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Geographic Information Systems Section

Planning & Zoning Geographic Information Systems (GIS) Section is responsible for maintaining the Department’s digital databases and  maps, and analyzing information for internal and public use.  We strive to meet the needs of our customers with the most accuracy possible. Together the GIS and Research Sections perform a variety of services to County Agencies and the general public.
GIS Data Formats
  • Anne Arundel County's GIS layers are stored as ESRI shapefiles. The P&Z GIS Section uses ArcGIS 9.1x for their map production and analysis.
  • Our map data ranges from 1 inch = 200 feet to 1 inch = 600 feet for its accuracy.
  • All of our map data is projected to the US Stateplane Coordinate System for Maryland and is in NAD83 Feet -  This map projection is applicable for all Anne Arundel County data.
County & State Sites Useful Links - includes all plats filed with the Land Office and the Circuit Courts of Maryland (User ID = plats, Password = plats#)
More Maps & GIS:
FEMA  - Federal Emergency Management Agency Floodplain Maps
MD Department of Natural Resources hosts a wide array of map layers and aerial photos of the entire State of Maryland (MERLIN on-line)
USGS - United States Geologic Society. Allows you to print out their free digital topographic maps
Online Maps! Offers Interactive Topo maps, Trail maps, National Geographic Magazine maps, and also allows you to create your own maps using MapMachine.
The National Atlas of the United States - mapping the USA
USDA Forest Service Maps - The US Department of Agriculture
Geographic Education & Resources Sites:
Towson University's GIS organization and educational program
The Geography Network is a global network of GIS users and providers
Contact Us
The GIS Section can be reached at (410) 222-7744 for questions regarding digital data and GIS products. For any questions regarding the cost of maps and publications for sale, please contact the Information Counter at (410) 222-7463 or (410) 222-7464. 
Heritage Office Complex Icon: PDF
2664 Riva Road, 4th Floor
Annapolis, Maryland 21401
Fax: (410) 222-7744



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Anne Arundel County, MD. 44 Calvert Street Annapolis, MD. 21401 | Telephone: (410) 222-7000 | Suggestions | Disclaimer

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