2023 Assessment Roll & Important Dates

The 2023 Assessment Roll was available for public inspection beginning on April 10th, 2023 until April 14th, 2023 during normal business hours of 8:00 AM to 4:30PM and online at www.newberlin.org where property assessments may be viewed using the Interactive City Map or as a downloadable Assessment Roll file. 

In addition to in-person appointments, opportunities to discuss individual property assessments are also available virtually. You may contact the Assessor's Office at 262-797-2465 or via email at assessments@newberlin.org

Interactive City Map    

The 2023 Assessment Rolls will be posted when Assessment Notices are mailed out.


2023 PRELIMINARY Real Estate Assessment Roll

2023 PRELIMINARY Personal Property Assessment Roll

The final Assessment Roll will be reported to the Finance office for use in preparation of the 2023 Tax Roll and also to the  Wisconsin Department of Revenue Equalization Bureau for use in finalizing the City’s total Equalized Value for 2023.

The Equalized Value is used in shared revenue calculations for the City and each of the four school districts which serve City Residents.

If you would like to request that an appraiser review your property assessment for the upcoming tax-year, we would be happy to schedule an interior and exterior inspection at your request.                                                                                  

                 Please refer to Property Assessments & Tax Information to look up the assessed value for your property.

Follow the link to know more about the appeal process before the Board of Review

The Board of Review is a quasi-judicial body appointed by the Mayor that requires sworn verbal testimony, cross-examination of witnesses and the presentation of market derived evidence of value by the Assessors office as well as the Objector. Witnesses may be compelled to appear via subpoena.   

2023 Assessment Calendar

The following are important tax dates for 2023.

Important Dates

January 1, 2023Assessment date - All property is assessed as it existed on this date.
March 1, 2023Personal Property forms were due.
Mail to: 3805 S Casper Dr New Berlin WI 53151 OR email to: personalproperty@newberlin.org
March 1, 2023Applications of property exemption were due.
April 6, 2023Assessment notices were mailed.
April 10 - April 14, 2023Open book period - Assessment rolls were available for public review at City Hall.
May 1, 2023The Board of Review will be in session for at least 2 hours and will adjourn upon the conclusion of their scheduled business for the day.
June 1, 2023
The 2024 Assessment Roll will be opened and property record maintenance work begun. the  2024 Assessment Cycle will be a citywide revaluation, to adjust assessment to reflect market activity since 2018.  

For More Information

For more information about property tax dates, please contact the assessor’s office at (262) 797-2465.