Maryland GIS and Mapping Directory

Search Maryland business map including top employers, jobs, incentive zones, education, public services, and more.

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 including road work, hauling restrictions, and roadway weather.

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

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

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 Allegany County maps including zoning map, highway map, topographical map, and other maps.

View Allegany County polling locations by district number including precinct maps.

View Allegany County voter registration and election information including absentee voting information, voting locations and voter registration search.

Search the City of Annapolis interactive crime map by address, crime type and date range.

View a map of the City of Annapolis election wards.

View City of Annapolis maps including bike map, business districts map, zoning map, and other maps.

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

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

View Anne Arundel County voting precinct maps by district.

View Baltimore County flood plain information including flood plain maps.

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

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

View Calvert County floodplain management information including floodplain 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 Calvert County polling locations and precinct map.

View Calvert County zoning maps and comprehensive plan maps.

View Caroline County legislative and school board district map.

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 monument location maps, photographs, and supporting documentation.

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 voter registration and election information including absentee voting and district maps.

View Charles County crime incident map.

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

View Charles County polling places through GIS maps.

View the City of Baltimore early voting locations map and Council district maps.

View interactive GIS maps of the City of Baltimore, including neighborhood, polling locations, historic landmarks and monuments, crime, and police districts.

View City of Baltimore homicide location maps including victims name, age, cause of death, address of incident and treating hospital.

Search City of Baltimore tax parcels by owner name, address or PIN through GIS maps.

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

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

View Dorchester County flood plain information including flood plain maps.

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

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

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

View Frederick County legislative district and polling location 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 zoning atlas.

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

Search Harford County crime incident map by address and incident type.

View Harford County Planning and Zoning activity tracker through interactive map identifying public meeting purpose, meeting date, time and location.

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

View Harford County polling locations by location name including congressional district map, council district map and legislative district map.

Search Howard County interactive crime map by address.

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.

View Howard County polling locations by district, or search polling locator map.

View Kent County economic development map including business sites search.

View the City of Gaithersburg Planning and Code Administration maps, including general reference, address plans, census, historic areas, annexation, and zoning maps.

View interactive and static GIS maps of the City of Rockville, including general, historic districts, election, stormwater management, historic conservation easements, and zoning maps.

Search City of Rockville voting district map by address.

View Montgomery County crime incident map and weekly crime statistics.

View Montgomery County election district and precinct maps.

View interactive and static maps of Montgomery County, including places of interest, public saftey, aerial photos, property maps, Council districts, election, and census data maps.

Prince George's County Assessment Office
Prince George's County Courthouse
14735 Main Street, Upper Marlboro, MD 20772-3050
Phone: (301) 952-2500

Search and view interactive GIS maps of the City of Bowie including aerial imagery, streetlights, public services, and recreation.

Search Prince George's County Police crime maps by district number.

View interactive GIS maps of Prince George's County, including property and zoning, Councilmanic, and crime, as well as various static maps, such as congressional districts, police beats, street, and major evacuation route maps.

View various static GIS maps of Queen Anne's County, including priority funding areas, Commissioner districts, election districts, development, and conservation lands.

View Queen Anne's County polling locations.

View Queen Anne's County voter registration and election information including online registration, polling place search and sample ballots.

View Somerset County Commissioner districts map.

View Somerset County zoning, geological, and public facility maps.

View St. Mary's County Commissioner district, legislative district, and election precinct maps.

View various GIS maps of St. Mary's County, including aerial photos, emergency management, historic sites, parks, and zoning.

View Talbot County election precinct and school board district maps.

View Talbot County flood information including tidal surge maps.

View Talbot County zoning ordinances, land use regulations, and zoning maps.

View Washington County Sheriff crime maps.

View Washington County GIS maps including streets, zoning, and survey monuments.

View Wicomico County legislative district map.

View various maps of Wicomico County, including zoning map, district maps, and other maps.

View Worcester County critical area maps and critical area program information.

View Worcester County Department of Natural Resources maps, including wetlands, zoning, protected lands, flood hazard, and land use maps.