Alameda County GIS Data (California)

An Assessor Office is responsible for appraising the taxable property in an area in order to calculate property taxes in Alameda County, California. As part of this job, Alameda County Assessors maintain detailed county and local maps, including Geographic Information Science (GIS) data. These Alameda County GIS maps typically include property divisions, plots, buildings, property appraisal values, and property taxes. They may also include public property, parks, roads, place names, bodies of water, and other local geographical information, as well as flood zones, county zone lines, and school boundaries. These maps can be useful for a number of reasons, including buying and selling property. Assessors may provide online access to their Alameda County GIS data on their websites.

Alameda County Assessor's Office Oakland CA 1221 Oak Street 94612 510-272-3755


A Town or City Hall provides municipal services for their town or city, including keeping vital records and maintaining documents on their jurisdiction such as maps with GIS data in Alameda County, California. These GIS maps typically include property boundaries, real estate appraisal values, Alameda County property tax assessments, public property, and unclaimed parcels. The maps may also show place names, Alameda County zoning boundaries, bodies of water, and flood zones, as well as population and demographic information. Some Town and City Halls also maintain historical maps of their area. These maps are often available on the Town or City Hall website.

Alameda City Hall Alameda CA 2263 Santa Clara Avenue, Rm 320 94501 510-747-7400

Albany City Hall Albany CA 1000 San Pablo Avenue 94706 510-528-5710

Berkeley City Hall Berkeley CA 2180 Milvia Street 94704 510-981-2489

Dublin City Hall Dublin CA 100 Civic Plaza 94568 925-833-6600

Emeryville City Hall Emeryville CA 1333 Park Avenue 94608 510-596-4325

Hayward City Hall Hayward CA 777 B Street, # 4 94541 510-583-4000

Livermore City Hall Livermore CA 1052 South Livermore Avenue 94550 925-960-4000

Newark City Hall Newark CA 37101 Newark Boulevard 94560 510-578-4000

Oakland City Hall Oakland CA 1 Frank H Ogawa Plaza, Ste 104 94612 510-444-2489

Oaktown Town Hall Oakland CA 1960 Mandela Parkway 94607 415-794-1827

Piedmont City Hall Piedmont CA 120 Vista Avenue 94611 510-420-3040

San Leandro City Hall San Leandro CA 835 East 14th Street 94577 510-577-3200


A Building Department creates and enforces building codes and zoning regulations in order to ensure the construction of safe buildings in Alameda County, California. As part of that job, Building Departments maintain GIS data that can include Alameda County GIS maps on the topography, elevation, soil composition, and flood zones for the local area. This information can be important for adhering to building codes and meeting zoning rules. These GIS maps may also show Alameda County parcels, lots, subdivisions, and tracts of land, as well as sewers, public utilities, and other building hazards. GIS data may be available on the Building Department website.

Alameda City Planning Department Alameda CA 2263 Santa Clara Avenue, Rm 190 94501 510-747-6850

Alameda Permits Alameda CA 2263 Santa Clara Avenue 94501 510-748-4530

Albany Zoning Albany CA 1000 San Pablo Avenue 94706 510-528-5760

Berkeley Permits Berkeley CA 2120 Milvia Street 94704 510-981-7500

Berkeley Planning Department Berkeley CA 2118 Milvia Street 94704 510-981-7440

Berkeley Zoning Berkeley CA 2120 Milvia Street 94704 510-981-7410

Dublin City Building Department, Planning, Zoning and Permits Dublin CA 100 Civic Plaza 94568 925-833-6610

Fremont Building Department Fremont CA 39550 Liberty Street 94538 510-494-4460

Fremont Planning Department Livermore CA 1052 South Livermore Avenue 94550 925-960-4580

Fremont Planning Department Fremont CA 39550 Liberty Street 94538 510-494-4440

Fremont Zoning Fremont CA 39550 Liberty Street 94538 510-494-4455

Hayward Zoning Hayward CA 777 B Street 94541 510-583-4200

Livermore Permits Livermore CA 1052 South Livermore Avenue 94550 925-960-4440

Newark Building Department Newark CA 37101 Newark Boulevard 94560 510-578-4261

Oakland Permits Oakland CA 250 Frank H Ogawa Plz 94612 510-238-3606

Oakland Planning and Zoning Department Oakland CA 250 Frank H Ogawa Plaza 94612 510-238-3941

Piedmont Zoning Piedmont CA 120 Vista Avenue 94611 510-420-3050

Pleasanton City Building Department Pleasanton CA 200 Old Bernal Avenue 94566 925-931-5300

Pleasanton Zoning Pleasanton CA 200 Old Bernal Avenue 94566 925-931-5600

San Leandro Building Department and Planning San Leandro CA 835 East 14th Street 94577 510-577-3406

San Leandro Zoning San Leandro CA 835 East 14th Street 94577 510-577-3325

Union City Building Department Union CA 34009 Alvarado-Niles Road 94587 510-675-5313

A Clerk Office maintains public records for a county or local government, including GIS data in the form of maps. These GIS maps provide detailed information such as property boundaries, roads, public property, parks, and in some cases, population and demographic information. GIS data can also show Alameda County property value assessments, property taxes, flood zones, zoning boundaries, and earthquake zones, as well as place names, bodies of water, and other geographic information. Clerks may also have historic GIS maps from the USGS or other organizations. Alameda County GIS data is often accessible through the Clerk Office website.

Alameda Clerk San Leandro CA 2500 Fairmont Drive 94578 510-618-1100

Alameda County Clerk Oakland CA 1106 Madison Street 94607 510-272-6362

Albany City Clerk Albany CA 1000 San Pablo Avenue 94706 510-528-5710

California State Clerk San Leandro CA 1648 Graff Court 94577 510-553-0401

Dublin City Clerk Dublin CA 100 Civic Plaza 94568 925-833-6650

Emeryville City Clerk Emeryville CA 1333 Park Avenue 94608 510-450-7800

Fremont City Clerk Fremont CA 3300 Capitol Avenue, # A 94538 510-284-4060

Livermore City Clerk Livermore CA 1052 South Livermore Avenue 94550 925-960-4200

Newark City Clerk Newark CA 37101 Newark Boulevard 94560 510-578-4266

Oakland Clerk Oakland CA 650 4th Street 94607 510-893-4456

Union City Clerk Union CA 34009 Alvarado-Niles Road 94587 510-675-5348


An Auditor Office provides oversight for government agencies, including evaluating the performance of government offices and their compliance with laws, rules, and regulations in Alameda County, California. Auditors also investigate corruption and fraudulent activities. Auditor Offices maintain a number of records related to their local area, which can include GIS data that shows Alameda County property boundaries, city or county lines, flood zones, earthquake zones, and property taxes. These Alameda County maps may also provide place names, bodies of water, and other geographic information. Auditors may provide online access to their GIS maps.

Alameda County Auditor Oakland CA 1106 Madison Street, Ste 400 94607 510-208-9900

Berkeley City Auditor Berkeley CA 2180 Milvia Street, # 3 94704 510-981-6750

Oakland Auditor Oakland CA 1 Frank H Ogawa Plaza 94612 510-238-3378


A Recorder of Deeds keeps real estate documents to ensure the accuracy of property and land records in Alameda County, California. In addition to filing deeds that provide information on property sales and transfers, Recorders of Deeds also have detailed county and local maps, including Alameda County GIS data. These maps can include property lines, building information, unclaimed parcels, property value assessments, and property tax information. They may also show Alameda County place names, flood zones, zoning boundaries, neighborhood lines, bodies of water, and other geographic information. The Recorder of Deeds may provide access to GIS data on its website.

Alameda County Recorder of Deeds Oakland CA 1106 Madison Street 94607 510-272-6362