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Map Milwaukee GIS Web Services

Upgraded Map Services -

We have upgraded all of our GIS web services (a/k/a map layers) to ArcGIS Server 10.3.1.  The new services are live and available at  All Map Milwaukee applications have been redirected to use these services.  If you have an ArcCatalog connection or an application utilizing, we recommend you redirect your connection to as soon as possible.  We plan to turn off the old services at on October 28, 2016.

If you are a basic user of Map Milwaukee applications, this change does not affect you (it has already happened).  But, if you are a more advanced user, there are a couple situations where this change will impact you. 

  • Saved a Map Milwaukee project file (.gvsp).
  • ArcMap file (.mxd) with Map Milwaukee GIS services
  • Programmers with code referring to services at

We have created a PDF document with more information if these examples apply to you. (click to open)


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:

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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.