Alameda County GIS Portal

Search for Alameda County CA GIS maps. A GIS map search can provide information like county maps, town maps, city maps, local maps, property maps, parcel maps, plat maps, public property, property tax assessments, flood zones, zoning boundaries, geographic information, historical maps, and property tax information.


Alameda County Assessor Offices are charged with determining the value of taxable property in their county or local area in order to calculate Alameda County property taxes. In addition to property values, Assessors maintain detailed county and local maps, including Geographic Information Science (GIS) maps. These Alameda County GIS maps can show public property, parks, property divisions, and roads, as well as property assessments and property taxes in Alameda County California. These maps can also include place names, bodies of water, flood zones, property zones, and other geographic information. Some Assessors may keep historic GIS maps that include historic property tax assessments. These maps may be available on the Alameda County Assessor Office website.

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


Alameda County Town and City Halls provide municipal services for their town or city, including preserving vital records and maintaining records on their jurisdiction such as Alameda County GIS maps. The GIS maps at an Alameda County Town or City Hall can include property boundaries, public property, unclaimed parcels, and roads, as well as appraisal values for properties and property tax assessments in Alameda County California. These GIS maps may also show population information, place names, zoning boundaries, bodies of water, flood zones, and other geographic information. Some Town and City Halls also have historical maps of their area. These maps are often available to the public on the Alameda County Town and City Hall website.

Alameda City Hall Alameda CA 2263 Santa Clara Avenue 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 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 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


Alameda County Clerk Offices maintain public records for a county or local government, which includes GIS maps. These maps provide detailed information on the area, including Alameda County property maps that show boundaries, public property, property divisions, and in some cases, population information in Alameda County California. They may also include property value assessments and property tax rates. Alameda County GIS maps can show place names, bodies of water, zoning information, flood zones, and other geographic information. Clerks may also have historic GIS maps from the USGS or other organizations, and these maps are often available online 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 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


Alameda County Recorders of Deeds keep real estate records to ensure the accuracy of property and land records. In addition to deeds, Recorders of Deeds also have detailed county and local maps, including Alameda County GIS maps that show property lines, building information, public property, unclaimed parcels, as well as property value assessments and property tax information. These GIS maps may also include place names, zoning boundaries, bodies of water, flood zones, and other geographic information in Alameda County California. The Recorder of Deeds may also have historic GIS maps. These maps are often available on the Alameda County Recorder of Deeds website.

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