Authoritative GIS Data Sources For 
 The DMV & Beyond 

Explore a variety of GIS resources for the Washington, DC, Maryland, and Virginia area as well as West Virginia and Delaware.

Washington DC-1
Washington, D.C.

D.C. Office of the Chief Technology Officer (OCTO) | GIS Services

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Washington, D.C.

Washington Metropolitan Area Transit Authority (WMATA) GIS Data

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Maryland
Baltimore City, MD

Baltimore City GIS

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Baltimore, MD

Baltimore Metropolitan Council Regional GIS Data Center

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Bowie, MD

City of Bowie Open GIS Data Portal

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Calvert County, MD

Calvert County GIS Data

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Charles County, MD

Charles County Mapping Resources

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College Park, MD

City of College Park Open GIS Data Portal

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Frederick, MD

City of Frederick Web Mapping Portal

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Gaithersburg, MD

City of Gaithersburg Open GIS Data Portal

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Laurel, MD

City of Laurel GIS Page

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Montgomery County, MD

Montgomery County GIS | Department of Technology Services

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Montgomery County, MD

Maryland National Park and Planning Commission | Montgomery County Open Data

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Montgomery Planning

Montgomery Planning GIS Data Portal

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Prince George's County, MD

Prince George’s County GIS | Office of Information Technology

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Prince George's County, MD

Maryland National Park and Planning Commission | Prince George's County Open Data

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Rockville, MD

City of Rockville Open GIS Data Portal

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Maryland

MERLIN

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Maryland

Maryland MDOT SHA Property Viewer

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Maryland

Maryland GIS Data Catalogue

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Virginia
Alexandria, VA

City of Alexandria GIS

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Arlington County, VA

Arlington County GIS

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Clarke County, VA

Clarke County GIS Data

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Culpepper County, VA

Culpepper County Open GIS Data Portal

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City of Fairfax, VA

City of Fairfax Open Data Portal

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Fairfax County, VA

Fairfax County GIS

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Falls Church, VA

City of Falls Church Open Data Portal

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Fauquier County, VA

Fauquier County Open GIS Data Portal

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Fredericksburg, VA

City of Fredericksburg Open GIS Data Portal

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Loudoun County, VA

Loudoun County GIS

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Madison County, VA

Madison County GIS Mapping Services

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Manassas, VA

City of Manassas Open Data Portal

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Manassas, VA

City of Manassas Open Data Portal

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Prince William County, VA

Prince William County GIS

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Rappahannock County, VA

Rappahannock GIS Data

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Spotsylvania County, VA

Spotsylvania Open GIS Portal

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Stafford County, VA

Stafford County Open Data Portal

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Virginia

Virginia Geographic Information Network

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Virginia

VirginiaRoads.org

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Beyond the DMV
Jefferson County, WV

Jefferson County Open GIS Data Portal

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West Virginia

West Virginia GIS Technical Center

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Delaware

FirstMap Delaware

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Delaware

OSPC GIS and Data - Office of State Planning Coordination

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Delaware

DNREC Open Data - Delaware Department of Natural Resources & Environmental Control

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Delaware

Delaware Geographic Data Committee (DGDC)

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Delaware

Kent County GIS Hub

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