Is it okay to sleep or putting up a tent for a few days on the beach in CA?

I try to spend time with a close friend in California, I can not stay in his house, so she suggested I put up a tent on the beach and spend the week sleeping. Are there laws or rules that I should know before I do, so I have no problems with fine or arrest. I do not want to pay for a hotel.

I live in Southern California, and also as I have never seen them do it. Most beaches close about 10 hours. Maybe you can find a beach camping, but they mos likely impact.

Jet Set Radio Music – Let Mom Sleep

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