Business: Cornerstone Community Bank is an independent, community-oriented, locally owned and managed bank headquartered in Red Bluff, California. The Bank's primary goal is to provide their customers, with the highest level of premier, personalized service. Cornerstone is a full service commercial and consumer banking institution that offers a full range of banking products for businesses, professional firms and individuals residing in Tehama, Shasta, Butte and Glenn Counties and the surrounding California areas.