Department of Administrative Services

Land Information Office

Providing Property Information, GIS Data and Mapping Applications

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.

GIS Applications

GIS Service Endpoints

Public GIS service endpoint site. Use to view any GIS services that the MCLIO offers.

Open Application

Plat of Survey Search

Application to quickly retrieve Plat of Survey maps in Milwaukee County.

Open Application

Interactive Mapping App

Use to view MCLIO's various GIS data and download cadastral documents. 

Open Application

GIS Data Downloads

Open Data Portal

Variety of GIS data available in Shapefile, KML or spreadsheets.

Open Application

Data Download App

Topographic, planimetric and cadastral data in CAD and GDB format.

Open Application

Data Download Form

Access a variety of countywide GIS datasets.

Open Application


Milwaukee County Courthouse
901 N. 9th St., Room 308
Milwaukee, WI 53233

(414) 278-5353 (Voice), 711 (TRS)

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