Milwaukee County’s goal is to enrich your life by providing essential services that meet your needs and those of your family, neighbors, co-workers and friends.
We enhance the quality of life in Milwaukee County through great public service.
Milwaukee County is home to over 950,000 people living in one of 19 communities, which range in size from the City of Milwaukee, with 595,000 residents, to the Village of River Hills, with roughly 1,600 residents.
Still a manufacturing stronghold, the region features 16 Fortune 1000 companies and thousands of others in the financial services, medical device, hospitality and retailing industries.
Find information about things to do and happenings in Milwaukee County.
Milwaukee County has confirmed cases of Coronavirus Disease 2019 (COVID-19) and more cases have been identified in the U.S. It's important that everyone take steps to reduce the spread. Find out more about COVID-19 and our ongoing response.
Public GIS service endpoint site. Use to view any GIS services that the MCLIO offers.
Open Application
Application to quickly retrieve Plat of Survey maps in Milwaukee County.
Use to view MCLIO's various GIS data and download cadastral documents.
Use to view cadastral and property information and to download cadastral documents (CSM, condo and subdivisions).
Search for cadastral documents (CSMs, condo and subdivision documents).
Use to view parcel information on mobile devices.
The MCLIO, in partnership with the UW-Milwaukee American Geographical Society Library, has georectified the 1894 and 1910 Sanborn Fire Insurance Maps in Milwaukee County. The Baist's Property Atlas 1890 contains plat information of the City of Milwaukee. Use this app to view the historical maps.
CONNECTExplorer is the primary standalone online application for accessing Pictometry images and tools. This application is only available to partner organizations.
Applications to quickly view statistic summaries of land information, including assessed value, improved value, lot size, etc.
View Applications
Milwaukee County Courthouse 901 N. 9th St., Room 308 Milwaukee, WI 53233
(414) 278-5353 (Voice), 711 (TRS)