California Debt Blog: FAQ: Can I sue someone outside of California? March 5, 2007 by Jonathan SteinQ: I need to file in small claims court. The other person is in another state. Can I sue them? A: You could file the lawsuit, but you cannot serve the lawsuit outside of California. You should read this from the California Court website. If you want more information on small claims court, email me for my free ebook on small claims court.