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Technical Difficulties

November 12, 2019 - Map Milwaukee Portal will be experiencing intermittent issues throughout the week. The team at ITMD-GIS is aware and are resolving the issues. If you have any questions, please e-mail us at We appreciate your patience.


Map Milwaukee GIS Web Services

GIS web services can be thought of as the City of Milwaukee's library of maps and GIS tools, made available to the interent.  We currently offer two kinds of GIS Web services to the internet: map services, and geocoding services.

A map service is an internet resource that makes maps, features, and attribute data available to the web.  We publish a number of map services, and many are made easily available to you through our map applications.  Map services not automatically available in an application can be added to any application, or accessed directly using ArcGIS Desktop.

A geocoding service takes input information, such as an address or taxkey, and identifies a point on the map that represents that input.  These web services can also be used by ArcGIS Desktop users.


GIS Web Service Documentation

For the most current information about our services, use the following documentation:


City of Milwaukee  

Contact Us

Geographic Information Systems
809 N Broadway
Room 400
Milwaukee, WI 53202

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How To

PDF Tip Sheets for Map Applications

Data Documentation

PDF documents with detailed data definitions, descriptions, and guidance.