Final 2020 sales reports are now available

​March 19, 2021

To: General Assessors, Certified Assessors


The Wisconsin Department of Revenue posted the final 2020 sales reports to our website. The reports include assessment information received in the Provide Assessment Data (PAD) system as of March 5, 2021.

Accessing the Reports

  • To access the reports, log into the eRETR System using your WAMS ID
  • Links to the reports are located on the home screen under "Assessor Sales Reports"

2020 Final Sales Reports

  1. Useable Sales for DOR Ratio Projection – this report includes 2020 sales identified as arm's-length and useable for ratio purposes by the assessor. An assessor may use the report's assessment/sales statistics to assist in estimating the January 1, 2021 level of assessment.

  2. Assessment/Sales Ratio Analysis – this report is an analysis of the 2020 sales the assessor identified as arm's-length and useable for ratio purposes
    1. If a municipality is located within two or more counties, there is a ratio report for each piece of the municipality and a report combining all pieces
    2. The split district report is located within the applicable county
    3. All combined reports for split district municipalities are located in a separate link below the list of counties
    4. Review Chapter 10 of the Wisconsin Property Assessment Manual for information on sales ratio statistics

Prior Year Reports

The 2019 Useable Sales Reports and Assessment/Sales Ratio Reports are still available. Links to these reports are on the same web page as the 2020 reports.

Important Deadlines

  1. May 1, 2021 Deadline – Stratified Assessment Data
    • Stratified assessment data or similar information must be submitted to your district office by May 1 for consideration in establishing the 2021 real estate market trends (economic adjustments)
    • Information on stratifying assessments into similar property groupings and a sample DOR spreadsheet are available on our website in the Resources section

  2. June 14, 2021 Deadline – 2021 Assessor Reports
    • Municipal Assessment Report (MAR)
      Note: 2021 MAR report will be available in late April. DOR will send an email including filing instructions.

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