General Information. To file an FBN in Contra Costa County follow these steps: 1.It is recommended for legibility that this form is completed online prior to printing. Once zoning and planning approval is secured, you may complete the online Business License application and attach the approval notice. Contra Costa County - Business License Online Application ; Select your business type ; Will your business operate inside the unincorporated areas of the county? The purpose of this division is to establish zoning regulations to allow for a variety of agritourism uses in agricultural zoning districts. Submit this business license application form together with full payment and a signed Notice of Compliance to the above address. If you're taking over a business or moving into an existing retail food facility, you also need to submit an application and get a license. CCCFM established, maintains and manages a number of certified farmers' markets in Contra Costa. County. When I started my new business, the News Register was the way to go.