Grant County property tax
The penalty-free cutoff is not yet verified. Confirm payment terms with your county.
Read the county’s exact wording
Under the standard schedule, if the first installment is not received by the proper official within five working days after January 31, the remaining unpaid taxes are delinquent as of February 1.
Not tax or legal advice; confirm with your county. Dates are shown as published by the source.
Installment timeline
2027Due dates and filing windows, in one view.
Sources. Checked .
Today: (outside the published timeline)
Assessment notice: not yet verified.
Appeal window: not yet verified.
How to pay
Sources. Checked .
Fees have not been verified. Check the official checkout before paying.
Late payments and penalties
Sources. Checked .
The 2026 DOR guide describes interest on unpaid property taxes accruing from February 1 at 1% per month. Local penalty details require statutory/local confirmation.
Officially published
A numerical example is unavailable without a verified single percentage and unit. Use the published rule or ask the county for a payoff amount.
Assessment appeals
Sources. Checked .
Where to file
Officially published
Exemptions
Sources. Checked .
County offices
Sources. Checked .
Common questions
Sources. Checked .
When is property tax due in Grant County?
First installment or full payment (standard schedule): January 31, 2027 (Set by law). Second installment (standard schedule): July 31, 2027 (Set by law).
Sources
Sources. Checked .
Read the source quotations (15)
https://www.revenue.wi.gov/DOR%20Publications/pb060.pdf
A property tax bill delivered to you in December applies for the property tax in that same year.
Checked .
https://docs.legis.wisconsin.gov/document/statutes/74.11
with the first installment payable on or before January 31 and the 2nd installment payable on or before July 31.
Checked .
https://docs.legis.wisconsin.gov/document/statutes/74.11
If the first installment of taxes on real property or improvements on leased land is not received by the proper official on or before 5 working days after the due date of January 31, the entire amount of the taxes remaining unpaid is delinquent as of February 1.
Checked .
https://docs.legis.wisconsin.gov/document/statutes/74.11
ends on the close of business on the first Friday in February.
Checked .
https://docs.legis.wisconsin.gov/document/statutes/74.11
If the 2nd installment of taxes on real property or improvements on leased land is not received by the proper official on or before 5 working days after the due date of July 31, the entire amount of the taxes remaining unpaid is delinquent as of August 1
Checked .
https://docs.legis.wisconsin.gov/document/statutes/74.11
ends on the close of business on the first Friday in August.
Checked .
https://www.revenue.wi.gov/pages/faqs/ise-home.aspx
You are a legal resident of Wisconsin for all of 2025, from January 1 through December 31. You are 18 years of age or older on December 31, 2025. You have less than $24,680 in household income for 2025.
Checked .
https://www.revenue.wi.gov/DOR%20Publications/pb060.pdf
This interest goes back to February 1 and accumulates at the rate of 1% per month.
Checked .
https://www.revenue.wi.gov/DOR%20Publications/pb060.pdf
State law provides the following payment schedule unless your local governing unit enacted a different schedule. Be sure to check with your local clerk to ensure timely payment of your general property taxes.
Checked .
https://gcinternetwebsite.co.grant.wi.gov/county-treasurer/
As stated on your tax bill, you must pay your first installment or full payment to specified treasurer by January 31st of each year or your balance will become delinquent. Current 2nd installments due by July 31st or Deliquent taxes
Checked .
https://www.revenue.wi.gov/Pages/Municipalities/bor-calendar.aspx
if the property owner is not satisfied with the assessment after attending Open Book, the property owner can bring his/her appeal to the BOR.
Checked .
https://gcinternetwebsite.co.grant.wi.gov/county-treasurer/
To pay your property taxes online please visit:
Checked .
How we verified this page
Official sources, verification dates and corrections
County notes
Additional payment and filing conditions
Sources. Checked .
Property tax in Grant County: county, state and US
Compare Census estimates and read the sampling notes
Sources. Checked .
Census ACS 2020–2024 estimates for owner-occupied homes. The median annual tax paid is a historical survey estimate, not a quote for this year’s bill.
| Area | Median annual tax paid | Median home value | Effective rate estimate |
|---|---|---|---|
| Grant County | $2,729 | $200,700 | 1.36% |
| Wisconsin | $3,792 | $266,500 | 1.42% |
| United States | $3,119 | $332,700 | 0.94% |
Grant County’s effective-rate point estimate is 0.06 percentage points below Wisconsin’s and 0.42 percentage points above the US estimate.
Effective rate = median annual real estate taxes paid (B25103) ÷ median owner-occupied home value (B25077). State and US figures use their own Census medians, not averages of counties. These ratios are not rates set by law or medians of individual tax rates. Differences are not tests of statistical significance. Bounded or missing estimates stay unavailable.
Census sources, quotations and sampling uncertainty
Grant County
Annual taxes: $2,729 (90% margin of error: ±$69). Census table B25103_001E.
0500000US55043|2729|69|2752|110|2705|94
Home value: $200,700 (90% margin of error: ±$5,671). Census table B25077_001E.
0500000US55043|200700|5671
Estimated effective rate: 1.36%. Census source.
0500000US55043|2729|69|2752|110|2705|94
Wisconsin
Annual taxes: $3,792 (90% margin of error: ±$12). Census table B25103_001E.
0400000US55|3792|12|3908|14|3605|19
Home value: $266,500 (90% margin of error: ±$1,051). Census table B25077_001E.
0400000US55|266500|1051
Estimated effective rate: 1.42%. Census source.
0400000US55|3792|12|3908|14|3605|19
United States
Annual taxes: $3,119 (90% margin of error: ±$4). Census table B25103_001E.
0100000US|3119|4|3489|4|2576|4
Home value: $332,700 (90% margin of error: ±$236). Census table B25077_001E.
0100000US|332700|236
Estimated effective rate: 0.94%. Census source.
0100000US|3119|4|3489|4|2576|4
Guides and related dates
Grant County property tax calculator
Estimate your bill, check exemptions and compare counties
Tools: Grant County, WI
Property tax calculator
Estimated annual property tax $2,729
$200,700 home value × 1.36% Census effective rate ≈ $2,729 per year. Uses the unrounded ratio; your actual bill may differ.
Estimate only. Not tax, legal or financial advice; confirm with your county.
Starts at the Census median for Grant County, WI.
Math and official Census sources
$2,729 median annual tax ÷ $200,700 median home value = 1.36%. Census ACS 2020–2024; a historical survey ratio, not a parcel tax rate.
0500000US55043|200700|5671
Census source. Last verified 2026-10-24.
0500000US55043|2729|69|2752|110|2705|94
Census source. Last verified 2026-10-24.
Full Grant County, WI calculator: exemptions, rates, dates and reminders
Prorated property tax calculator
Nearby counties and other due dates
Nearby counties
We haven’t verified a shared Census area for nearby county links.
Other counties in Wisconsin due soon
Published payment dates in the next 60 days.
No other county payment dates are verified here for this period. Check the county’s official site.
Updated , from cited verification dates. Individual sources may have earlier checks.