2026 Statement of Assessment Filing Deadline Reminder – Due June 8

​June 8, 2026

To: Municipal Clerks, County Treasurers and Real Property Listers
Cc: Municipal Treasurers and County Clerks

Note: If you already submitted this form or your Board of Review has not adjourned, please disregard this email.

The Wisconsin Department of Revenue (DOR), State and Local Finance Division would like to remind you to e-file the 2026 Statement of Assessment (SOA).

Form Inform​ation

  • Due date – June 8, 2026, or after your Board of Review (BOR)
  • You do not have to inform us if your BOR is held after June 8, 2026
  • E-file as soon as possible after BOR adjourns – through MyDORGov or by file transfer
  • Assessed values:
    • SOA is a summary of each district's assessed value
    • Provide an assessed value for each district, even if it has no tax levy
  • SOA also includes parcel counts and acreage of exempt real property. View updated Managed Forest Land (MFL) and Private Forest Crop (PFC) rates.

E-filing Methods

  1. ​MyDORGov
    • Accessing the form
      • Click MyDORGov login on our Governments web page
      • Complete email authorization – enter your email address and click the provided link sent via email
      • Form PA-521C – SOA should be listed on the "form filing" page; if not, follow "review your access" steps below
    • Review your access
      • On the MyDORGov home page, select "user information"
      • If you are the municipal clerk – verify your office is listed on the left under "Your Office Summary" panel
      • If it is not listed – select "Request Office" to submit an officeholder request to DOR
      • Review any additional offices and/or accesses and make updates where necessary
  2. File transfer

    Click "Ready to Transfer" (under SOA File Transmission) on the Government E-Services File Transfer web page

    • Text file layout – must follow current alignment specifications and format
    • Use correct district codes – DOR cannot process files with incorrect district codes
    • Include – assessor name and accurate phone number
    • Do not include – manufacturing values in your file
    • Confirmation – receipt number is confirmation your file was sent to DOR; if we are unable to process your SOA, we will contact you

Why is accurate and timely filing important?

  • DOR uses SOA values to certify school district, technical college, and special district equalized values; this process begins September 1
  • If we do not receive a completed SOA by September 1, we will estimate the assessment data based on the prior year SOA values

Questions?

Contact us at lgs@wisconsin.gov.