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