Welcome to Sumner Insurance Services of California Proudly Serving the Auto Home Business & Life Insurance Needs of California Since 1991! Sumner Insurance Services is a full services California brokerage offering a full line of car insurance and homeowners insurance products, both personal and commercial lines. Our mission has always been and always will be to provide our customers with "Quality Insurance for Less." We will never sacrifice your coverage and safety for the sake of a low price. Cheap California Auto Insurance & More...