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Disclaimer:

The data, information, and maps provided herein are derived from various sources and are dynamic and in an ongoing state of maintenance, correction and update, and are subject to verification by the user. The mapped data depicted herein does not constitute a legal survey. The County of Alameda makes no warranty, representation or guarantee as to the content, accuracy, timeliness or completeness of any of the information implied herein. The County of Alameda explicitly disclaims any representation and warranties, including, without limitation, the implied warranties of merchantability and fitness for a particular purpose.

GIS Files Agency File Type Size Download
Assessor Property
Condominium complex parcel details Assessor dBase 8,244kb Download file
Parcel Boundaries in Alameda County Assessor Zipped ESRI Shape 105,000kb Download file
City & County Boundaries
City Limits Community Development Zipped ESRI Shape 594kb Download file
County Boundary Community Development Zipped ESRI Shape 65kb Download file
Districts
2nd Board of Equalization District within Alameda County Registrar Of Voters Zipped ESRI Shape 57kb Download file
AC Transit Districts in Alameda County Registrar Of Voters Zipped ESRI Shape 126kb Download file
Alameda County Board of Education Registrar Of Voters Zipped ESRI Shape 27kb Download file
Alameda County Emergency Medical Services Registrar Of Voters Zipped ESRI Shape 148kb Download file
Alameda County Flood Control District Registrar Of Voters Zipped ESRI Shape 263kb Download file
Alameda County Supervisorial Districts Community Development Zipped ESRI Shape 313kb Download file
Alameda County Water District Registrar Of Voters Zipped ESRI Shape 60kb Download file
Bay Area Rapid Transit (BART) District within Alameda County Registrar Of Voters Zipped ESRI Shape 183kb Download file
Byron Bethany Irrigation District within Alameda County Registrar Of Voters Zipped ESRI Shape 11kb Download file
City Council Districts within Alameda County Registrar Of Voters Zipped ESRI Shape 232kb Download file
Community College Districts within Alameda County Registrar Of Voters Zipped ESRI Shape 326kb Download file
Community Service Districts within Alameda County Registrar Of Voters Zipped ESRI Shape 143kb Download file
East Bay Municipal Utility District within Alameda County Registrar Of Voters Zipped ESRI Shape 164kb Download file
East Bay Regional Park District within Alameda County Registrar Of Voters Zipped ESRI Shape 170kb Download file
Health Care Districts within Alameda County Registrar Of Voters Zipped ESRI Shape 79kb Download file
Mountain House Elementary School District Registrar Of Voters Zipped ESRI Shape 11kb Download file
Recreation and Park Districts within Alameda County Registrar Of Voters Zipped ESRI Shape 57kb Download file
San Joaquin County Board of Education within Alameda County Registrar Of Voters Zipped ESRI Shape 11kb Download file
Sanitary Districts within Alameda County Registrar Of Voters Zipped ESRI Shape 157kb Download file
State Assembly Districts within Alameda County Registrar Of Voters Zipped ESRI Shape 243kb Download file
State Senatorial Districts within Alameda County Registrar Of Voters Zipped ESRI Shape 130kb Download file
Unified School Districts within Alameda County Registrar Of Voters Zipped ESRI Shape 429kb Download file
US Congressional Districts within Alameda County Registrar Of Voters Zipped ESRI Shape 138kb Download file
Street Baselines
Alameda County Street Centerlines   Zipped ESRI Shape 17633kb Download file
Alameda County Secondary Addresses   Zipped ESRI Shape 25749kb Download file
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