Baltimore County provides Geographic Information System (GIS) maps and data to the public at no cost. GIS maps and data provide geospatial information that includes features, such as Planimetrics, topography, parcels, roads, buildings and bodies of water. GIS data can be downloaded from the GIS Data Portal and from our FTP site, and is available in multiple formats:
- Adobe Reader (.pdf) – FTP only
- ESRI File Geodatabase (.gdb)
- ESRI Shapefile (.shp)
- Generic CADD file export (.dxf) – Data Portal only
- AutoCAD (.dwg)
- Orthos (.sid and .jp2) – FTP only
GIS Data Portal
Map data, updated as often as every two weeks, can be downloaded for a specific area as follows:
- Accept the Warranty and Disclaimer below.
- Zoom to the area of interest or enter an address in the top right hand corner.
- Choose one of the icons in the top middle of the GIS Data Portal screen to select the desired data type.
- Select the layers you would like to extract.
- Select the file format.
- Press Extract and select Yes to save the file to a location of your choosing.
- Unzip the file.
Warranty and Disclaimer
By downloading Baltimore County GIS data, you are agreeing with the warranty and disclaimer below.
The user or recipient of this data understands and acknowledges this data may be inaccurate or contain errors or omissions and the user or recipient assumes full responsibility for any risks or damages resulting from, arising from or in connection with any use of or reliance upon data displayed herein. Baltimore County, Maryland does not warrant the accuracy or reliability of the data displayed herein. Baltimore County, Maryland disclaims all warranties with regard to data displayed herein, including but not limited to, all warranties, express or implied, of merchantability and fitness for any particular purpose.
Baltimore County, Maryland additionally disclaims all obligation and liability for damages, including but not limited to, actual, special, indirect, and consequential damages, attorneys’ and experts’ fees, and court costs incurred as a result of, arising from or in connection with the use of or reliance upon the data displayed herein.
The user or recipient hereby waives the right to file suit or make demand and forever discharges and releases Baltimore County, Maryland, its agents, employees, successors and assigns from any and all loss, liability, damage, claim, cost or expense incurred as a result of, or arising out of or in connection with the use of data displayed herein or any reliance thereon, whether caused by the acts or omissions of Baltimore County, Maryland, its agents, employees, successors or assigns, directly or indirectly.
The user or recipient of data, hereby acknowledges that Baltimore County, Maryland, its agents, employees, successors, and assigns shall not be responsible for any and all property damage or bodily injury (including serious physical injury or even death) incurred as a result of, or arising out of or in connection with the use of or reliance upon data displayed herein.
For further information, view Instructions for the Data Portal.
FTP
Map data, updated semiannually, can be downloaded as countywide datasets as follows:
- Accept the Warranty and Disclaimer below.
- If you would like to view a PDF file:
- Select the PDF directory.
- Select the PDF for the area of interest.
- If you would like to download data in DWG, Geodatabase or Shapefile format:
- Select the directory for the desired data type.
- Depending on your browser, press Open to display the file or Save to save the file to a location of your choosing.
- Unzip the file.
Warranty and Disclaimer
By downloading Baltimore County GIS data, you are agreeing with the warranty and disclaimer below.
The user or recipient of this data understands and acknowledges this data may be inaccurate or contain errors or omissions and the user or recipient assumes full responsibility for any risks or damages resulting from, arising from or in connection with any use of or reliance upon data displayed herein. Baltimore County, Maryland does not warrant the accuracy or reliability of the data displayed herein. Baltimore County, Maryland disclaims all warranties with regard to data displayed herein, including but not limited to, all warranties, express or implied, of merchantability and fitness for any particular purpose.
Baltimore County, Maryland additionally disclaims all obligation and liability for damages, including but not limited to, actual, special, indirect, and consequential damages, attorneys’ and experts’ fees, and court costs incurred as a result of, arising from or in connection with the use of or reliance upon the data displayed herein.
The user or recipient hereby waives the right to file suit or make demand and forever discharges and releases Baltimore County, Maryland, its agents, employees, successors and assigns from any and all loss, liability, damage, claim, cost or expense incurred as a result of, or arising out of or in connection with the use of data displayed herein or any reliance thereon, whether caused by the acts or omissions of Baltimore County, Maryland, its agents, employees, successors or assigns, directly or indirectly.
The user or recipient of data, hereby acknowledges that Baltimore County, Maryland, its agents, employees, successors, and assigns shall not be responsible for any and all property damage or bodily injury (including serious physical injury or even death) incurred as a result of, or arising out of or in connection with the use of or reliance upon data displayed herein.