How do I?

Access or Download GIS Data?


There are various options provide to access or obtain county GIS data. Please see our GIS Data Products page for more details. 

Access or Download Orthophotography?


There are various options provide to access or obtain county aerial/ ortho photo data. Please see our GIS Data Products page for more details.

Determine if my Property is in the Floodplain?


The FEMA Floodplain Atlas allows you to select a pdf map based on your tax map grid. This map can be printed or saved locally to your desktop. Contact the Frederick County Zoning Administrator for more information.  Also, please use the FEMA Map Service Center for official FEMA Floodplain map documents.
 

Determine the Zoning District(s) on my Property?


The Zoning Atlas allows you to select a pdf map based on your tax map grid. This map can be printed or saved locally to your desktop. Contact the Frederick County Zoning Administrator for more information.

Download or Request a Subdivision Plat?


Subdivision plats can be downloaded for free or printed at a cost. Please see our Subdivision Plats page for more details.

Download or Print Map Documents?


Frederick County provides several hard copy map products for download or to have printed for a fee. Please see our Map Documents page for more information.  
 

Find a Deed or a Plot Plan for my Property?


Frederick County does not provide deeds or plot plans. Refer to the Maryland Department of Assessments and Taxation Real Property Data Search site for your property deed book and page number information then use the MDLANDREC.NET site to search for your property deed documents or call the Frederick County Courthouse for assistance.  Please see the Other External Resources provided on our GIS Data Products page for other sources of land record related data.

Receive updates on changes to the County data download pages and online mapping applications? 

Go to the NotifyMe page and subscribe to the GIS/ Mapping list.



Request an Address Change or Verify an Existing Address?

 
Please see our Addressing and Road Naming page for more details.

View Online Mapping Sites?


Please see our Online Mapping Applications page for more information on accessing our online mapping applications. 
 

Use GIS Data in AutoCAD?

 
AutoDesk provides a toolbar to allow the use of ESRI .shp files and map services in AutoCAD.  You can find the ArcGIS for AutoCAD toolbar at the following url: http://www.esri.com/software/arcgis/arcgis-for-autocad/download. Further instructions for installation and use of this toolbar have been provided for your convenience.
If you have ArcGIS and AutoCAD products, in ArcGIS you can convert the downloadable files to AutoCAD format(s).  However, you may have to convert the files into smaller geographic sections as the files will be very large in size.