Maryland State Government

Maryland Department of Labor Licensing and Regulation Board for Professional Surveyors - DLLR BOARD

Maryland Department of Assessments and Taxation -MDAT

Maryland Geographic Information Committee- MSGIC

Recorded Maryland subdivision(plats)

Recorded Maryland deeds

Public Surveying and Mapping Organizations

Maryland Society of Surveyors - MSS

American Society of Photogrammetry and Remote Sensing - ASPRS

MD iMAP, Maryland's Mapping & GIS Data Portal

Maryland County Government (Geographic Information Systems, Survey Control)

Allegany County

County Website > Public Works > GIS

Anne Arundel

County Website> Depts > Planning and Zoning > GIS

Baltimore County

County Site > Depts> Information Technology > GIS

Survey Control

County Site > Depts > Public Works> Bureau of Engineering > Survey Control

Calvert County

County Website > GIS Data Portal

Carroll County

County Website

Cecil County

County Site > Planning & Zoning > GIS

Charles County

County Website > Government > Planning and Growth Management > Mapping Services

Dorchester County

County Site > Maps and GIS Data (GIS and Survey Control)

Frederick County

County Website> Public Works> GIS

Garrett County

County Website > Watersheds > Mapping Resources

Harford County

County Site > Gov't > Planning and Zoning > Maps & Apps

Survey Control

County Site > Gov't > Depts > Public Works > Transportation > Bureau of Engineering > Survey Section

Howard County

County Site

Survey Control

County Website > Engineering > Surveying

Montgomery County

County Site

Prince George's County

County Site

Queen Anne’s County

County Site > Depts > Information Technology

St. Mary's County

County Website > Business > View GIS Maps

Talbot County

County Site > Topics of Interest > Interactive Maps

Wicomico County

County Site > Gov't > Depts > Planning and Zoning

Worcester County

No GIS information online – See contact information

***Additional GIS info available for District 1 via Eastern Shore Regional GIS Cooperative

Federal Surveying Agencies

National Geodetic Survey - NGS
NGS Federal Base Network - FBN
United States Geological Survey - USGS
Federal Geographic Data Committee - Federal Geodetic Control Subcommittee FGDC