Certain online services will be unavailable Tuesday July 7th 5:00PM - 7:00PM ET for system maintenance.
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GISThe GIS Division of Information Technologies is responsible for maintaining and updating the County's mapping system and  the development of the interactive mapping system. Our division supports County GIS users and leads in the development of a shared GIS resource for local decision makers and the general public. In addition, the GIS division is responsible for maintaining and updating the E-911 addressing and road naming. We also provide mapping services to the general public and other County agencies.

If you have any questions, please contact the Frederick County, Information Technologies, GIS Division at 540-665-5614.