Napa County Business Name Search

Search for Napa 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 Napa County community, including business services such as registering local businesses or processing applications for business licenses. Towns and City Halls in Napa 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 Napa 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 Napa 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.

American Canyon City Hall American Canyon CA 4381 Broadway Street 94503 707-647-4360

Calistoga City Hall Calistoga CA 1232 Washington Street 94515 707-942-2800

Napa City Hall Napa CA 1600 1st Street 94559 707-257-9646

Napa County City Hall American Canyon CA 300 Crawford Way 94503 707-647-4360

St Helena City Hall St. Helena CA Ste A, 1480 Main St 94574 707-967-2792

Yountville Town Hall Yountville CA 6550 Yount St 94599 707-944-8851