Datasets

Access to Residential, Condominium, Commercial, Apartment properties and vacant land sales history data. To download XML and JSON files, click the CSV option below and click the down arrow next to the Download button in…

Updated 5/25/2025. This data file represents taxkeys that have been dropped from and added to the Assessor’s Office property records. All taxkeys associated with one com/div are identified by Com/Div Number. Legal…

Updated for 2022. Current and historic values of property within Tax Incremental Districts (TID) in the City of Milwaukee. Data includes historic values all TIDs, both active and inactive. To download XML and JSON…

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. To download XML and JSON files, click the CSV option…

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…

Updated for 2022. End of year assessed values and related data listed by county and class. To download XML and JSON files, click the CSV option below and click the down arrow next to the Download button in the upper…

Update frequency: Biweekly during second half of each year. A new data set will be added each year, mid-year. At that point the new dataset will be updated approximately biweekly until it is finalized in December. The…