View City of Frederick maps by base, index, path plan, street sweeping or voting locations.
Search City of Frederick GIS Department interactive mapping applications, including general, geodetic control, traffic counts, road closures, historic properties.
View City of Frederick historical planning documents by preservation overlay maps or preservation commission.
View Frederick County election maps by precinct, polling place, address, city and zip code.
Find Frederick County GIS maps, tax maps, and parcel viewers to search for and identify land and property records.
View Frederick County Information Technology GIS maps by property explorer, road closure, public works, recreation and community restoration.
View Frederick County zoning atlas and select a tax map to download and print current zoning districts.
View Frederick Police Department crime map, including crime filters and areas of interest.
View Frederick Police Department crime map, including locations and kinds of crimes.
The National Spatial Data Infrastructure (NSDI) is a national repository and data portal for spatial data and mapping information. The Maryland GIS Maps Database includes a variety of mapping data sets, including GIS mapping data. The NSDI includes more than 4 million maps covering the entire United States.
The NSDI provides access to GIS mapping data for the general public, Federal, State, and local government entities, researchers, and developers. Maryland GIS Maps Database includes mapping data from Federal agencies such as the USGS, the Census Bureau, the Environmental Protection Agency, and the Bureau of Land Management; State mapping agencies, such as the Michigan Department of Transportation; and local governments, such as the cities of Detroit and Chicago.
Maryland GIS Maps Database also includes data sets from private companies and nonprofit organizations. These data sets include mapping data for businesses and industries, transportation networks, land use, and water resources.