Wisconsin Property Tax Consulting Services
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Wisconsin Property Tax At-a-Glance
Wisconsinʼs property tax system is governed by local assessors under state oversight, with ad valorem real property taxation and evolving statutory changes to personal property treatment. Ryan pairs deep regional expertise with analytics to guide businesses through valuations, appeals, and compliance.
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Real property (land, buildings, improvements) continues to be taxed at local assessor valuations under state statute.
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As of January 1, 2024, Wisconsin has repealed business personal property tax for most business assets under Act 12, eliminating the requirement to file personal property returns. Under the new rules, most tangible personal property (e.g., equipment, machinery, furniture) is exempt from taxation.
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Wisconsinʼs average effective property tax rate is about 1.59%.
Property Tax Deadlines
Wisconsin Property Tax Calendar
Stay ahead of Wisconsin property taxes with our property tax calendar.
* Recently updated within the last 30 days
Lien DateJan 1Real Property Information
Important dates and information related to real property tax assessments in WisconsinAppeal DeadlineVaries annually; (Appeal deadlines occur between the end of April through November). The two main jurisdictions are Madison and Milwaukee, deadlines of mid May and the third Monday in May, respectively.Assessment Notice Issue DateApril–November, varies by cityReal Estate Tax Bill Payment Information
Payment deadlines and information for real estate tax bills in WisconsinTax Bills IssuedEarly DecemberSingle Payment Due (Delinquent Date)Jan 31First Installment Due (Delinquent Date)Jan 31Second Installment Due (Delinquent Date)Jul 31Personal Property Information
Personal property is not taxable in WisconsinPersonal Property Tax Bill Payment Information
N/AOther Considerations
To appeal a Wisconsin real or personal property valuation: – 1st class cities, currently Milwaukee: Objections must first be made in writing and filed with the commissioner of assessments on or before the 3rd Monday in May. – All other municipalities: Property owners must provide the Board of Review clerk with oral or written notice of intent to object at least 48 hours before the first scheduled Board of Review meeting and must also file the applicable written objection form.Delivering Exceptional Tax Strategy Across Wisconsin
Our Wisconsin property tax consultants leverage deep understanding of local assessment practices and regulatory requirements to reduce costs and enhance compliance.
Wisconsin Property Tax Experts
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Property Tax ServicesBacked by decades of local expertise, our property tax consultants deliver tailored strategies that reduce liabilities and free your team from administrative burden—so you stay compliant, in control, and ahead of change.Global property tax clients