Source: California Department of Public Health (CDPH) / county environmental health. Cottage food laws change often — confirm current rules before selling.
Two tiers: Class A (direct only) vs Class B (direct + indirect/wholesale). Caps rise annually with California CPI. Separate MEHKO (home restaurant) law exists in adopting counties.
Outgrowing cottage food? When you need a licensed kitchen, see California food-business requirements, estimate the build with the cost-to-open calculator, and check whether you need a hood.
Local food-permit cost, plan review and the health-department contact for the counties people look up most.