Wisconsin Property Tax Calculator 2026

The Wisconsin Property Tax Calculator is a free, browser-based tool that turns a home's market value into an annual property tax figure and the monthly escrow payment a lender collects. It applies Wisconsin's statewide effective rate of 1.32% unless you enter your own, and the sections below explain the credits that appear on a real December bill. Nothing you enter leaves your browser. Updated October 2026.

How Wisconsin Property Tax Works

Property tax in Wisconsin is an annual tax levied on real estate by local governments — primarily counties, municipalities, and school districts. The amount you owe is determined by your property's assessed value multiplied by the local mill rate. On average, Wisconsin homeowners pay 1.32% of their home's value in property tax each year, 0.38 percentage points above the U.S. figure of 0.94%.

The effective rate combines all local levies: county tax, municipal tax, school district tax, and any special assessments. Because Wisconsin has multiple taxing jurisdictions, your actual rate depends heavily on where in the state your property is located. The 1.32% figure is all real-estate tax paid on owner-occupied homes in Wisconsin divided by their total value, as published in the Tax Foundation's Property Taxes by State and County, 2026 from Census Bureau American Community Survey data for 2020–2024. It is a statewide average — not a rate any single jurisdiction charges, and not your bill.

The Census Bureau puts the median owner-occupied home in Wisconsin at $266,500 and the median real-estate tax bill at $3,792 a year — roughly $316 per month when paid through a mortgage escrow account (American Community Survey, 2020–2024).

Who Collects Property Tax in Wisconsin — and How Rates Are Set

In Wisconsin, property is assessed by the municipal assessor — the city, village or town, not the county (no Wisconsin county currently has a county assessor) — and the city, village or town treasurer collects the tax for the municipality, the county and the school district. Each of those bodies, plus the technical college district and any special district, sets its own levy.

Mill rates (expressed as dollars of tax per $1,000 of assessed value) are set annually based on local budget needs. Ten mills is 1% of assessed value, which equals 1% of market value only where homes are assessed at full market value. Wisconsin law aims at full market value, but a municipality's assessments only have to be within 10% of it at least once every five years, so a bill shows both the assessed value and an estimated fair market value, and the tax is levied on the assessed value. If your home's market value rises faster than neighboring properties, your share of the tax burden can increase even if the mill rate stays the same.

To find your exact rate, read your December tax bill — it lists every taxing jurisdiction and the net assessed value rate — or ask your municipal clerk or treasurer. The municipal assessor sets your assessed value, not the rate.

Wisconsin Property Tax Exemptions and Relief Programs

Wisconsin has no homestead exemption that lowers a home's assessed value; relief comes as credits instead. Three appear on the property tax bill: the School Levy Tax Credit (all taxable real property, automatic), the First Dollar Credit (any parcel with a building or other real property improvement, automatic) and the Lottery and Gaming Credit (your primary residence as of 1 January, and you must apply for it). Others are claimed on the Wisconsin income tax return: the Homestead Credit, worth up to $1,168 for households with income under $24,680 (2025 claims, filed in 2026), the School Property Tax Credit and the Veterans and Surviving Spouses Property Tax Credit. Wisconsin offers no property tax exemption for veterans, and WHEDA provides property tax deferral loans for elderly homeowners. Source: Wisconsin Department of Revenue — Property Tax Relief Credits.

Agricultural land is assessed at its use value rather than its market value. If you believe your assessment is incorrect, you have the right to object to your municipal Board of Review — you must give its clerk notice at least 48 hours before the Board's first meeting (see the appeal section below).

The School Levy Tax Credit and the First Dollar Credit need no application. Apply for the Lottery and Gaming Credit with your county treasurer; if it is missing from a bill you can claim it from the municipal treasurer by 31 January, or file a late claim with the Department of Revenue by 1 October. The Homestead Credit is claimed from the Department of Revenue on Schedule H or H-EZ, not through your assessor.

The Wisconsin Homestead Credit: Up to $1,168 Back

The Homestead Credit is easy to miss, because it does not appear on the property tax bill at all — you claim it on your state income tax return using Schedule H or H-EZ, and it is refundable, meaning it pays out even if you owe no income tax. Renters can claim it too, on the share of rent treated as property tax. For 2025 claims (the ones filed during 2026) the gate is income: at $24,680 of household income or above, the credit is zero. You must also have been a Wisconsin resident for the whole year, be 18 or older, and either have earned income, be disabled, or be 62 or older. Only the first $1,460 of property taxes or rent-constituting-property-taxes counts toward it, and the credit is 80% of that figure — so the maximum is $1,168. If household income is $8,060 or less you get the full 80%; above $8,060 the qualifying tax is reduced by 8.785% of every dollar of income over that threshold, which is why the credit tapers rather than stopping abruptly. Household income here is broader than taxable income — it counts certain non-taxable amounts too, less $500 per qualifying dependent. Source: Wisconsin Department of Revenue — Homestead Credit Fact Sheet 1116 (tax year 2025) and the 2025 Schedule H tables. Updated October 2026.

Tips to Manage Your Wisconsin Property Tax Bill

First, verify your assessment is accurate. Review your property record card at your municipal assessor's office and check for errors in square footage, bedroom/bathroom count, or lot size. Even small errors can inflate your assessed value and tax bill. If the assessment seems high, look up recent sale prices of comparable homes in your neighborhood and file an appeal if warranted.

Second, apply for every exemption you qualify for. Homestead, senior, veteran, and disability exemptions can reduce your taxable value by thousands of dollars. Third, if your mortgage servicer handles tax payments through escrow, review your escrow statement annually. Servicers sometimes over-estimate and hold excess funds — you may be entitled to a refund. Finally, Wisconsin property tax bills go out in December and are due in full by 31 January. State law also provides an installment schedule - a first installment by 31 January and the second by 31 July - unless your municipality has adopted a different one. A missed installment makes the whole unpaid balance delinquent, with interest at 1% a month running back to 1 February.

Why Your Actual Wisconsin Property Tax Rate Differs from 1.32%

The 1.32% used above is a statewide average — almost nobody pays exactly that. Your real rate is the sum of every levy on your parcel: county, municipality (city, village or town), school district, technical college and any special district, less the state credits. County averages already vary widely: the Tax Foundation's 2026 county table (Census ACS 2020–2024) puts the effective rate on owner-occupied homes at 0.69% in Vilas County and 1.82% in Milwaukee County, with Dane County at 1.57%, Brown County at 1.30% and Waukesha County at 1.11%, and rates differ again between municipalities and school districts inside a county. That is why this Wisconsin property tax calculator takes an optional local rate: divide the net tax on your most recent bill by what the home is worth, or convert the bill's net assessed value rate (dollars per $1,000 of assessed value, so $18.50 is 1.85%) and enter your assessed value as the home value. If you do not have a bill yet, your municipal clerk or treasurer can tell you the current rate. Updated October 2026.

When Wisconsin Property Taxes Are Due — and How Escrow Changes the Answer

Wisconsin tax bills are sent out by your municipality in December (state law requires them by the third Monday of the month) for the year just assessed. The full amount is due 31 January. State law also provides an installment schedule — a first installment by 31 January and the second by 31 July — unless your local government has enacted a different one, and some municipalities allow more than two installments, so your bill governs. Miss an installment by more than five working days and the whole remaining balance becomes delinquent, with interest at 1% a month running back to 1 February (some counties add a penalty on top), which is the part that catches people out. If you pay through a mortgage escrow account, your servicer pays the treasurer directly and the monthly escrow figure in the calculator above is the number that matters to your cash flow, not the annual total. Escrow is recalculated once a year, so a reassessment that raises your bill shows up as a monthly payment increase plus a shortfall catch-up — which is why an assessment appeal is worth running before the escrow analysis, not after. Check your municipality's installment schedule with your municipal treasurer; the state rules are set out in the Wisconsin Department of Revenue Guide for Property Owners. Updated October 2026.

How to Appeal a Wisconsin Property Tax Assessment

An appeal challenges your assessed value, not the tax rate — the rate is set by budget votes you cannot contest individually. Start at Open Book, the period before the Board of Review when the assessment roll is open and the assessor can still change a value informally. If that does not settle it, object to your municipal Board of Review, which meets during the 45-day period beginning on the fourth Monday of April and at least seven days after Open Book. Wisconsin requires written or oral notice of intent to object, given to the Board's clerk at least 48 hours before its first scheduled meeting, and the written Objection Form (PA-115A) must be filed no later than the first two hours of that meeting. Bring recent sales of genuinely comparable homes rather than an argument that the bill feels too high. Full procedures and forms are in the Wisconsin Department of Revenue Guide for Property Owners. Property tax on a primary residence is deductible on a federal return only if you itemise, and only within the combined state-and-local tax cap — see IRS Topic 503. Updated October 2026.

How to Read a Wisconsin Property Tax Bill Line by Line

The bill your municipal treasurer mails in December is not a single number, and knowing the order of the lines explains why the total rarely matches a flat-rate estimate. It opens with the assessed value and the estimated fair market value; if those two diverge, the municipality's average assessment ratio is doing the work: the estimated fair market value is the assessed value divided by that ratio, and the tax is levied on the assessed value. An appeal challenges your own assessed value, not the ratio. Below them sit the separate levies — county, municipality, school district, technical college and any special district — each with its own rate, which is why no single percentage describes every parcel. Credits are then subtracted rather than netted against value: the School Levy Tax Credit (already reflected in the net assessed value rate), the First Dollar Credit for any parcel with a building on it and, for an owner-occupied primary residence that has applied, the Lottery and Gaming Credit. Special charges for refuse collection, storm water or a street project are added last and are not property tax at all, so they do not move with your assessment and cannot be appealed on valuation grounds. The Wisconsin Department of Revenue explains a sample bill in its Guide for Property Owners and the credit rules on its Property Tax Relief Credits page. Updated October 2026.

Is Appealing Your Wisconsin Property Tax Assessment Worth It?

At Wisconsin's 1.32% effective rate, a 10% assessment reduction on a $266,500 home (the Census median value) is worth about $352 a year, or roughly $1,759 over five years if the value and rates stay put. The Tax After a Successful Appeal rows above run that on your own figures. Wisconsin's timetable is tight: Open Book, the informal chance to talk to the assessor, comes first; the local Board of Review then meets during the 45-day period beginning on the fourth Monday of April, and you must give notice of intent to object at least 48 hours before its first meeting — miss that and, unless the Board waives the notice for good cause, the year is gone. Objection forms and the Board of Review rules are published by the Wisconsin Department of Revenue under Wis. Stat. § 70.47. Updated October 2026.