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Frederick County GIS
William Rose III
GIS Team Lead

12 E. Church St.
Frederick, MD 21701

Ph: (301) 600-0077
8:00 am - 4:00 pm
Monday - Friday

Frederick County has maintained and enhanced its enterprise Geographic Information System (GIS) since 1994 supporting citizen services such as emergency response, roadway maintenance, environmental sustainability, public works, schools and parks and recreation.  Collaborating with its municipal partners, Frederick County provides spatial data, mapping and addressing support, as well as cost sharing for GIS data acquisition and development.  Providing public access to award winning Internet map applications for property, schools, voting information and crime statistics has allowed Frederick County to leverage its GIS into a valued public service. 

Citizens have access to considerable online GIS information and map views: (See quick links located on right column)

Frederick County GIS now offers a free GIS data download service: GIS Base Data
Orthophotography, Contour-Planimetric Data and Parcel Data
are available via this download service. In addition to digital data, CD or DVD media data is available for purchase.

Frederick County also provides access to our published ArcGIS Server Map Services. Please follow this link for more information on access to these services.  You can also see our list of published map services at