Wisconsin

Lien Date: January 1 

Real Property Information 

  • Assessment Notice Issue Date April 1
  • Appeal Deadline May 8; Varies by jurisdiction (April 30–September 30); 30 days from notice date  

Real Estate Tax Bill Payment Information 

  • Tax Bills Issued November 15
  • Single Payment Due (Delinquent Date) January 31
  • First Installment Due (Delinquent Date) January 31
  • Second Installment Due (Delinquent Date) July 31   

Personal Property Information

  • Assessment Notice Issue Date April 1
  • Appeal Deadline May 1
  • Rendition Date March 1   

Personal Property Tax Bill Payment Information

  • Tax Bill Issued December 1
  • Single Payment Due (Delinquent Date) January 31 of the following year