__This group contains the Master Property File, 
Master Address Index, 
Neighborhood boundaries,
land-use maps, 
parcel outlines
and community living arrangements.__

housing-and-property-information

Housing & Property 

Creative Commons Attribution

property-sales-data

Our mission is to administer the City's assessment program in a manner that assures public confidence in our accuracy, productivity, and fairness. The Assessor's Office performs the following major functions to fulfill its mission:

* Find, list, and value uniformly all taxable property in the City as required by law.
 
* Comply with the legal requirements for processing assessment objections and determining eligibility for property tax exemptions.
 
* Provide service and information to the public, other city departments, and public agencies.
 
We are dedicated to maximizing effectiveness in performing these functions. We seek to continually improve quality and excellence by:

* Providing the necessary training to employees, enabling competent job performance and enhancing professional growth;
 
* Encouraging employee self-development, motivation and participation, and recognizing contributions and performance;
 
* Fostering open communication and teamwork;
 
* Soliciting input and feedback from the customers we serve;
 
* Focusing on continual improvement of processes and systems based on the scientific approach;
 
* Providing the necessary resources to meet these goals.

assessor-s-office

Assessor's Office

2026

2025

2024

2023

2022

2021

2020

2019

2018

2017 

2016

2015 

2014

2013

2012 

2011 

2010

2009

2008 

2007

2006

2005

2004

2003

2002 

2002-2018 Master File 

Property Sales Data

tax-data-by-county

_Update Frequency: Annual_

Updated for 2022.  Summary of total assessed values, tax levies and tax rates listed by county and taxing jurisdiction.  2010 to present.

Note: Data is complete for all three counties for assessment years 2019 to present.  2018 data is available for Milwaukee County only.  Tax rate data is available for Milwaukee County only for years 2010-2018.

CSV Tax Data by County

_Update Frequency: Annual_

Summary of total assessed values, tax levies and tax rates listed by county and taxing jurisdiction.  2010 to present.

Note: As of August 3, 2021, data is complete for all three counties for assessment years 2019 and 2020.  2018 data is available for Milwaukee County only.  Tax rate data is available for Milwaukee County only for years 2010-2018.  2010-2018 tax levy data for all three counties, and 2010-2018 tax rate data for Washington and Waukesha Counties will be completed in the coming weeks.

Documentation: Tax Data by County

Assessment terminology and definitions.  Some of these terms are used in this dataset's data and documentation.

Glossary of Assessment Terminolgy

Tax Data by County

assessment-data-summary

_Update Frequency: Annual._  Updated for 2022.  End of year assessed property values for the City of Milwaukee for the years 1992-present.  These values include real estate property and personal property in Milwaukee, Washington, and Waukesha Counties.  One data row per year.

CSV Assessment Data Summary

_Update Frequency: Annual._  End of year assessed property values for the City of Milwaukee for the years 1992-present.  These values include real estate property and personal property in Milwaukee, Washington, and Waukesha Counties.  One data row per year.

Documentation: Assessment Data Summary

Update Frequency: Annual.  Updated for 2022.  Bar chart representing assessed property values for the City of Milwaukee for the years 1992-present.  These values include real estate property and personal property in Milwaukee, Washington, and Waukesha Counties.

Chart: Total Assessed Value by Class by Year

Assessment Data Summary

assessment-data-by-county-by-class

_Update Frequency: Annual._ Updated for 2022.  End of year assessed values and related date listed by county and class.

CSV Assessment Data by County by Class

_Update Frequency: Annual._ End of year assessed values and related data listed by county and class.

Documentation: Assessment Data by County by Class

Assessment terminology and definitions. Some of these terms are used in this dataset's data and documentation.

Assessment Data by County by Class

groups

organization

res_format

Datasets

Department

Topic

Format

Tag

4 datasets

Property Sales Data

Tax Data by County

Assessment Data Summary

Assessment Data by County by Class