City of Sun Prairie Revaluation Notice

As directed by the City Council, the City of Sun Prairie Assessor's office conducts revaluations on a 2 year cycle updating assessments to market value in odd numbered years. Residential property inspections are typically conducted from June through the 1st week in February of each year. Inspection schedules for commercial properties vary. Property owners will be asked to allow staff to perform an interior inspections by mailing postcards, letters or leaving a tag on a property.


Assessors and authorized staff are permitted by Wisconsin State Statutes 943.13 and 943.15 to enter private property to perform assessments, however they may only do so once per year unless the owner consents (See Section 70.05(4m), Wisconsin Statutes).

Entry Refusal

Property owners may refuse entry to their property by giving notice to the Assessor's office at the time of the request. However, if a property owner denies a written request delivered by certified mail to view the property, they shall not be allowed to contest the amount of the assessment before the Board of Review (See Section 70.47(7)(aa), Wisconsin Statutes).


Any further questions regarding City of Sun Prairie revaluations please contact our office at 608-825-1186.