There are always opportunities and they are there everywhere. You just have to hunt those opportunities in order to profitably invest in California real estate. Post cards, phone call, public auctions, foreclosures etc are all possible opportunities/ways of getting a good deal for California real estate investment. You could also partner with the local attorneys in the region i.e. attorneys who handle property matters in case of death, divorce, defaults etc. These people can give you good leads on California real estate investments.