It matters more where your old company is than your new one. If you work in a state that does allow non-competes and move to a new job in CA which does not, you

It matters more where your old company is than your new one. If you work in a state that does allow non-competes and move to a new job in CA which does not, your old employer can come after you in their/your old home state courts where CA law does not matter one bit.