The Frederick County GIS Team is replacing the legacy web map sites with more mobile friendly sites using Geocortex web based development software. We are pleased to present our first published sites in the new platform which is now viewable on your Android or iOS devices.
Property Explorer - Browse information about Frederick County properties including real property information, plats, recycling collection calendars, zoning, water and sewer services, schools, libraries, police and fire districts, and parks. Find an archive of historic imagery of the county ranging from 1952-2011, measuring tools and more.
SUBDIVISION PLATS can be downloadedas .tiff files by browsing to and selecting the desired property using the Parcel Identifier tool. The plat and link to the Maryland State Department of Assessments and Taxation Real Property account will appear, if available.
HISTORICAL AERIAL IMAGERY can be viewed by clicking the Select a Base Map Tool at the bottom left of the application then highlighting Historic.
Community Restoration Online Tour - View detailed information such as native tree and shrub plantings, bio-retention projects, wetland enhancement projects, and more completed throughout the County.
Crime Viewer - View selected offense reports taken by the Frederick County Sheriff's Office, the Brunswick Police Department, and the Thurmont Police Department. The information on the Registered Sexual Offenders has been provided to the Frederick County Sheriff’s Office by the registrant and is based upon the last notification received. THIS APPLICATION DOES NOT INCLUDE REPORTS TAKEN BY THE CITY OF FREDERICK POLICE DEPARTMENT OR THE MARYLAND STATE POLICE.
Road Closures - View a list and map display of current county road closures. Click on a road closure record at the bottom of the application for more detail. Also go to the Frederick County Office of Highway Operations Roads Closed page to sign up for an RSS feed of current closures.
STATE AND MUNICIPAL ROAD CLOSURES ARE NOT INCLUDED AT THIS TIME.THIS APPLICATION DOES NOT REFLECT CURRENT CONDITIONS DURING SEVERE WINTER STORMS.
For questions or concerns about county road closures, please call our Highway Operations Call Center at 301-600-1564.
School Finder - Get information on the schools and school districts in your area. Enter an address or select a location on the map to generate a detailed report.
Survey Control - View locations and information of survey control monuments in Frederick County. Use a variety of tools to measure and locate important information that can be printed and taken out into the field.
THE FOLLOWING LEGACY APPLICATION WILL BE DISCONTINUED BY MARCH 2016.
Maps At A Glance - Browse information about Frederick County properties including real property information, plats, recycle data, crime statistics, zoning, water and sewer services, schools, libraries, police districts, and parks. Find an archive of historic imagery of the county ranging from 1952-2009, measuring tools and more.
You can use your web browser to access maps that have been developed using ArcGIS Server with Adobe FLEX and ArcGIS Server with .NET technologies. Applications developed with Adobe FLEX require the user to install a free version of Adobe Flash 10 or later.
Note: Please be aware that some users are having issues specific to the Google Chrome browser. For optimal use, we recommend using Internet Explorer to access our web applications.
While efforts have been made to ensure the accuracy of this data, Frederick County accepts no liability or responsibility for errors, omissions, or positional inaccuracies in the content of this data. Reliance on this data is at the risk of the user. The data is for illustrated purposes only and should not be used for surveying, engineering, or site-specific analysis.
Please use the FAQ page for assistance in navigation of the various resources provided on our site.