquent after December 10th and unpaid second-half taxes become delinquent after May 10th. Delinquent taxes incur penalty charges and interest, with tax-forfeited land procedures beginning if taxes remain unpaid by the following year.

Q: Can I pay property taxes online? A: Yes, Grant County offers online payment options through their official website. Contact the County Treasurer's office for current online payment portal information and accepted payment methods.

Q: Why do tax rates vary within Grant County? A: Properties are subject to taxes from multiple overlapping jurisdictions including the county, school districts, townships or cities, and special districts. Different combinations of these taxing authorities result in varying total tax rates depending on your property's specific location.

Q: How do I know which special districts apply to my property? A: Your annual property tax statement lists all applicable taxing districts. You can also contact the Grant County Assessor's office with your property identification number for a complete list of taxing jurisdictions that apply to your specific property.

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