Overview
Alameda County GIS Data - For CAD
The Alameda County Geospatial Data Files website offers comprehensive access to a variety of geospatial (GIS) data files, which are hosted on the County’s dedicated data portal at data.acgov.org. Visitors can expect to find dynamic and regularly updated map data derived from multiple sources, though the site notes that these datasets are subject to ongoing maintenance and verification and do not constitute legal surveys. The portal provides specific “Geospatial (GIS) Data files” that support a wide range of government, planning, and public service uses. While the site cautions users regarding the accuracy and completeness of the information, it serves as a key resource for accessing detailed geographic and mapping data relevant to Alameda County’s infrastructure, land use, and community services. Additionally, users may explore related resources such as “County Maps” and can find convenient contact and support links for further assistance.
Alameda County GIS Data ->
Data Available
Download GIS Data for Alameda County
Parcels and Buildings
This image shows parcel and building data in Alameda County created using GIS data in Equator.
LiDAR
This image shows a LiDAR point cloud in Alameda County created using GIS data in Equator.
Contours
This image shows a contour map in Alameda County created using GIS data in Equator.
Formats Available
Export Your Data Ready to Use in Multiple Formats
DWG
AutoCAD Drawing - Industry-standard CAD format
Supported Data:
Contour, Parcel, Building Outline
SHP
Shapefile - Standard GIS vector format
Supported Data:
Contour, Parcel, Building Outline
DXF
Drawing Exchange Format - Universal CAD interchange
Supported Data:
Contour, Building Outline
GeoJSON
Geographic JSON - Web-friendly spatial data format
Supported Data:
Contour, Parcel, Building Outline
LAZ
Compressed LAS - Efficient LiDAR point cloud format
Supported Data:
Point Cloud
SVG
Scalable Vector Graphics - Web vector format
Supported Data:
Contour, Building Outline
GPKG
GeoPackage - Modern OGC spatial database format
Supported Data:
Contour, Parcel, Building Outline
LandXML (Coming Soon)
Land XML - Civil engineering data exchange format
Supported Data:
Point Cloud
TIN (Coming Soon)
Triangulated Irregular Network - 3D surface model
Supported Data:
Point Cloud
XYZ (Coming Soon)
XYZ Point Cloud - Simple ASCII point cloud format
Supported Data:
Point Cloud
Showcase
Sample GIS Data for Alameda County
Parcels and Buildings
Accessing Alameda County parcel and building data on Equator gives you access to coverage across the US.
LiDAR
Point clouds (LiDAR) in Alameda County can produce highly accurate 3D models of terrain, structures, and vegetation.
Contours
Contours in Alameda County visualize 3D elevations on a 2D surface allowing you to better understand your site.