Maryland GIS and Mapping Directory

Search Maryland property assessments, sales history, and maps by county and address or parcel number.

Search and view interactive GIS maps of Maryland. Layers include aerial photos, boundaries, land use, points of interests, census data, and protected lands.

Search and view interactive Maryland highway map.

View information about Maryland municipalities through interactive map.

View Maryland Department of Natural Resources GIS maps and data, including land and water trails, state parks, state forests, wildlife management areas, and water quality maps.

Search for Maryland registered and non-compliant sex offenders by name, zip code, or through interactive mapping application.

View Allegany County voter registration and election information.

View Allegany County tax maps.

View interactive GIS maps of Allegany County, including preliminary flood insurance rate, existing and future land use, aerial photographs dated from 1938 to 2008, general property, school attendance, and shopping area maps.

View Allegany County Land Development Services maps, including zoning, land use, election, highway, planning, and topographical maps.

View Anne Arundel County voting precinct maps.

Search interactive GIS maps of Anne Arundel County, including general service information and crime statistics.

Search Anne Arundel County record drawings and survey monuments by street name, subdivision, and drawing number through interactive mapping system.

View City of Annapolis election ward map.

Search the City of Annapolis interactive crime map.

View the City of Annapolis zoning map.

Search interactive neighborhood map of Baltimore County for zoning designations, property assessments, election districts, aerial photos, and more.

View various static maps of Baltimore County, including political and election districts, general services, and grids and indexes.

View Calvert County polling locations and precinct map.

View Calvert County zoning maps.

View interactive GIS maps of Calvert County, including residents guide, recreational, historic aerial imagery, critical area, capital improvement program, topographic property, and election district maps.

View Caroline County voting precinct map.

View a map of Caroline County land preservation and conservation areas.

View interactive and static GIS maps of Carroll County, including land preservation, election districts, parcel, survey control monuments, aerial photos, and zoning maps.

View interactive GIS maps of Cecil County, including general public, public safety, and planning maps.

View Cecil County Planning and Zoning Department maps, including road, census tract, Commission districts, election districts and precincts, land use, watersheds, zoning and more.

View Cecil County monument location maps, photographs, and supporting documentation.

View Charles County crime incident map.

View Charles County Commissioners district map.

View Charles County planning, critical area, zoning, and land use maps.

View Dorchester County Council district, voter precinct, and legislative district maps.

View interactive GIS maps of Frederick County, including real property information, crime statistics, zoning, survey control monuments, streets and addresses, election districts, sex offenders, and crime incidents.

View Frederick County legislative district and polling location maps.

View Frederick County zoning atlas.

View interactive GIS maps of the City of Frederick, including general property, development projects, and geodetic control maps.

View City of Frederick maps including election, floodplain, historic district, street index, and zoning maps.

View the City of Frederick historical planning documents, including comprehensive plans, zoning ordinances, subdivision regulations, and zoning maps.

View Garrett County Planning and Land Development maps, including road, zoning, sensitive area, subdivision, census tract, and election district maps.

Search for Harford County Community Council areas by address.

View Harford County crime incident map.

View interactive maps showing Harford County community areas, land use, and zoning.

View interactive and static GIS maps of Howard County, including aerial photography, development plans, neighborhood, polling locations, census data, food service inspections, preservation easements, crime statistics, geodetic survey control, and traffic counts maps.