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Geographic Information Systems (GIS)

111 West Chesapeake Avenue, Room 219
Towson, Maryland 21204
Telephone 410-887-3451
Fax 410-887-4394

Baltimore County operates an enterprise Geographic Information System (GIS) as a tool that displays and analyzes map themes to obtain more information about a feature. For information on the mapping of Department of Public Works and Transportation facilities or information about digital topographic or orthophotographic data layers available to consultants involved with design of County Capital projects please send an email to

The County's enterprise GIS is managed in the Office of Information Technology's Business Application Unit. General GIS information and other data are available through the Office of Information Technology's GIS System.

Revised May 12, 2021         


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