Department of Administrative Services

GIS Applications

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

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, subdivisions).

Open Application

Interactive Mapping Application

Open Interactive Mapping Application

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

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

1984 & 1910 Sanborn Swipe App

Open Sanborn Swipe App

The MCLIO, in partnership with the UWM AGSL, has georectified the 1910 Sanborn Fire Insurance Maps in Milwaukee County. Use this app to view the Sanborn 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)

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