2020 MAR Deadline - Monday, June 8, 2020

June 1, 2020

To: Statutory Assessors, Public Assessors, and Municipal Clerks

The Wisconsin Department of Revenue (DOR) would like to remind you that the 2020 filing deadline for the Municipal Assessment Report (MAR) is next Monday, June 8, 2020.

Filing Information

MAR Non-filer lists

  • Attached is a summary of the MAR reports that have not been filed
    • Report includes non-filers as of 4:00 a.m. today, Monday, June 1, 2020
  • Review the non-filer list to make sure we received your filing
  • DOR will email an updated non-filer summary on Monday, June 8

Non-filed or late-filed forms

If you do not file by Monday, June 8, 2020, the following may occur:

  1. Municipal reporting – municipality receives a reduced levy limit due to the lack of new construction information
  2. TID reportingprior year's non-manufacturing full value is certified for the current year. This may result in less tax increment dollars available to the municipality.
    Note: If you do not file a MAR by June 8, 2020, DOR's Equalization Bureau will file a formal complaint against your certification with the Office of Technology & Assessment Services, requesting a review and possible revocation of your assessor certification under state law (sec. 73.09(7), Wis. Stats.)

If you have questions, contact the Equalization Bureau District Office in your area.