Use Baltimore County's GIS Open Data Portal to find geospatial information that includes features, such as Planimetrics, topography, parcels, roads, buildings and bodies of water.
GIS and Open Data
Explore our mapping applications.
How we allocate public funds.
An overview of Baltimore County's first performance management program.
Learn more about the County Executive’s top priorities through a data-driven lens.
View our other popular data sources like the GIS Data Download or Community Crime Mapping.
Suggest a Dataset
We're always looking to expand our online services. If you have an idea for a dataset that you'd like to see, let us know by completing the form below.