Distinction between a dinner party and a pop up restaurant
<p><strong>Background:</strong> I live in Alameda County, CA. I spent the last three years intently pursuing a cooking hobby, and believe I have gotten pretty good at it. I am interested in practicing cooking for a larger crowd. I am not interested in making a living (or any money, really) off my cooking.</p>

<p><strong>Question:</strong> Is it legal for me to throw a dinner party for, say, ten to twenty friends, even if I ask them to pay their share of the cost of the menu? Can I do this with some regularity (ie. monthly?). Do things change if I allow them to invite <em>their</em> friends, who I might not know? What scale or details would require me to apply for relevant licenses (and what are they)?</p>

<p>Most such regulations kick in at the point where it is a <em>business</em>, i.e. you are actually making money. Just like you can give a lift to a friend and split the fuel costs without needing a taxi license, you can make food for friends (however loosely defined) and split the ingredient costs without needing a restaurant license. If you charge enough that you can buy the ingredients and still have something left over then its a business and you need a license.</p>

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