Manufacturers

DOR's payment system for business taxes, manufacturing and utility forms, and other payments.

MTA help:

• For manufacturers
• General
• Webinar - Recording | Q&A

New e-filers

• Create your MTA account

Historical filings

• Contact the district office
  in your area

​Coming Soon!​ Updated Manufacturing assessment roll application launching Sept 16, 2026.

• Business activity - by county
• Real estate - by county
• Manufacturing assessment roll​ application​

​Full Value

• Real estate - by county
• Manufacturing assessment roll​ application
• Full value rolls status report

Equated

• Real estate - by county
• Corrections of errors and omits
• Manufacturing assessment rolls application
• Equated rolls status report

• Assessment Values - Five Year History
• Assessment Values - Ten Year History
• Assessment Values by County
• Reasons for (Manufacturing) Real Estate Assessment Change
• State Manufacturing Property Full Value and Parcel Counts

• E-filing information
• Forms
• Extension
• Check filing status
• Late filing fee

• Manufacturing Board of Assessor Appeals
• Manufacturing Classification for Property Tax Purposes
• Wisconsin Manufacturing Property Assessment

• Manufacturing Bureau district map
• WI Act 12 Information
• WI Act 12 Personal Property Exemption
• WI Act 19 Information
• Recently Recorded Webinars
• Manufacturing Sales Data​
  
• State and Local Finance Newsletters
• Wisconsin State Statutes

Business Owner/
Employee/Property Owner

• Registration to file
• Access
• Troubleshooting
• Miscellaneous
• Check filing status

Accounting Firms/Third- Party Preparers

• Registration to file
• Access
• Troubleshooting
• Miscellaneous
• Check filing status

• Questionnaire for Potential Manufacturers
• Agent Authorization - Property Assessment
• Appeal and objection forms
• More forms …