Free birth control pills?

I've been wanting to get on birth control for a while now, but my parents have told me multiple times that they would take me off of their insurance if I went behind their backs and got the pill on their insurance, even though I'm 19 (they're super religious and are anti birth control). Is there anywhere that I can get the pill for free or where it won't show up on my parents insurance records? I live in California if that helps.