The Village of Prairie du Sac contracts with Accurate Appraisal, LLC for assessor services. Accurate Appraisal, LLC P.O. Box 415 Menasha, WI 54952-0415 Phone: 920-749-8098 Email: question@accurateassessor.com Website: www.accurateassessor.com Visit Accurate Appraisal's website (above) to view property information and preliminary values. Property Assessment & Tax Information Wisconsin Guide for Property Owners Board of Review & Open Book Information 2024 Average Assessment Ratio: 0.997343722 Property Tax Information What do Assessors Do?