Department of Administrative Services

GIS Applications

It's important that everyone take steps to reduce the spread of Coronavirus Disease 2019 (COVID-19). Find out more about COVID-19 and our ongoing response.

GIS Service Endpoints

Open MCLIO Public GIS service endpoint

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 Application

Open Interactive Mapping Application

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

Open Application

Cadastral and Property Info Viewer

Open Cadastral and Property Info Viewer

Use to view cadastral and property information and to download cadastral documents (CSM, condo and subdivisions).

Open Application

Cadastral Document Search

Open Cadastral Document Search Application

Search for cadastral documents (CSMs, condo and subdivision documents).

Open Application

Mobile Parcel Viewer

Open Mobile Parcel Viewer

Use to view parcel information on mobile devices.

Open Application

Historical Maps Swipe App

Open Sanborn Swipe App

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. 

Open Application

Pictometry Connect

Open Pictometry Connect

CONNECTExplorer is the primary standalone online application for accessing Pictometry images and tools. This application is only available to partner organizations.

Open Application

Infographic Applications

Open Infographic Application List

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)

This site is powered by the Northwoods Titan Content Management System