Skip to Content
Employee Status: Normal
Office Status: Normal
Employee Information
Road Closures
Home Department of Information Technology Geographic Information Systems

Geographic Information Systems (GIS)

search gis

View All County Maps Map Help Addressing FAQ Your Data - Our Maps Map Questions\Corrections Search

GIS data is provided  'as is'. The maps and data provided are provided for illustration purposes only, and are not suitable for site-specific decision making. St. Mary's County specifically disclaims any warranty, either expressed or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular use. The entire risk as to quality and performance is with the user of the data. In no event will St. Mary's County or its staff be liable for any direct, indirect, incidental, special, consequential, or other damages, including loss of profit, arising out of the use of these data even if St. Mary's County has been advised of the possibility of such damages.

Use this link to submit questions about the web map or issues with the data. For data issues such as incorrect property boundaries or addresses, please be sure to include the relevant tax account ID. The more information you can provide, the better we will be able to research and resolve your issue. Please include an email address so that we may confirm with you that the issue is resolved. Thank you.

Downloadable Layers

These .ZIP files are made available for use in various professional desktop software packages capable of reading ESRI’s shapefile format. These files do not contain anything that is not already available to view in the free GIS Web Map. Beware that these are large files which may take some time to download.

Map Changes, Updates, and Ordering Information

maps Your feedback is very important! If you find any Mapping Applications not functioning properly, please contact St. Mary's County at our feedback page to inform us of any problems. To order additional GIS data.