Contra Costa County Business Name Search

Search for Contra Costa County CA business names. A business name search can help you choose a business name, register a business, identify a trade name, trademark a business name, name an LLC, look up business owners, check if a business name is available, license a business, and more.


A Town or City Hall provides administrative services for the local Contra Costa County community, including business services such as registering local businesses or processing applications for business licenses. Towns and City Halls in Contra Costa County California may also be responsible for issuing trade names to local businesses. They may provide online access to a business name search so that people can identify Contra Costa County business names for sole proprietors, partnerships, corporations, limited partnerships, or limited liability companies. This search can also be used to identify the owner of a Contra Costa County business as well as any trademarked business names. Town and City Halls may provide an online searchable database of local business names and information.

Antioch City Hall Antioch CA 200 H Street 94509 925-779-7011

Clayton City Hall Clayton CA 6000 Heritage Trail 94517 925-673-7300

Concord City Hall Concord CA 1950 Parkside Drive 94519 925-671-3425

El Cerrito City Hall El Cerrito CA 10890 San Pablo Ave 94530 510-215-4300

Hercules City Hall Hercules CA 111 Civic Drive 94547 510-799-8200

Lafayette City Hall Lafayette CA 3675 Mount Diablo Boulevard 94549 925-284-1968

Martinez City Hall Martinez CA 525 Henrietta St 94553 925-372-3500

Oakley City Hall Oakley CA 3231 Main Street 94561 925-625-7017

Orinda City Hall Orinda CA 22 Orinda Way 94563 925-253-4220

Pinole City Hall Pinole CA 2131 Pear Street 94564 510-724-8928

Pleasant Hill City Hall Pleasant Hill CA 100 Gregory Ln 94523 925-671-5270

Richmond City Hall Richmond CA 450 Civic Center Plaza 94804 510-620-6513

San Pablo City Hall San Pablo CA 13831 San Pablo Avenue 94806 510-215-3000

Walnut Creek City Hall Walnut Creek CA 1666 North Main Street 94596 925-943-5800