Departments » Geographic Information Systems
Frederick County's GIS and Planning departments maintain several interactive mapping applications.
**NEW** Frederick County Tax Map
**NEW** Comprehensive interactive mapping of Frederick County.
See "Information" widget in top right hand corner of application for in-app help.
Preliminary Flood Zone Change Viewer
Application used to display changes in flood zone boundaries. Data presented in application was produced by FEMA with preliminary data. For questions concerning boundaries please contact FEMA.
**NEW** Stephens City Tax Map
**NEW** Comprehensive interactive mapping of Stephens City.
Locate government services near you. Works on a desktop browser or mobile device browser.
Locate your assigned polling place based on your address. Also provides information about your elected representatives. Works on both a desktop browser or a mobile device browser.